diff --git a/edge/404.html b/edge/404.html
index ae86e576..ee4ebbe3 100644
--- a/edge/404.html
+++ b/edge/404.html
@@ -14,7 +14,7 @@
       
       
       <link rel="icon" href="/docker-mailserver/edge/assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -22,10 +22,10 @@
       
     
     
-      <link rel="stylesheet" href="/docker-mailserver/edge/assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="/docker-mailserver/edge/assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="/docker-mailserver/edge/assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="/docker-mailserver/edge/assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -55,9 +55,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("/docker-mailserver/edge",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
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@@ -735,6 +735,18 @@
   
 
           
+            
+  
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+  
+    <li class="md-nav__item">
+      <a href="/docker-mailserver/edge/config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
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+    </li>
+  
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+          
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@@ -1136,6 +1148,7 @@
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-      <script src="/docker-mailserver/edge/assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="/docker-mailserver/edge/assets/javascripts/bundle.d892486b.min.js"></script>
       
     
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diff --git a/edge/assets/javascripts/bundle.65ce87ac.min.js b/edge/assets/javascripts/bundle.65ce87ac.min.js
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diff --git a/edge/assets/javascripts/bundle.d892486b.min.js b/edge/assets/javascripts/bundle.d892486b.min.js
new file mode 100644
index 00000000..a7d26398
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Ht(ye(`${r}/releases/latest`).pipe(p(n=>({version:n.tag_name})),ze({})),ye(r).pipe(p(n=>({stars:n.stargazers_count,forks:n.forks_count})),ze({}))).pipe(p(([n,o])=>$($({},n),o)))}else{let r=`https://api.github.com/repos/${e}`;return ye(r).pipe(p(n=>({repositories:n.public_repos})),ze({}))}}function di(e,t){let r=`https://${e}/api/v4/projects/${encodeURIComponent(t)}`;return ye(r).pipe(p(({star_count:n,forks_count:o})=>({stars:n,forks:o})),ze({}))}function hi(e){let[t]=e.match(/(git(?:hub|lab))/i)||[];switch(t.toLowerCase()){case"github":let[,r,n]=e.match(/^.+github\.com\/([^/]+)\/?([^/]+)?/i);return mi(r,n);case"gitlab":let[,o,i]=e.match(/^.+?([^/]*gitlab[^/]+)\/(.+?)\/?$/i);return di(o,i);default:return ee}}var Fa;function Ia(e){return Fa||(Fa=Te(()=>{let t=sessionStorage.getItem(__prefix("__source"));if(t)return F(JSON.parse(t));{let r=hi(e.href);return r.subscribe(n=>{try{sessionStorage.setItem(__prefix("__source"),JSON.stringify(n))}catch(o){}}),r}}).pipe(rt(()=>ee),L(t=>Object.keys(t).length>0),p(t=>({facts:t})),re(1)))}function bi(e){let t=new _;return t.subscribe(({facts:r})=>{Fo(e,Do(r)),Io(e,"done")}),Ia(e).pipe(k(t),V(()=>t.complete()),p(r=>$({ref:e},r)))}function Ra(e,{viewport$:t,header$:r}){return He(document.body).pipe(E(()=>Rt(e,{header$:r,viewport$:t})),p(({offset:{y:n}})=>({hidden:n>=10})),N("hidden"))}function vi(e,t){let r=new _;return r.pipe(Y(J)).subscribe({next({hidden:n}){n?Ro(e,"hidden"):fr(e)},complete(){fr(e)}}),Ra(e,t).pipe(k(r),V(()=>r.complete()),p(n=>$({ref:e},n)))}function Pa(e,{viewport$:t,header$:r}){let n=new Map;for(let a of e){let s=decodeURIComponent(a.hash.substring(1)),c=ae(`[id="${s}"]`);typeof c!="undefined"&&n.set(a,c)}let o=r.pipe(p(a=>24+a.height));return He(document.body).pipe(N("height"),p(()=>{let a=[];return[...n].reduce((s,[c,u])=>{for(;a.length&&n.get(a[a.length-1]).tagName>=u.tagName;)a.pop();let l=u.offsetTop;for(;!l&&u.parentElement;)u=u.parentElement,l=u.offsetTop;return s.set([...a=[...a,c]].reverse(),l)},new Map)}),p(a=>new Map([...a].sort(([,s],[,c])=>s-c))),E(a=>B([o,t]).pipe(Hn(([s,c],[u,{offset:{y:l}}])=>{for(;c.length;){let[,m]=c[0];if(m-u<l)s=[...s,c.shift()];else break}for(;s.length;){let[,m]=s[s.length-1];if(m-u>=l)c=[s.pop(),...c];else break}return[s,c]},[[],[...a]]),Q((s,c)=>s[0]===c[0]&&s[1]===c[1])))).pipe(p(([a,s])=>({prev:a.map(([c])=>c),next:s.map(([c])=>c)})),D({prev:[],next:[]}),ve(2,1),p(([a,s])=>a.prev.length<s.prev.length?{prev:s.prev.slice(Math.max(0,a.prev.length-1),s.prev.length),next:[]}:{prev:s.prev.slice(-1),next:s.next.slice(0,s.next.length-a.next.length)}))}function gi(e,t){let r=new _;r.pipe(Y(J)).subscribe(({prev:o,next:i})=>{for(let[a]of i)mo(a),fo(a);for(let[a,[s]]of o.entries())po(s,a===o.length-1),lo(s,"blur")});let n=q("[href^=\\#]",e);return Pa(n,t).pipe(k(r),V(()=>r.complete()),p(o=>$({ref:e},o)))}function $a(e,{viewport$:t,main$:r}){let n=t.pipe(p(({offset:{y:i}})=>i),ve(2,1),p(([i,a])=>i>a),Q()),o=r.pipe(N("active"));return B([o,n]).pipe(p(([{active:i},a])=>({hidden:!(i&&a)})),Q((i,a)=>i.hidden===a.hidden))}function yi(e,t){let r=new _;return r.pipe(Y(J)).subscribe({next({hidden:n}){n?Po(e,"hidden"):pr(e)},complete(){pr(e)}}),$a(e,t).pipe(k(r),V(()=>r.complete()),p(n=>$({ref:e},n)))}function xi({document$:e,tablet$:t}){e.pipe(E(()=>F(...q("[data-md-state=indeterminate]"))),k(r=>{r.indeterminate=!0,r.checked=!1}),te(r=>O(r,"change").pipe(Fn(()=>r.hasAttribute("data-md-state")),ne(r))),ge(t)).subscribe(([r,n])=>{r.removeAttribute("data-md-state"),n&&(r.checked=!1)})}function Va(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}function Si({document$:e}){e.pipe(E(()=>F(...q("[data-md-scrollfix]"))),k(t=>t.removeAttribute("data-md-scrollfix")),L(Va),te(t=>O(t,"touchstart").pipe(ne(t)))).subscribe(t=>{let r=t.scrollTop;r===0?t.scrollTop=1:r+t.offsetHeight===t.scrollHeight&&(t.scrollTop=r-1)})}function wi({viewport$:e,tablet$:t}){B([Ft("search"),t]).pipe(p(([r,n])=>r&&!n),E(r=>F(r).pipe(Me(r?400:100),Y(J))),ge(e)).subscribe(([r,{offset:{y:n}}])=>{r?co(document.body,n):uo(document.body)})}document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var Je=$n(),br=Jn(),vr=Gn(),gr=Qn(),le=oo(),Dt=qe("(min-width: 960px)"),Ei=qe("(min-width: 1220px)"),Oi=Xn(),Ti=se(),Da=document.forms.namedItem("search")?(__search==null?void 0:__search.index)||ye(`${Ti.base}/search/search_index.json`):ee,yr=new _;ti({alert$:yr});Pt("navigation.instant")&&ri({document$:Je,location$:br,viewport$:le});var _i;((_i=Ti.version)==null?void 0:_i.provider)==="mike"&&ui();R(br,vr).pipe(Me(125)).subscribe(()=>{Fe("drawer",!1),Fe("search",!1)});gr.pipe(L(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=ae("[href][rel=prev]");typeof t!="undefined"&&t.click();break;case"n":case".":let r=ae("[href][rel=next]");typeof r!="undefined"&&r.click();break}});xi({document$:Je,tablet$:Dt});Si({document$:Je});wi({viewport$:le,tablet$:Dt});var Re=Bo(Ce("header"),{viewport$:le}),Ut=Je.pipe(p(()=>Ce("main")),E(e=>Zo(e,{viewport$:le,header$:Re})),re(1)),Ua=R(...me("dialog").map(e=>Yo(e,{alert$:yr})),...me("header").map(e=>Go(e,{viewport$:le,header$:Re,main$:Ut})),...me("palette").map(e=>ei(e)),...me("search").map(e=>pi(e,{index$:Da,keyboard$:gr})),...me("source").map(e=>bi(e))),Na=Te(()=>R(...me("content").map(e=>Jo(e,{target$:vr,viewport$:le,print$:Oi})),...me("header-title").map(e=>Xo(e,{viewport$:le,header$:Re})),...me("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?sr(Ei,()=>hr(e,{viewport$:le,header$:Re,main$:Ut})):sr(Dt,()=>hr(e,{viewport$:le,header$:Re,main$:Ut}))),...me("tabs").map(e=>vi(e,{viewport$:le,header$:Re})),...me("toc").map(e=>gi(e,{viewport$:le,header$:Re})),...me("top").map(e=>yi(e,{viewport$:le,main$:Ut})))),Mi=Je.pipe(E(()=>Na),Ct(Ua),re(1));Mi.subscribe();window.document$=Je;window.location$=br;window.target$=vr;window.keyboard$=gr;window.viewport$=le;window.tablet$=Dt;window.screen$=Ei;window.print$=Oi;window.alert$=yr;window.component$=Mi;})();
+/*!
+ * clipboard.js v2.0.8
+ * https://clipboardjs.com/
+ *
+ * Licensed MIT © Zeno Rocha
+ */
+/*!
+ * escape-html
+ * Copyright(c) 2012-2013 TJ Holowaychuk
+ * Copyright(c) 2015 Andreas Lubbe
+ * Copyright(c) 2015 Tiancheng "Timothy" Gu
+ * MIT Licensed
+ */
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** */
+//# sourceMappingURL=bundle.d892486b.min.js.map
+
diff --git a/edge/assets/javascripts/bundle.65ce87ac.min.js.map b/edge/assets/javascripts/bundle.d892486b.min.js.map
similarity index 52%
rename from edge/assets/javascripts/bundle.65ce87ac.min.js.map
rename to edge/assets/javascripts/bundle.d892486b.min.js.map
index 1dacf94b..e57c79da 100644
--- a/edge/assets/javascripts/bundle.65ce87ac.min.js.map
+++ b/edge/assets/javascripts/bundle.d892486b.min.js.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
-  "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/tslib/tslib.js", "node_modules/clipboard/dist/clipboard.js", "node_modules/escape-html/index.js", "src/assets/javascripts/bundle.ts", "node_modules/tslib/modules/index.js", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", "node_modules/rxjs/src/internal/util/pipe.ts", "node_modules/rxjs/src/internal/Observable.ts", "node_modules/rxjs/src/internal/util/lift.ts", "node_modules/rxjs/src/internal/operators/OperatorSubscriber.ts", "node_modules/rxjs/src/internal/scheduler/animationFrameProvider.ts", "node_modules/rxjs/src/internal/util/ObjectUnsubscribedError.ts", "node_modules/rxjs/src/internal/Subject.ts", "node_modules/rxjs/src/internal/scheduler/dateTimestampProvider.ts", "node_modules/rxjs/src/internal/ReplaySubject.ts", "node_modules/rxjs/src/internal/scheduler/Action.ts", "node_modules/rxjs/src/internal/scheduler/intervalProvider.ts", "node_modules/rxjs/src/internal/scheduler/AsyncAction.ts", "node_modules/rxjs/src/internal/Scheduler.ts", "node_modules/rxjs/src/internal/scheduler/AsyncScheduler.ts", "node_modules/rxjs/src/internal/scheduler/async.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameAction.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameScheduler.ts", "node_modules/rxjs/src/internal/scheduler/animationFrame.ts", "node_modules/rxjs/src/internal/observable/empty.ts", "node_modules/rxjs/src/internal/scheduled/scheduleArray.ts", "node_modules/rxjs/src/internal/util/isArrayLike.ts", "node_modules/rxjs/src/internal/util/isPromise.ts", "node_modules/rxjs/src/internal/scheduled/scheduleObservable.ts", "node_modules/rxjs/src/internal/scheduled/schedulePromise.ts", "node_modules/rxjs/src/internal/symbol/iterator.ts", "node_modules/rxjs/src/internal/util/caughtSchedule.ts", "node_modules/rxjs/src/internal/scheduled/scheduleIterable.ts", "node_modules/rxjs/src/internal/util/isInteropObservable.ts", "node_modules/rxjs/src/internal/util/isIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleAsyncIterable.ts", "node_modules/rxjs/src/internal/util/isAsyncIterable.ts", "node_modules/rxjs/src/internal/util/throwUnobservableError.ts", "node_modules/rxjs/src/internal/scheduled/scheduled.ts", "node_modules/rxjs/src/internal/observable/from.ts", "node_modules/rxjs/src/internal/observable/fromArray.ts", "node_modules/rxjs/src/internal/util/isScheduler.ts", "node_modules/rxjs/src/internal/util/args.ts", "node_modules/rxjs/src/internal/observable/of.ts", "node_modules/rxjs/src/internal/util/isDate.ts", "node_modules/rxjs/src/internal/operators/map.ts", "node_modules/rxjs/src/internal/util/mapOneOrManyArgs.ts", "node_modules/rxjs/src/internal/operators/observeOn.ts", "node_modules/rxjs/src/internal/util/argsArgArrayOrObject.ts", "node_modules/rxjs/src/internal/util/createObject.ts", "node_modules/rxjs/src/internal/observable/combineLatest.ts", "node_modules/rxjs/src/internal/operators/mergeInternals.ts", "node_modules/rxjs/src/internal/operators/mergeMap.ts", "node_modules/rxjs/src/internal/operators/mergeAll.ts", "node_modules/rxjs/src/internal/operators/concatAll.ts", "node_modules/rxjs/src/internal/observable/concat.ts", "node_modules/rxjs/src/internal/observable/defer.ts", "node_modules/rxjs/src/internal/observable/fromEvent.ts", "node_modules/rxjs/src/internal/observable/timer.ts", "node_modules/rxjs/src/internal/util/argsOrArgArray.ts", "node_modules/rxjs/src/internal/observable/merge.ts", "node_modules/rxjs/src/internal/observable/never.ts", "node_modules/rxjs/src/internal/operators/filter.ts", "node_modules/rxjs/src/internal/observable/zip.ts", "node_modules/rxjs/src/internal/operators/bufferCount.ts", "node_modules/rxjs/src/internal/operators/catchError.ts", "node_modules/rxjs/src/internal/operators/scanInternals.ts", "node_modules/rxjs/src/internal/operators/combineLatest.ts", "node_modules/rxjs/src/internal/operators/combineLatestWith.ts", "node_modules/rxjs/src/internal/operators/concatMap.ts", "node_modules/rxjs/src/internal/operators/debounceTime.ts", "node_modules/rxjs/src/internal/operators/defaultIfEmpty.ts", "node_modules/rxjs/src/internal/operators/take.ts", "node_modules/rxjs/src/internal/operators/ignoreElements.ts", "node_modules/rxjs/src/internal/operators/mapTo.ts", "node_modules/rxjs/src/internal/operators/delayWhen.ts", "node_modules/rxjs/src/internal/operators/delay.ts", "node_modules/rxjs/src/internal/operators/distinctUntilChanged.ts", "node_modules/rxjs/src/internal/operators/distinctUntilKeyChanged.ts", "node_modules/rxjs/src/internal/operators/finalize.ts", "node_modules/rxjs/src/internal/operators/takeLast.ts", "node_modules/rxjs/src/internal/operators/merge.ts", "node_modules/rxjs/src/internal/operators/mergeWith.ts", "node_modules/rxjs/src/internal/operators/sample.ts", "node_modules/rxjs/src/internal/operators/scan.ts", "node_modules/rxjs/src/internal/operators/share.ts", "node_modules/rxjs/src/internal/operators/shareReplay.ts", "node_modules/rxjs/src/internal/operators/skip.ts", "node_modules/rxjs/src/internal/operators/skipUntil.ts", "node_modules/rxjs/src/internal/operators/startWith.ts", "node_modules/rxjs/src/internal/operators/switchMap.ts", "node_modules/rxjs/src/internal/operators/switchMapTo.ts", "node_modules/rxjs/src/internal/operators/takeUntil.ts", "node_modules/rxjs/src/internal/operators/takeWhile.ts", "node_modules/rxjs/src/internal/operators/tap.ts", "node_modules/rxjs/src/internal/operators/throttle.ts", "node_modules/rxjs/src/internal/operators/withLatestFrom.ts", "node_modules/rxjs/src/internal/operators/zip.ts", "node_modules/rxjs/src/internal/operators/zipWith.ts", "src/assets/javascripts/browser/document/index.ts", "src/assets/javascripts/browser/element/_/index.ts", "src/assets/javascripts/browser/element/focus/index.ts", "src/assets/javascripts/browser/element/size/index.ts", "src/assets/javascripts/browser/element/offset/index.ts", "src/assets/javascripts/browser/element/selection/index.ts", "src/assets/javascripts/browser/toggle/index.ts", "src/assets/javascripts/browser/keyboard/index.ts", "src/assets/javascripts/browser/location/_/index.ts", "src/assets/javascripts/browser/location/hash/index.ts", "src/assets/javascripts/browser/media/index.ts", "src/assets/javascripts/browser/request/index.ts", "src/assets/javascripts/browser/viewport/offset/index.ts", "src/assets/javascripts/browser/viewport/size/index.ts", "src/assets/javascripts/browser/viewport/_/index.ts", "src/assets/javascripts/browser/worker/index.ts", "src/assets/javascripts/_/index.ts", "src/assets/javascripts/components/_/index.ts", "src/assets/javascripts/components/content/code/index.ts", "src/assets/javascripts/actions/_/index.ts", "src/assets/javascripts/actions/anchor/index.ts", "src/assets/javascripts/actions/dialog/index.ts", "src/assets/javascripts/actions/header/_/index.ts", "src/assets/javascripts/actions/header/title/index.ts", "src/assets/javascripts/actions/search/query/index.ts", "src/assets/javascripts/utilities/h/index.ts", "src/assets/javascripts/utilities/string/index.ts", "src/assets/javascripts/actions/search/result/index.ts", "src/assets/javascripts/actions/sidebar/index.ts", "src/assets/javascripts/actions/source/index.ts", "src/assets/javascripts/actions/tabs/index.ts", "src/assets/javascripts/templates/clipboard/index.tsx", "src/assets/javascripts/templates/search/index.tsx", "src/assets/javascripts/templates/source/index.tsx", "src/assets/javascripts/templates/table/index.tsx", "src/assets/javascripts/templates/version/index.tsx", "src/assets/javascripts/components/content/details/index.ts", "src/assets/javascripts/components/content/table/index.ts", "src/assets/javascripts/components/content/_/index.ts", "src/assets/javascripts/components/dialog/index.ts", "src/assets/javascripts/components/header/_/index.ts", "src/assets/javascripts/components/header/title/index.ts", "src/assets/javascripts/components/main/index.ts", "src/assets/javascripts/integrations/clipboard/index.ts", "src/assets/javascripts/integrations/instant/index.ts", "src/assets/javascripts/integrations/search/document/index.ts", "src/assets/javascripts/integrations/search/query/transform/index.ts", "src/assets/javascripts/integrations/search/worker/message/index.ts", "src/assets/javascripts/integrations/search/worker/_/index.ts", "src/assets/javascripts/integrations/version/index.ts", "src/assets/javascripts/components/search/query/index.ts", "src/assets/javascripts/components/search/result/index.ts", "src/assets/javascripts/components/search/_/index.ts", "src/assets/javascripts/components/sidebar/index.ts", "src/assets/javascripts/components/source/facts/github/index.ts", "src/assets/javascripts/components/source/facts/gitlab/index.ts", "src/assets/javascripts/components/source/facts/_/index.ts", "src/assets/javascripts/components/source/_/index.ts", "src/assets/javascripts/components/tabs/index.ts", "src/assets/javascripts/components/toc/index.ts", "src/assets/javascripts/patches/indeterminate/index.ts", "src/assets/javascripts/patches/scrollfix/index.ts", "src/assets/javascripts/patches/scrolllock/index.ts"],
-  "sourcesContent": ["(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (factory());\n}(this, (function () { 'use strict';\n\n  /**\n   * Applies the :focus-visible polyfill at the given scope.\n   * A scope in this case is either the top-level Document or a Shadow Root.\n   *\n   * @param {(Document|ShadowRoot)} scope\n   * @see https://github.com/WICG/focus-visible\n   */\n  function applyFocusVisiblePolyfill(scope) {\n    var hadKeyboardEvent = true;\n    var hadFocusVisibleRecently = false;\n    var hadFocusVisibleRecentlyTimeout = null;\n\n    var inputTypesAllowlist = {\n      text: true,\n      search: true,\n      url: true,\n      tel: true,\n      email: true,\n      password: true,\n      number: true,\n      date: true,\n      month: true,\n      week: true,\n      time: true,\n      datetime: true,\n      'datetime-local': true\n    };\n\n    /**\n     * Helper function for legacy browsers and iframes which sometimes focus\n     * elements like document, body, and non-interactive SVG.\n     * @param {Element} el\n     */\n    function isValidFocusTarget(el) {\n      if (\n        el &&\n        el !== document &&\n        el.nodeName !== 'HTML' &&\n        el.nodeName !== 'BODY' &&\n        'classList' in el &&\n        'contains' in el.classList\n      ) {\n        return true;\n      }\n      return false;\n    }\n\n    /**\n     * Computes whether the given element should automatically trigger the\n     * `focus-visible` class being added, i.e. whether it should always match\n     * `:focus-visible` when focused.\n     * @param {Element} el\n     * @return {boolean}\n     */\n    function focusTriggersKeyboardModality(el) {\n      var type = el.type;\n      var tagName = el.tagName;\n\n      if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n        return true;\n      }\n\n      if (tagName === 'TEXTAREA' && !el.readOnly) {\n        return true;\n      }\n\n      if (el.isContentEditable) {\n        return true;\n      }\n\n      return false;\n    }\n\n    /**\n     * Add the `focus-visible` class to the given element if it was not added by\n     * the author.\n     * @param {Element} el\n     */\n    function addFocusVisibleClass(el) {\n      if (el.classList.contains('focus-visible')) {\n        return;\n      }\n      el.classList.add('focus-visible');\n      el.setAttribute('data-focus-visible-added', '');\n    }\n\n    /**\n     * Remove the `focus-visible` class from the given element if it was not\n     * originally added by the author.\n     * @param {Element} el\n     */\n    function removeFocusVisibleClass(el) {\n      if (!el.hasAttribute('data-focus-visible-added')) {\n        return;\n      }\n      el.classList.remove('focus-visible');\n      el.removeAttribute('data-focus-visible-added');\n    }\n\n    /**\n     * If the most recent user interaction was via the keyboard;\n     * and the key press did not include a meta, alt/option, or control key;\n     * then the modality is keyboard. Otherwise, the modality is not keyboard.\n     * Apply `focus-visible` to any current active element and keep track\n     * of our keyboard modality state with `hadKeyboardEvent`.\n     * @param {KeyboardEvent} e\n     */\n    function onKeyDown(e) {\n      if (e.metaKey || e.altKey || e.ctrlKey) {\n        return;\n      }\n\n      if (isValidFocusTarget(scope.activeElement)) {\n        addFocusVisibleClass(scope.activeElement);\n      }\n\n      hadKeyboardEvent = true;\n    }\n\n    /**\n     * If at any point a user clicks with a pointing device, ensure that we change\n     * the modality away from keyboard.\n     * This avoids the situation where a user presses a key on an already focused\n     * element, and then clicks on a different element, focusing it with a\n     * pointing device, while we still think we're in keyboard modality.\n     * @param {Event} e\n     */\n    function onPointerDown(e) {\n      hadKeyboardEvent = false;\n    }\n\n    /**\n     * On `focus`, add the `focus-visible` class to the target if:\n     * - the target received focus as a result of keyboard navigation, or\n     * - the event target is an element that will likely require interaction\n     *   via the keyboard (e.g. a text box)\n     * @param {Event} e\n     */\n    function onFocus(e) {\n      // Prevent IE from focusing the document or HTML element.\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n        addFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * On `blur`, remove the `focus-visible` class from the target.\n     * @param {Event} e\n     */\n    function onBlur(e) {\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (\n        e.target.classList.contains('focus-visible') ||\n        e.target.hasAttribute('data-focus-visible-added')\n      ) {\n        // To detect a tab/window switch, we look for a blur event followed\n        // rapidly by a visibility change.\n        // If we don't see a visibility change within 100ms, it's probably a\n        // regular focus change.\n        hadFocusVisibleRecently = true;\n        window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n        hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n          hadFocusVisibleRecently = false;\n        }, 100);\n        removeFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * If the user changes tabs, keep track of whether or not the previously\n     * focused element had .focus-visible.\n     * @param {Event} e\n     */\n    function onVisibilityChange(e) {\n      if (document.visibilityState === 'hidden') {\n        // If the tab becomes active again, the browser will handle calling focus\n        // on the element (Safari actually calls it twice).\n        // If this tab change caused a blur on an element with focus-visible,\n        // re-apply the class when the user switches back to the tab.\n        if (hadFocusVisibleRecently) {\n          hadKeyboardEvent = true;\n        }\n        addInitialPointerMoveListeners();\n      }\n    }\n\n    /**\n     * Add a group of listeners to detect usage of any pointing devices.\n     * These listeners will be added when the polyfill first loads, and anytime\n     * the window is blurred, so that they are active when the window regains\n     * focus.\n     */\n    function addInitialPointerMoveListeners() {\n      document.addEventListener('mousemove', onInitialPointerMove);\n      document.addEventListener('mousedown', onInitialPointerMove);\n      document.addEventListener('mouseup', onInitialPointerMove);\n      document.addEventListener('pointermove', onInitialPointerMove);\n      document.addEventListener('pointerdown', onInitialPointerMove);\n      document.addEventListener('pointerup', onInitialPointerMove);\n      document.addEventListener('touchmove', onInitialPointerMove);\n      document.addEventListener('touchstart', onInitialPointerMove);\n      document.addEventListener('touchend', onInitialPointerMove);\n    }\n\n    function removeInitialPointerMoveListeners() {\n      document.removeEventListener('mousemove', onInitialPointerMove);\n      document.removeEventListener('mousedown', onInitialPointerMove);\n      document.removeEventListener('mouseup', onInitialPointerMove);\n      document.removeEventListener('pointermove', onInitialPointerMove);\n      document.removeEventListener('pointerdown', onInitialPointerMove);\n      document.removeEventListener('pointerup', onInitialPointerMove);\n      document.removeEventListener('touchmove', onInitialPointerMove);\n      document.removeEventListener('touchstart', onInitialPointerMove);\n      document.removeEventListener('touchend', onInitialPointerMove);\n    }\n\n    /**\n     * When the polfyill first loads, assume the user is in keyboard modality.\n     * If any event is received from a pointing device (e.g. mouse, pointer,\n     * touch), turn off keyboard modality.\n     * This accounts for situations where focus enters the page from the URL bar.\n     * @param {Event} e\n     */\n    function onInitialPointerMove(e) {\n      // Work around a Safari quirk that fires a mousemove on <html> whenever the\n      // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n      if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n        return;\n      }\n\n      hadKeyboardEvent = false;\n      removeInitialPointerMoveListeners();\n    }\n\n    // For some kinds of state, we are interested in changes at the global scope\n    // only. For example, global pointer input, global key presses and global\n    // visibility change should affect the state at every scope:\n    document.addEventListener('keydown', onKeyDown, true);\n    document.addEventListener('mousedown', onPointerDown, true);\n    document.addEventListener('pointerdown', onPointerDown, true);\n    document.addEventListener('touchstart', onPointerDown, true);\n    document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n    addInitialPointerMoveListeners();\n\n    // For focus and blur, we specifically care about state changes in the local\n    // scope. This is because focus / blur events that originate from within a\n    // shadow root are not re-dispatched from the host element if it was already\n    // the active element in its own scope:\n    scope.addEventListener('focus', onFocus, true);\n    scope.addEventListener('blur', onBlur, true);\n\n    // We detect that a node is a ShadowRoot by ensuring that it is a\n    // DocumentFragment and also has a host property. This check covers native\n    // implementation and polyfill implementation transparently. If we only cared\n    // about the native implementation, we could just check if the scope was\n    // an instance of a ShadowRoot.\n    if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n      // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n      // have a root element to add a class to. 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\"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\n\n/**\n * Inner class which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n */\n\nvar ClipboardAction = /*#__PURE__*/function () {\n  /**\n   * @param {Object} options\n   */\n  function ClipboardAction(options) {\n    _classCallCheck(this, ClipboardAction);\n\n    this.resolveOptions(options);\n    this.initSelection();\n  }\n  /**\n   * Defines base properties passed from constructor.\n   * @param {Object} options\n   */\n\n\n  _createClass(ClipboardAction, [{\n    key: \"resolveOptions\",\n    value: function resolveOptions() {\n      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n      this.action = options.action;\n      this.container = options.container;\n      this.emitter = options.emitter;\n      this.target = options.target;\n      this.text = options.text;\n      this.trigger = options.trigger;\n      this.selectedText = '';\n    }\n    /**\n     * Decides which selection strategy is going to be applied based\n     * on the existence of `text` and `target` properties.\n     */\n\n  }, {\n    key: \"initSelection\",\n    value: function initSelection() {\n      if (this.text) {\n        this.selectFake();\n      } else if (this.target) {\n        this.selectTarget();\n      }\n    }\n    /**\n     * Creates a fake textarea element, sets its value from `text` property,\n     */\n\n  }, {\n    key: \"createFakeElement\",\n    value: function createFakeElement() {\n      var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n      this.fakeElem = document.createElement('textarea'); // Prevent zooming on iOS\n\n      this.fakeElem.style.fontSize = '12pt'; // Reset box model\n\n      this.fakeElem.style.border = '0';\n      this.fakeElem.style.padding = '0';\n      this.fakeElem.style.margin = '0'; // Move element out of screen horizontally\n\n      this.fakeElem.style.position = 'absolute';\n      this.fakeElem.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n      var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n      this.fakeElem.style.top = \"\".concat(yPosition, \"px\");\n      this.fakeElem.setAttribute('readonly', '');\n      this.fakeElem.value = this.text;\n      return this.fakeElem;\n    }\n    /**\n     * Get's the value of fakeElem,\n     * and makes a selection on it.\n     */\n\n  }, {\n    key: \"selectFake\",\n    value: function selectFake() {\n      var _this = this;\n\n      var fakeElem = this.createFakeElement();\n\n      this.fakeHandlerCallback = function () {\n        return _this.removeFake();\n      };\n\n      this.fakeHandler = this.container.addEventListener('click', this.fakeHandlerCallback) || true;\n      this.container.appendChild(fakeElem);\n      this.selectedText = select_default()(fakeElem);\n      this.copyText();\n      this.removeFake();\n    }\n    /**\n     * Only removes the fake element after another click event, that way\n     * a user can hit `Ctrl+C` to copy because selection still exists.\n     */\n\n  }, {\n    key: \"removeFake\",\n    value: function removeFake() {\n      if (this.fakeHandler) {\n        this.container.removeEventListener('click', this.fakeHandlerCallback);\n        this.fakeHandler = null;\n        this.fakeHandlerCallback = null;\n      }\n\n      if (this.fakeElem) {\n        this.container.removeChild(this.fakeElem);\n        this.fakeElem = null;\n      }\n    }\n    /**\n     * Selects the content from element passed on `target` property.\n     */\n\n  }, {\n    key: \"selectTarget\",\n    value: function selectTarget() {\n      this.selectedText = select_default()(this.target);\n      this.copyText();\n    }\n    /**\n     * Executes the copy operation based on the current selection.\n     */\n\n  }, {\n    key: \"copyText\",\n    value: function copyText() {\n      var succeeded;\n\n      try {\n        succeeded = document.execCommand(this.action);\n      } catch (err) {\n        succeeded = false;\n      }\n\n      this.handleResult(succeeded);\n    }\n    /**\n     * Fires an event based on the copy operation result.\n     * @param {Boolean} succeeded\n     */\n\n  }, {\n    key: \"handleResult\",\n    value: function handleResult(succeeded) {\n      this.emitter.emit(succeeded ? 'success' : 'error', {\n        action: this.action,\n        text: this.selectedText,\n        trigger: this.trigger,\n        clearSelection: this.clearSelection.bind(this)\n      });\n    }\n    /**\n     * Moves focus away from `target` and back to the trigger, removes current selection.\n     */\n\n  }, {\n    key: \"clearSelection\",\n    value: function clearSelection() {\n      if (this.trigger) {\n        this.trigger.focus();\n      }\n\n      document.activeElement.blur();\n      window.getSelection().removeAllRanges();\n    }\n    /**\n     * Sets the `action` to be performed which can be either 'copy' or 'cut'.\n     * @param {String} action\n     */\n\n  }, {\n    key: \"destroy\",\n\n    /**\n     * Destroy lifecycle.\n     */\n    value: function destroy() {\n      this.removeFake();\n    }\n  }, {\n    key: \"action\",\n    set: function set() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';\n      this._action = action;\n\n      if (this._action !== 'copy' && this._action !== 'cut') {\n        throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n      }\n    }\n    /**\n     * Gets the `action` property.\n     * @return {String}\n     */\n    ,\n    get: function get() {\n      return this._action;\n    }\n    /**\n     * Sets the `target` property using an element\n     * that will be have its content copied.\n     * @param {Element} target\n     */\n\n  }, {\n    key: \"target\",\n    set: function set(target) {\n      if (target !== undefined) {\n        if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n          if (this.action === 'copy' && target.hasAttribute('disabled')) {\n            throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n          }\n\n          if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n            throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n          }\n\n          this._target = target;\n        } else {\n          throw new Error('Invalid \"target\" value, use a valid Element');\n        }\n      }\n    }\n    /**\n     * Gets the `target` property.\n     * @return {String|HTMLElement}\n     */\n    ,\n    get: function get() {\n      return this._target;\n    }\n  }]);\n\n  return ClipboardAction;\n}();\n\n/* harmony default export */ var clipboard_action = (ClipboardAction);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction clipboard_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction clipboard_createClass(Constructor, protoProps, staticProps) { if (protoProps) clipboard_defineProperties(Constructor.prototype, protoProps); if (staticProps) clipboard_defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n  var attribute = \"data-clipboard-\".concat(suffix);\n\n  if (!element.hasAttribute(attribute)) {\n    return;\n  }\n\n  return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n  _inherits(Clipboard, _Emitter);\n\n  var _super = _createSuper(Clipboard);\n\n  /**\n   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n   * @param {Object} options\n   */\n  function Clipboard(trigger, options) {\n    var _this;\n\n    clipboard_classCallCheck(this, Clipboard);\n\n    _this = _super.call(this);\n\n    _this.resolveOptions(options);\n\n    _this.listenClick(trigger);\n\n    return _this;\n  }\n  /**\n   * Defines if attributes would be resolved using internal setter functions\n   * or custom functions that were passed in the constructor.\n   * @param {Object} options\n   */\n\n\n  clipboard_createClass(Clipboard, [{\n    key: \"resolveOptions\",\n    value: function resolveOptions() {\n      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n      this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n    }\n    /**\n     * Adds a click event listener to the passed trigger.\n     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n     */\n\n  }, {\n    key: \"listenClick\",\n    value: function listenClick(trigger) {\n      var _this2 = this;\n\n      this.listener = listen_default()(trigger, 'click', function (e) {\n        return _this2.onClick(e);\n      });\n    }\n    /**\n     * Defines a new `ClipboardAction` on each click event.\n     * @param {Event} e\n     */\n\n  }, {\n    key: \"onClick\",\n    value: function onClick(e) {\n      var trigger = e.delegateTarget || e.currentTarget;\n\n      if (this.clipboardAction) {\n        this.clipboardAction = null;\n      }\n\n      this.clipboardAction = new clipboard_action({\n        action: this.action(trigger),\n        target: this.target(trigger),\n        text: this.text(trigger),\n        container: this.container,\n        trigger: trigger,\n        emitter: this\n      });\n    }\n    /**\n     * Default `action` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultAction\",\n    value: function defaultAction(trigger) {\n      return getAttributeValue('action', trigger);\n    }\n    /**\n     * Default `target` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultTarget\",\n    value: function defaultTarget(trigger) {\n      var selector = getAttributeValue('target', trigger);\n\n      if (selector) {\n        return document.querySelector(selector);\n      }\n    }\n    /**\n     * Returns the support of the given action, or all actions if no action is\n     * given.\n     * @param {String} [action]\n     */\n\n  }, {\n    key: \"defaultText\",\n\n    /**\n     * Default `text` lookup function.\n     * @param {Element} trigger\n     */\n    value: function defaultText(trigger) {\n      return getAttributeValue('text', trigger);\n    }\n    /**\n     * Destroy lifecycle.\n     */\n\n  }, {\n    key: \"destroy\",\n    value: function destroy() {\n      this.listener.destroy();\n\n      if (this.clipboardAction) {\n        this.clipboardAction.destroy();\n        this.clipboardAction = null;\n      }\n    }\n  }], [{\n    key: \"isSupported\",\n    value: function isSupported() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n      var actions = typeof action === 'string' ? [action] : action;\n      var support = !!document.queryCommandSupported;\n      actions.forEach(function (action) {\n        support = support && !!document.queryCommandSupported(action);\n      });\n      return support;\n    }\n  }]);\n\n  return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n    var proto = Element.prototype;\n\n    proto.matches = proto.matchesSelector ||\n                    proto.mozMatchesSelector ||\n                    proto.msMatchesSelector ||\n                    proto.oMatchesSelector ||\n                    proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n        if (typeof element.matches === 'function' &&\n            element.matches(selector)) {\n          return element;\n        }\n        element = element.parentNode;\n    }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n    var listenerFn = listener.apply(this, arguments);\n\n    element.addEventListener(type, listenerFn, useCapture);\n\n    return {\n        destroy: function() {\n            element.removeEventListener(type, listenerFn, useCapture);\n        }\n    }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n    // Handle the regular Element usage\n    if (typeof elements.addEventListener === 'function') {\n        return _delegate.apply(null, arguments);\n    }\n\n    // Handle Element-less usage, it defaults to global delegation\n    if (typeof type === 'function') {\n        // Use `document` as the first parameter, then apply arguments\n        // This is a short way to .unshift `arguments` without running into deoptimizations\n        return _delegate.bind(null, document).apply(null, arguments);\n    }\n\n    // Handle Selector-based usage\n    if (typeof elements === 'string') {\n        elements = document.querySelectorAll(elements);\n    }\n\n    // Handle Array-like based usage\n    return Array.prototype.map.call(elements, function (element) {\n        return _delegate(element, selector, type, callback, useCapture);\n    });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n    return function(e) {\n        e.delegateTarget = closest(e.target, selector);\n\n        if (e.delegateTarget) {\n            callback.call(element, e);\n        }\n    }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n    return value !== undefined\n        && value instanceof HTMLElement\n        && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return value !== undefined\n        && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n        && ('length' in value)\n        && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n    return typeof value === 'string'\n        || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n    if (!target && !type && !callback) {\n        throw new Error('Missing required arguments');\n    }\n\n    if (!is.string(type)) {\n        throw new TypeError('Second argument must be a String');\n    }\n\n    if (!is.fn(callback)) {\n        throw new TypeError('Third argument must be a Function');\n    }\n\n    if (is.node(target)) {\n        return listenNode(target, type, callback);\n    }\n    else if (is.nodeList(target)) {\n        return listenNodeList(target, type, callback);\n    }\n    else if (is.string(target)) {\n        return listenSelector(target, type, callback);\n    }\n    else {\n        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n    }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n    node.addEventListener(type, callback);\n\n    return {\n        destroy: function() {\n            node.removeEventListener(type, callback);\n        }\n    }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n    Array.prototype.forEach.call(nodeList, function(node) {\n        node.addEventListener(type, callback);\n    });\n\n    return {\n        destroy: function() {\n            Array.prototype.forEach.call(nodeList, function(node) {\n                node.removeEventListener(type, callback);\n            });\n        }\n    }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n    return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n    var selectedText;\n\n    if (element.nodeName === 'SELECT') {\n        element.focus();\n\n        selectedText = element.value;\n    }\n    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n        var isReadOnly = element.hasAttribute('readonly');\n\n        if (!isReadOnly) {\n            element.setAttribute('readonly', '');\n        }\n\n        element.select();\n        element.setSelectionRange(0, element.value.length);\n\n        if (!isReadOnly) {\n            element.removeAttribute('readonly');\n        }\n\n        selectedText = element.value;\n    }\n    else {\n        if (element.hasAttribute('contenteditable')) {\n            element.focus();\n        }\n\n        var selection = window.getSelection();\n        var range = document.createRange();\n\n        range.selectNodeContents(element);\n        selection.removeAllRanges();\n        selection.addRange(range);\n\n        selectedText = selection.toString();\n    }\n\n    return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n  // Keep this empty so it's easier to inherit from\n  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n  on: function (name, callback, ctx) {\n    var e = this.e || (this.e = {});\n\n    (e[name] || (e[name] = [])).push({\n      fn: callback,\n      ctx: ctx\n    });\n\n    return this;\n  },\n\n  once: function (name, callback, ctx) {\n    var self = this;\n    function listener () {\n      self.off(name, listener);\n      callback.apply(ctx, arguments);\n    };\n\n    listener._ = callback\n    return this.on(name, listener, ctx);\n  },\n\n  emit: function (name) {\n    var data = [].slice.call(arguments, 1);\n    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n    var i = 0;\n    var len = evtArr.length;\n\n    for (i; i < len; i++) {\n      evtArr[i].fn.apply(evtArr[i].ctx, data);\n    }\n\n    return this;\n  },\n\n  off: function (name, callback) {\n    var e = this.e || (this.e = {});\n    var evts = e[name];\n    var liveEvents = [];\n\n    if (evts && callback) {\n      for (var i = 0, len = evts.length; i < len; i++) {\n        if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n          liveEvents.push(evts[i]);\n      }\n    }\n\n    // Remove event from queue to prevent memory leak\n    // Suggested by https://github.com/lazd\n    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n    (liveEvents.length)\n      ? e[name] = liveEvents\n      : delete e[name];\n\n    return this;\n  }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(134);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param  {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n  var str = '' + string;\n  var match = matchHtmlRegExp.exec(str);\n\n  if (!match) {\n    return str;\n  }\n\n  var escape;\n  var html = '';\n  var index = 0;\n  var lastIndex = 0;\n\n  for (index = match.index; index < str.length; index++) {\n    switch (str.charCodeAt(index)) {\n      case 34: // \"\n        escape = '&quot;';\n        break;\n      case 38: // &\n        escape = '&amp;';\n        break;\n      case 39: // '\n        escape = '&#39;';\n        break;\n      case 60: // <\n        escape = '&lt;';\n        break;\n      case 62: // >\n        escape = '&gt;';\n        break;\n      default:\n        continue;\n    }\n\n    if (lastIndex !== index) {\n      html += str.substring(lastIndex, index);\n    }\n\n    lastIndex = index + 1;\n    html += escape;\n  }\n\n  return lastIndex !== index\n    ? html + str.substring(lastIndex, index)\n    : html;\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\nimport { NEVER, Subject, defer, merge } from \"rxjs\"\nimport {\n  delay,\n  filter,\n  map,\n  mergeWith,\n  shareReplay,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n  at,\n  getElement,\n  requestJSON,\n  setToggle,\n  watchDocument,\n  watchKeyboard,\n  watchLocation,\n  watchLocationTarget,\n  watchMedia,\n  watchPrint,\n  watchViewport\n} from \"./browser\"\nimport {\n  getComponentElement,\n  getComponentElements,\n  mountContent,\n  mountDialog,\n  mountHeader,\n  mountHeaderTitle,\n  mountSearch,\n  mountSidebar,\n  mountSource,\n  mountTableOfContents,\n  mountTabs,\n  watchHeader,\n  watchMain\n} from \"./components\"\nimport {\n  SearchIndex,\n  setupClipboardJS,\n  setupInstantLoading,\n  setupVersionSelector\n} from \"./integrations\"\nimport {\n  patchIndeterminate,\n  patchScrollfix,\n  patchScrolllock\n} from \"./patches\"\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$   = watchLocationTarget()\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$   = watchMedia(\"(min-width: 960px)\")\nconst screen$   = watchMedia(\"(min-width: 1220px)\")\nconst print$    = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n  ? __search?.index || requestJSON<SearchIndex>(\n    `${config.base}/search/search_index.json`\n  )\n  : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject<string>()\nsetupClipboardJS({ alert$ })\n\n/* Set up instant loading, if enabled */\nif (feature(\"navigation.instant\"))\n  setupInstantLoading({ document$, location$, viewport$ })\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n  setupVersionSelector()\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n  .pipe(\n    delay(125)\n  )\n    .subscribe(() => {\n      setToggle(\"drawer\", false)\n      setToggle(\"search\", false)\n    })\n\n/* Set up global keyboard handlers */\nkeyboard$\n  .pipe(\n    filter(({ mode }) => mode === \"global\")\n  )\n    .subscribe(key => {\n      switch (key.type) {\n\n        /* Go to previous page */\n        case \"p\":\n        case \",\":\n          const prev = getElement(\"[href][rel=prev]\")\n          if (typeof prev !== \"undefined\")\n            prev.click()\n          break\n\n        /* Go to next page */\n        case \"n\":\n        case \".\":\n          const next = getElement(\"[href][rel=next]\")\n          if (typeof next !== \"undefined\")\n            next.click()\n          break\n      }\n    })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n  .pipe(\n    map(() => getComponentElement(\"main\")),\n    switchMap(el => watchMain(el, { viewport$, header$ })),\n    shareReplay(1)\n  )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n  /* Dialog */\n  ...getComponentElements(\"dialog\")\n    .map(el => mountDialog(el, { alert$ })),\n\n  /* Header */\n  ...getComponentElements(\"header\")\n    .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n  /* Search */\n  ...getComponentElements(\"search\")\n    .map(el => mountSearch(el, { index$, keyboard$ })),\n\n  /* Repository information */\n  ...getComponentElements(\"source\")\n    .map(el => mountSource(el)),\n\n  /* Navigation tabs */\n  ...getComponentElements(\"tabs\")\n    .map(el => mountTabs(el, { viewport$, header$ })),\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n  /* Content */\n  ...getComponentElements(\"content\")\n    .map(el => mountContent(el, { target$, viewport$, print$ })),\n\n  /* Header title */\n  ...getComponentElements(\"header-title\")\n    .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n  /* Sidebar */\n  ...getComponentElements(\"sidebar\")\n    .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n      ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n      : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n    ),\n\n  /* Table of contents */\n  ...getComponentElements(\"toc\")\n    .map(el => mountTableOfContents(el, { viewport$, header$ })),\n))\n\n/* Set up component observables */\nconst component$ = document$\n  .pipe(\n    switchMap(() => content$),\n    mergeWith(control$),\n    shareReplay(1)\n  )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$  = document$          /* Document observable */\nwindow.location$  = location$          /* Location subject */\nwindow.target$    = target$            /* Location target observable */\nwindow.keyboard$  = keyboard$          /* Keyboard observable */\nwindow.viewport$  = viewport$          /* Viewport observable */\nwindow.tablet$    = tablet$            /* Tablet observable */\nwindow.screen$    = screen$            /* Screen observable */\nwindow.print$     = print$             /* Print mode observable */\nwindow.alert$     = alert$             /* Alert subject */\nwindow.component$ = component$         /* Component observable */\n", "import tslib from '../tslib.js';\r\nconst {\r\n    __extends,\r\n    __assign,\r\n    __rest,\r\n    __decorate,\r\n    __param,\r\n    __metadata,\r\n    __awaiter,\r\n    __generator,\r\n    __exportStar,\r\n    __createBinding,\r\n    __values,\r\n    __read,\r\n    __spread,\r\n    __spreadArrays,\r\n    __spreadArray,\r\n    __await,\r\n    __asyncGenerator,\r\n    __asyncDelegator,\r\n    __asyncValues,\r\n    __makeTemplateObject,\r\n    __importStar,\r\n    __importDefault,\r\n    __classPrivateFieldGet,\r\n    __classPrivateFieldSet,\r\n} = tslib;\r\nexport {\r\n    __extends,\r\n    __assign,\r\n    __rest,\r\n    __decorate,\r\n    __param,\r\n    __metadata,\r\n    __awaiter,\r\n    __generator,\r\n    __exportStar,\r\n    __createBinding,\r\n    __values,\r\n    __read,\r\n    __spread,\r\n    __spreadArrays,\r\n    __spreadArray,\r\n    __await,\r\n    __asyncGenerator,\r\n    __asyncDelegator,\r\n    __asyncValues,\r\n    __makeTemplateObject,\r\n    __importStar,\r\n    __importDefault,\r\n    __classPrivateFieldGet,\r\n    __classPrivateFieldSet,\r\n};\r\n", null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ReplaySubject, Subject, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject<Document> {\n  const document$ = new ReplaySubject<Document>()\n  fromEvent(document, \"DOMContentLoaded\")\n    .pipe(\n      mapTo(document)\n    )\n      .subscribe(document$)\n\n  /* Return document */\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElementOrThrow<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElementOrThrow<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElementOrThrow<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n  return el\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return document.activeElement instanceof HTMLElement\n    ? document.activeElement\n    : undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Create an element\n *\n * @template T - Tag name type\n *\n * @param tagName - Tag name\n *\n * @returns Element\n */\nexport function createElement<T extends keyof HTMLElementTagNameMap>(\n  tagName: T\n): HTMLElementTagNameMap[T] {\n  return document.createElement(tagName)\n}\n\n/**\n * Replace an element with the given list of nodes\n *\n * @param el - Element\n * @param nodes - Replacement nodes\n */\nexport function replaceElement(\n  el: HTMLElement, ...nodes: Node[]\n): void {\n  el.replaceWith(...nodes)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element focus\n *\n * @param el - Element\n * @param value - Whether the element should be focused\n */\nexport function setElementFocus(\n  el: HTMLElement, value = true\n): void {\n  if (value)\n    el.focus()\n  else\n    el.blur()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n  el: HTMLElement\n): Observable<boolean> {\n  return merge(\n    fromEvent<FocusEvent>(el, \"focus\"),\n    fromEvent<FocusEvent>(el, \"blur\")\n  )\n    .pipe(\n      map(({ type }) => type === \"focus\"),\n      startWith(el === getActiveElement())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  of\n} from \"rxjs\"\nimport {\n  filter,\n  finalize,\n  map,\n  shareReplay,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n  width: number                        /* Element width */\n  height: number                       /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject<ResizeObserverEntry>()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n  new ResizeObserver(entries => {\n    for (const entry of entries)\n      entry$.next(entry)\n  })\n))\n  .pipe(\n    switchMap(resize => NEVER.pipe(startWith(resize))\n      .pipe(\n        finalize(() => resize.disconnect())\n      )\n    ),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(el: HTMLElement): ElementSize {\n  return {\n    width:  el.offsetWidth,\n    height: el.offsetHeight\n  }\n}\n\n/**\n * Retrieve element content size, i.e. including overflowing content\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementContentSize(el: HTMLElement): ElementSize {\n  return {\n    width:  el.scrollWidth,\n    height: el.scrollHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n  el: HTMLElement\n): Observable<ElementSize> {\n  return observer$\n    .pipe(\n      tap(observer => observer.observe(el)),\n      switchMap(observer => entry$\n        .pipe(\n          filter(({ target }) => target === el),\n          finalize(() => observer.unobserve(el)),\n          map(() => getElementSize(el))\n        )\n      ),\n      startWith(getElementSize(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  map,\n  startWith\n} from \"rxjs/operators\"\n\nimport {\n  getElementContentSize,\n  getElementSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n  return {\n    x: el.scrollLeft,\n    y: el.scrollTop\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(el, \"scroll\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      map(() => getElementOffset(el)),\n      startWith(getElementOffset(el))\n    )\n}\n\n/**\n * Watch element threshold\n *\n * This function returns an observable which emits whether the bottom scroll\n * offset of an elements is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element threshold observable\n */\nexport function watchElementThreshold(\n  el: HTMLElement, threshold = 16\n): Observable<boolean> {\n  return watchElementOffset(el)\n    .pipe(\n      map(({ y }) => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return y >= (\n          content.height - visible.height - threshold\n        )\n      }),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element text selection\n *\n * @param el - Element\n */\nexport function setElementSelection(\n  el: HTMLElement\n): void {\n  if (el instanceof HTMLInputElement)\n    el.select()\n  else\n    throw new Error(\"Not implemented\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getElementOrThrow } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n  | \"drawer\"                           /* Toggle for drawer */\n  | \"search\"                           /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record<Toggle, HTMLInputElement> = {\n  drawer: getElementOrThrow(\"[data-md-toggle=drawer]\"),\n  search: getElementOrThrow(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n  return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n  if (toggles[name].checked !== value)\n    toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable<boolean> {\n  const el = toggles[name]\n  return fromEvent(el, \"change\")\n    .pipe(\n      map(() => el.checked),\n      startWith(el.checked)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n  | \"global\"                           /* Global */\n  | \"search\"                           /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n  mode: KeyboardMode                   /* Keyboard mode */\n  type: string                         /* Key type */\n  claim(): void                        /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(el: HTMLElement): boolean {\n  switch (el.tagName) {\n\n    /* Form elements */\n    case \"INPUT\":\n    case \"SELECT\":\n    case \"TEXTAREA\":\n      return true\n\n    /* Everything else */\n    default:\n      return el.isContentEditable\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable<Keyboard> {\n  return fromEvent<KeyboardEvent>(window, \"keydown\")\n    .pipe(\n      filter(ev => !(ev.metaKey || ev.ctrlKey)),\n      map(ev => ({\n        mode: getToggle(\"search\") ? \"search\" : \"global\",\n        type: ev.key,\n        claim() {\n          ev.preventDefault()\n          ev.stopPropagation()\n        }\n      } as Keyboard)),\n      filter(({ mode }) => {\n        if (mode === \"global\") {\n          const active = getActiveElement()\n          if (typeof active !== \"undefined\")\n            return !isSusceptibleToKeyboard(active)\n        }\n        return true\n      }),\n      share()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n  return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n  location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject<URL> {\n  return new Subject<URL>()\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport { filter, map, share, startWith, switchMap } from \"rxjs/operators\"\n\nimport { createElement, getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n  return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n  const el = createElement(\"a\")\n  el.href = hash\n  el.addEventListener(\"click\", ev => ev.stopPropagation())\n  el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(): Observable<string> {\n  return fromEvent<HashChangeEvent>(window, \"hashchange\")\n    .pipe(\n      map(getLocationHash),\n      startWith(getLocationHash()),\n      filter(hash => hash.length > 0),\n      share()\n    )\n}\n\n/**\n * Watch location target\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(): Observable<HTMLElement> {\n  return watchLocationHash()\n    .pipe(\n      switchMap(id => of(getElement(`[id=\"${id}\"]`)!))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, fromEvent, merge } from \"rxjs\"\nimport {\n  filter,\n  map,\n  mapTo,\n  startWith,\n  switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable<boolean> {\n  const media = matchMedia(query)\n  return fromEvent<MediaQueryListEvent>(media, \"change\")\n    .pipe(\n      map(ev => ev.matches),\n      startWith(media.matches)\n    )\n}\n\n/**\n * Watch print mode, cross-browser\n *\n * @returns Print mode observable\n */\nexport function watchPrint(): Observable<void> {\n  return merge(\n    watchMedia(\"print\").pipe(filter(Boolean)),  /* Webkit */\n    fromEvent(window, \"beforeprint\")            /* IE, FF */\n  )\n    .pipe(\n      mapTo(undefined)\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at<T>(\n  query$: Observable<boolean>, factory: () => Observable<T>\n): Observable<T> {\n  return query$\n    .pipe(\n      switchMap(active => active ? factory() : NEVER)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, from } from \"rxjs\"\nimport {\n  filter,\n  map,\n  shareReplay,\n  switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Response observable\n */\nexport function request(\n  url: URL | string, options: RequestInit = { credentials: \"same-origin\" }\n): Observable<Response> {\n  return from(fetch(url.toString(), options))\n    .pipe(\n      filter(res => res.status === 200),\n    )\n}\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON<T>(\n  url: URL | string, options?: RequestInit\n): Observable<T> {\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.json()),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n  url: URL | string, options?: RequestInit\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/xml\")),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n  return {\n    x: Math.max(0, pageXOffset),\n    y: Math.max(0, pageYOffset)\n  }\n}\n\n/**\n * Set viewport offset\n *\n * @param offset - Viewport offset\n */\nexport function setViewportOffset(\n  { x, y }: Partial<ViewportOffset>\n): void {\n  window.scrollTo(x || 0, y || 0)\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable<ViewportOffset> {\n  return merge(\n    fromEvent(window, \"scroll\", { passive: true }),\n    fromEvent(window, \"resize\", { passive: true })\n  )\n    .pipe(\n      map(getViewportOffset),\n      startWith(getViewportOffset())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n  width: number                        /* Viewport width */\n  height: number                       /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n  return {\n    width:  innerWidth,\n    height: innerHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable<ViewportSize> {\n  return fromEvent(window, \"resize\", { passive: true })\n    .pipe(\n      map(getViewportSize),\n      startWith(getViewportSize())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  map,\n  shareReplay\n} from \"rxjs/operators\"\n\nimport { Header } from \"~/components\"\n\nimport {\n  ViewportOffset,\n  watchViewportOffset\n} from \"../offset\"\nimport {\n  ViewportSize,\n  watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n  offset: ViewportOffset               /* Viewport offset */\n  size: ViewportSize                   /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch at options\n */\ninterface WatchAtOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable<Viewport> {\n  return combineLatest([\n    watchViewportOffset(),\n    watchViewportSize()\n  ])\n    .pipe(\n      map(([offset, size]) => ({ offset, size })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n  el: HTMLElement, { viewport$, header$ }: WatchAtOptions\n): Observable<Viewport> {\n  const size$ = viewport$\n    .pipe(\n      distinctUntilKeyChanged(\"size\")\n    )\n\n  /* Compute element offset */\n  const offset$ = combineLatest([size$, header$])\n    .pipe(\n      map((): ViewportOffset => ({\n        x: el.offsetLeft,\n        y: el.offsetTop\n      }))\n    )\n\n  /* Compute relative viewport, return hot observable */\n  return combineLatest([header$, viewport$, offset$])\n    .pipe(\n      map(([{ height }, { offset, size }, { x, y }]) => ({\n        offset: {\n          x: offset.x - x,\n          y: offset.y - y + height\n        },\n        size\n      }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEvent } from \"rxjs\"\nimport {\n  map,\n  share,\n  switchMapTo,\n  tap,\n  throttle\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n  type: unknown                        /* Message type */\n  data?: unknown                       /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n  T extends WorkerMessage\n> {\n  tx$: Subject<T>                      /* Message transmission subject */\n  rx$: Observable<T>                   /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions<T extends WorkerMessage> {\n  tx$: Observable<T>                   /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that sends all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @returns Worker message observable\n */\nexport function watchWorker<T extends WorkerMessage>(\n  worker: Worker, { tx$ }: WatchOptions<T>\n): Observable<T> {\n\n  /* Intercept messages from worker-like objects */\n  const rx$ = fromEvent<MessageEvent>(worker, \"message\")\n    .pipe(\n      map(({ data }) => data as T)\n    )\n\n  /* Send and receive messages, return hot observable */\n  return tx$\n    .pipe(\n      throttle(() => rx$, { leading: true, trailing: true }),\n      tap(message => worker.postMessage(message)),\n      switchMapTo(rx$),\n      share()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n  | \"header.autohide\"                  /* Hide header */\n  | \"navigation.expand\"                /* Automatic expansion */\n  | \"navigation.instant\"               /* Instant loading */\n  | \"navigation.sections\"              /* Sections navigation */\n  | \"navigation.tabs\"                  /* Tabs navigation */\n  | \"toc.integrate\"                    /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n  | \"clipboard.copy\"                   /* Copy to clipboard */\n  | \"clipboard.copied\"                 /* Copied to clipboard */\n  | \"search.config.lang\"               /* Search language */\n  | \"search.config.pipeline\"           /* Search pipeline */\n  | \"search.config.separator\"          /* Search separator */\n  | \"search.placeholder\"               /* Search */\n  | \"search.result.placeholder\"        /* Type to start searching */\n  | \"search.result.none\"               /* No matching documents */\n  | \"search.result.one\"                /* 1 matching document */\n  | \"search.result.other\"              /* # matching documents */\n  | \"search.result.more.one\"           /* 1 more on this page */\n  | \"search.result.more.other\"         /* # more on this page */\n  | \"search.result.term.missing\"       /* Missing */\n\n/**\n * Translations\n */\nexport type Translations = Record<Translation, string>\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n  provider: \"mike\"                     /* Version provider */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n  base: string                         /* Base URL */\n  features: Flag[]                     /* Feature flags */\n  translations: Translations           /* Translations */\n  search: string                       /* Search worker URL */\n  version?: Versioning                 /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElementOrThrow(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = new URL(config.base, getLocation())\n  .toString()\n  .replace(/\\/$/, \"\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n  return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n  return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n  key: Translation, value?: string | number\n): string {\n  return typeof value !== \"undefined\"\n    ? config.translations[key].replace(\"#\", value.toString())\n    : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component\n */\nexport type ComponentType =\n  | \"announce\"                         /* Announcement bar */\n  | \"container\"                        /* Container */\n  | \"content\"                          /* Content */\n  | \"dialog\"                           /* Dialog */\n  | \"header\"                           /* Header */\n  | \"header-title\"                     /* Header title */\n  | \"header-topic\"                     /* Header topic */\n  | \"main\"                             /* Main area */\n  | \"search\"                           /* Search */\n  | \"search-query\"                     /* Search input */\n  | \"search-result\"                    /* Search results */\n  | \"sidebar\"                          /* Sidebar */\n  | \"skip\"                             /* Skip link */\n  | \"source\"                           /* Repository information */\n  | \"tabs\"                             /* Navigation tabs */\n  | \"toc\"                              /* Table of contents */\n\n/**\n * A component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n  T extends {} = {},\n  U extends HTMLElement = HTMLElement\n> =\n  T & {\n    ref: U                             /* Component reference */\n  }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n  \"announce\": HTMLElement              /* Announcement bar */\n  \"container\": HTMLElement             /* Container */\n  \"content\": HTMLElement               /* Content */\n  \"dialog\": HTMLElement                /* Dialog */\n  \"header\": HTMLElement                /* Header */\n  \"header-title\": HTMLElement          /* Header title */\n  \"header-topic\": HTMLElement          /* Header topic */\n  \"main\": HTMLElement                  /* Main area */\n  \"search\": HTMLElement                /* Search */\n  \"search-query\": HTMLInputElement     /* Search input */\n  \"search-result\": HTMLElement         /* Search results */\n  \"sidebar\": HTMLElement               /* Sidebar */\n  \"skip\": HTMLAnchorElement            /* Skip link */\n  \"source\": HTMLAnchorElement          /* Repository information */\n  \"tabs\": HTMLElement                  /* Navigation tabs */\n  \"toc\": HTMLElement                   /* Table of contents */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n  return getElementOrThrow(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n  return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  fromEvent,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  switchMap,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetFocusable, setFocusable } from \"~/actions\"\nimport {\n  Viewport,\n  getElementContentSize,\n  getElementSize,\n  getElements,\n  watchMedia\n} from \"~/browser\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block\n */\nexport interface CodeBlock {\n  scroll: boolean                      /* Code block overflows */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global index for Clipboard.js integration\n */\nlet index = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n  el: HTMLElement, { viewport$ }: WatchOptions\n): Observable<CodeBlock> {\n  const container$ = of(el)\n    .pipe(\n      switchMap(child => {\n        const container = child.closest(\"[data-tabs]\")\n        if (container instanceof HTMLElement) {\n          return merge(\n            ...getElements(\"input\", container)\n              .map(input => fromEvent(input, \"change\"))\n          )\n        }\n        return NEVER\n      })\n    )\n\n  /* Check overflow on resize and tab change */\n  return merge(\n    viewport$.pipe(distinctUntilKeyChanged(\"size\")),\n    container$\n  )\n    .pipe(\n      map(() => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return {\n          scroll: content.width > visible.width\n        }\n      }),\n      distinctUntilKeyChanged(\"scroll\")\n    )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block component observable\n */\nexport function mountCodeBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<CodeBlock>> {\n  const internal$ = new Subject<CodeBlock>()\n  internal$\n    .pipe(\n      withLatestFrom(watchMedia(\"(hover)\"))\n    )\n      .subscribe(([{ scroll }, hover]) => {\n        if (scroll && hover)\n          setFocusable(el)\n        else\n          resetFocusable(el)\n      })\n\n  /* Render button for Clipboard.js integration */\n  if (ClipboardJS.isSupported()) {\n    const parent = el.closest(\"pre\")!\n    parent.id = `__code_${index++}`\n    parent.insertBefore(\n      renderClipboardButton(parent.id),\n      el\n    )\n  }\n\n  /* Create and return component */\n  return watchCodeBlock(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set focusable property\n *\n * @param el - Element\n * @param value - Tabindex value\n */\nexport function setFocusable(\n  el: HTMLElement, value = 0\n): void {\n  el.setAttribute(\"tabindex\", value.toString())\n}\n\n/**\n * Reset focusable property\n *\n * @param el - Element\n */\nexport function resetFocusable(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"tabindex\")\n}\n\n/**\n * Set scroll lock\n *\n * @param el - Scrollable element\n * @param value - Vertical offset\n */\nexport function setScrollLock(\n  el: HTMLElement, value: number\n): void {\n  el.setAttribute(\"data-md-state\", \"lock\")\n  el.style.top = `-${value}px`\n}\n\n/**\n * Reset scroll lock\n *\n * @param el - Scrollable element\n */\nexport function resetScrollLock(\n  el: HTMLElement\n): void {\n  const value = -1 * parseInt(el.style.top, 10)\n  el.removeAttribute(\"data-md-state\")\n  el.style.top = \"\"\n  if (value)\n    window.scrollTo(0, value)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor state\n *\n * @param el - Anchor element\n * @param state - Anchor state\n */\nexport function setAnchorState(\n  el: HTMLElement, state: \"blur\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset anchor state\n *\n * @param el - Anchor element\n */\nexport function resetAnchorState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n  el: HTMLElement, value: boolean\n): void {\n  el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n  el: HTMLElement\n): void {\n  el.classList.remove(\"md-nav__link--active\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set dialog message\n *\n * @param el - Dialog element\n * @param value - Dialog message\n */\nexport function setDialogMessage(\n  el: HTMLElement, value: string\n): void {\n  el.firstElementChild!.innerHTML = value\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set dialog state\n *\n * @param el - Dialog element\n * @param state - Dialog state\n */\nexport function setDialogState(\n  el: HTMLElement, state: \"open\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset dialog state\n *\n * @param el - Dialog element\n */\nexport function resetDialogState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header state\n *\n * @param el - Header element\n * @param state - Header state\n */\nexport function setHeaderState(\n  el: HTMLElement, state: \"shadow\" | \"hidden\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header state\n *\n * @param el - Header element\n */\nexport function resetHeaderState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header title state\n *\n * @param el - Header title element\n * @param state - Header title state\n */\nexport function setHeaderTitleState(\n  el: HTMLElement, state: \"active\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header title state\n *\n * @param el - Header title element\n */\nexport function resetHeaderTitleState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set search query placeholder\n *\n * @param el - Search query element\n * @param value - Placeholder\n */\nexport function setSearchQueryPlaceholder(\n  el: HTMLInputElement, value: string\n): void {\n  el.placeholder = value\n}\n\n/**\n * Reset search query placeholder\n *\n * @param el - Search query element\n */\nexport function resetSearchQueryPlaceholder(\n  el: HTMLInputElement\n): void {\n  el.placeholder = translation(\"search.placeholder\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n  & JSXInternal.HTMLAttributes\n  & JSXInternal.SVGAttributes\n  & Record<string, any>\n\n/**\n * Child element\n */\ntype Child =\n  | HTMLElement\n  | Text\n  | string\n  | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n  /* Handle primitive types (including raw HTML) */\n  if (typeof child === \"string\" || typeof child === \"number\") {\n    el.innerHTML += child.toString()\n\n  /* Handle nodes */\n  } else if (child instanceof Node) {\n    el.appendChild(child)\n\n  /* Handle nested children */\n  } else if (Array.isArray(child)) {\n    for (const node of child)\n      appendChild(el, node)\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h(\n  tag: string, attributes: Attributes | null, ...children: Child[]\n): HTMLElement {\n  const el = document.createElement(tag)\n\n  /* Set attributes, if any */\n  if (attributes)\n    for (const attr of Object.keys(attributes))\n      if (typeof attributes[attr] !== \"boolean\")\n        el.setAttribute(attr, attributes[attr])\n      else if (attributes[attr])\n        el.setAttribute(attr, \"\")\n\n  /* Append child nodes */\n  for (const child of children)\n    appendChild(el, child)\n\n  /* Return element */\n  return el\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n  namespace JSX {\n    type Element = HTMLElement\n    type IntrinsicElements = JSXInternal.IntrinsicElements\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @returns Truncated value\n */\nexport function truncate(value: string, n: number): string {\n  let i = n\n  if (value.length > i) {\n    while (value[i] !== \" \" && --i > 0) { /* keep eating */ }\n    return `${value.substring(0, i)}...`\n  }\n  return value\n}\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n  if (value > 999) {\n    const digits = +((value - 950) % 1000 > 99)\n    return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n  } else {\n    return value.toString()\n  }\n}\n\n/**\n * Simple hash function\n *\n * @see https://bit.ly/2wsVjJ4 - Original source\n *\n * @param value - Value to be hashed\n *\n * @returns Hash as 32bit integer\n */\nexport function hash(value: string): number {\n  let h = 0\n  for (let i = 0, len = value.length; i < len; i++) {\n    h  = ((h << 5) - h) + value.charCodeAt(i)\n    h |= 0 // Convert to 32bit integer\n  }\n  return h\n}\n\n/**\n * Add a digest to a value to ensure uniqueness\n *\n * When a single account hosts multiple sites on the same GitHub Pages domain,\n * entries would collide, because session and local storage are not unique.\n *\n * @param value - Value\n *\n * @returns Value with digest\n */\nexport function digest(value: string): string {\n  const config = configuration()\n  return `${value}[${hash(config.base)}]`\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n  el: HTMLElement, value: number\n): void {\n  switch (value) {\n\n    /* No results */\n    case 0:\n      el.textContent = translation(\"search.result.none\")\n      break\n\n    /* One result */\n    case 1:\n      el.textContent = translation(\"search.result.one\")\n      break\n\n    /* Multiple result */\n    default:\n      el.textContent = translation(\"search.result.other\", round(value))\n  }\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n  el: HTMLElement\n): void {\n  el.textContent = translation(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n  el: HTMLElement, child: Element\n): void {\n  el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n  el: HTMLElement\n): void {\n  el.innerHTML = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar offset\n *\n * @param el - Sidebar element\n * @param value - Sidebar offset\n */\nexport function setSidebarOffset(\n  el: HTMLElement, value: number\n): void {\n  el.style.top = `${value}px`\n}\n\n/**\n * Reset sidebar offset\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarOffset(\n  el: HTMLElement\n): void {\n  el.style.top = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n  el: HTMLElement, value: number\n): void {\n  const scrollwrap = el.firstElementChild as HTMLElement\n  scrollwrap.style.height = `${value - 2 * scrollwrap.offsetTop}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n  el: HTMLElement\n): void {\n  const scrollwrap = el.firstElementChild as HTMLElement\n  scrollwrap.style.height = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set repository facts\n *\n * @param el - Repository element\n * @param child - Repository facts element\n */\nexport function setSourceFacts(\n  el: HTMLElement, child: Element\n): void {\n  el.lastElementChild!.appendChild(child)\n}\n\n/**\n * Set repository state\n *\n * @param el - Repository element\n * @param state - Repository state\n */\nexport function setSourceState(\n  el: HTMLElement, state: \"done\"\n): void {\n  el.lastElementChild!.setAttribute(\"data-md-state\", state)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set tabs state\n *\n * @param el - Tabs element\n * @param state - Tabs state\n */\nexport function setTabsState(\n  el: HTMLElement, state: \"hidden\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset tabs state\n *\n * @param el - Tabs element\n */\nexport function resetTabsState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n  return (\n    <button\n      class=\"md-clipboard md-icon\"\n      title={translation(\"clipboard.copy\")}\n      data-clipboard-target={`#${id} > code`}\n    ></button>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport {\n  SearchDocument,\n  SearchMetadata,\n  SearchResult\n} from \"~/integrations/search\"\nimport { h, truncate } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n  TEASER = 1,                          /* Render teaser */\n  PARENT = 2                           /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n  document: SearchDocument & SearchMetadata, flag: Flag\n): HTMLElement {\n  const parent = flag & Flag.PARENT\n  const teaser = flag & Flag.TEASER\n\n  /* Render missing query terms */\n  const missing = Object.keys(document.terms)\n    .filter(key => !document.terms[key])\n    .map(key => [<del>{key}</del>, \" \"])\n    .flat()\n    .slice(0, -1)\n\n  /* Render article or section, depending on flags */\n  const url = document.location\n  return (\n    <a href={url} class=\"md-search-result__link\" tabIndex={-1}>\n      <article\n        class={[\"md-search-result__article\", ...parent\n          ? [\"md-search-result__article--document\"]\n          : []\n        ].join(\" \")}\n        data-md-score={document.score.toFixed(2)}\n      >\n        {parent > 0 && <div class=\"md-search-result__icon md-icon\"></div>}\n        <h1 class=\"md-search-result__title\">{document.title}</h1>\n        {teaser > 0 && document.text.length > 0 &&\n          <p class=\"md-search-result__teaser\">\n            {truncate(document.text, 320)}\n          </p>\n        }\n        {teaser > 0 && missing.length > 0 &&\n          <p class=\"md-search-result__terms\">\n            {translation(\"search.result.term.missing\")}: {...missing}\n          </p>\n        }\n      </article>\n    </a>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResult(\n  result: SearchResult\n): HTMLElement {\n  const threshold = result[0].score\n  const docs = [...result]\n\n  /* Find and extract parent article */\n  const parent = docs.findIndex(doc => !doc.location.includes(\"#\"))\n  const [article] = docs.splice(parent, 1)\n\n  /* Determine last index above threshold */\n  let index = docs.findIndex(doc => doc.score < threshold)\n  if (index === -1)\n    index = docs.length\n\n  /* Partition sections */\n  const best = docs.slice(0, index)\n  const more = docs.slice(index)\n\n  /* Render children */\n  const children = [\n    renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n    ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n    ...more.length ? [\n      <details class=\"md-search-result__more\">\n        <summary tabIndex={-1}>\n          {more.length > 0 && more.length === 1\n            ? translation(\"search.result.more.one\")\n            : translation(\"search.result.more.other\", more.length)\n          }\n        </summary>\n        {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n      </details>\n    ] : []\n  ]\n\n  /* Render search result */\n  return (\n    <li class=\"md-search-result__item\">\n      {children}\n    </li>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n  return (\n    <ul class=\"md-source__facts\">\n      {facts.map(fact => (\n        <li class=\"md-source__fact\">{fact}</li>\n      ))}\n    </ul>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n  return (\n    <div class=\"md-typeset__scrollwrap\">\n      <div class=\"md-typeset__table\">\n        {table}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version\n */\nexport interface Version {\n  version: string                      /* Version identifier */\n  title: string                        /* Version title */\n  aliases: string[]                    /* Version aliases */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n  const config = configuration()\n\n  /* Ensure trailing slash, see https://bit.ly/3rL5u3f */\n  const url = new URL(`${version.version}/`, config.base)\n  return (\n    <li class=\"md-version__item\">\n      <a href={url.toString()} class=\"md-version__link\">\n        {version.title}\n      </a>\n    </li>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n *\n * @returns Element\n */\nexport function renderVersionSelector(versions: Version[]): HTMLElement {\n  const config = configuration()\n\n  /* Determine active version */\n  const [, current] = config.base.match(/([^/]+)\\/?$/)!\n  const active =\n    versions.find(({ version, aliases }) => (\n      version === current || aliases.includes(current)\n    )) || versions[0]\n\n  /* Render version selector */\n  return (\n    <div class=\"md-version\">\n      <span class=\"md-version__current\">\n        {active.title}\n      </span>\n      <ul class=\"md-version__list\">\n        {versions.map(renderVersion)}\n      </ul>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject } from \"rxjs\"\nimport {\n  filter,\n  finalize,\n  map,\n  mapTo,\n  mergeWith,\n  tap\n} from \"rxjs/operators\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n  el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable<Details> {\n  return target$\n    .pipe(\n      map(target => target.closest(\"details:not([open])\")!),\n      filter(details => el === details),\n      mergeWith(print$),\n      mapTo(el)\n    )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n  el: HTMLDetailsElement, options: MountOptions\n): Observable<Component<Details>> {\n  const internal$ = new Subject<Details>()\n  internal$.subscribe(() => {\n    el.setAttribute(\"open\", \"\")\n    el.scrollIntoView()\n  })\n\n  /* Create and return component */\n  return watchDetails(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      mapTo({ ref: el })\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { createElement, replaceElement } from \"~/browser\"\nimport { renderTable } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = createElement(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n  el: HTMLElement\n): Observable<Component<DataTable>> {\n  replaceElement(el, sentinel)\n  replaceElement(sentinel, renderTable(el))\n\n  /* Create and return component */\n  return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { CodeBlock, mountCodeBlock } from \"../code\"\nimport { Details, mountDetails } from \"../details\"\nimport { DataTable, mountDataTable } from \"../table\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n  | CodeBlock\n  | DataTable\n  | Details\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n  el: HTMLElement, { target$, viewport$, print$ }: MountOptions\n): Observable<Component<Content>> {\n  return merge(\n\n    /* Code blocks */\n    ...getElements(\"pre > code\", el)\n      .map(child => mountCodeBlock(child, { viewport$ })),\n\n    /* Data tables */\n    ...getElements(\"table:not([class])\", el)\n      .map(child => mountDataTable(child)),\n\n    /* Details */\n    ...getElements(\"details\", el)\n      .map(child => mountDetails(child, { target$, print$ }))\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  delay,\n  finalize,\n  map,\n  observeOn,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetDialogState,\n  setDialogMessage,\n  setDialogState\n} from \"~/actions\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n  message: string                      /* Dialog message */\n  open: boolean                        /* Dialog is visible */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n  _el: HTMLElement, { alert$ }: WatchOptions\n): Observable<Dialog> {\n  return alert$\n    .pipe(\n      switchMap(message => merge(\n        of(true),\n        of(false).pipe(delay(2000))\n      )\n        .pipe(\n          map(open => ({ message, open }))\n        )\n      )\n    )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right cornerwhen a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Dialog>> {\n  const internal$ = new Subject<Dialog>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(({ message, open }) => {\n        setDialogMessage(el, message)\n        if (open)\n          setDialogState(el, \"open\")\n        else\n          resetDialogState(el)\n      })\n\n  /* Create and return component */\n  return watchDialog(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest,\n  defer,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  combineLatestWith,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  map,\n  observeOn,\n  shareReplay,\n  startWith,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { feature } from \"~/_\"\nimport { resetHeaderState, setHeaderState } from \"~/actions\"\nimport {\n  Viewport,\n  watchElementSize,\n  watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n  height: number                       /* Header visible height */\n  sticky: boolean                      /* Header stickyness */\n  hidden: boolean                      /* User scrolled past threshold */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable<boolean> {\n  if (!feature(\"header.autohide\"))\n    return of(false)\n\n  /* Compute direction and turning point */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => [a < b, b] as const),\n      distinctUntilKeyChanged(0)\n    )\n\n  /* Compute whether header should be hidden */\n  const hidden$ = combineLatest([viewport$, direction$])\n    .pipe(\n      filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n      map(([, [direction]]) => direction),\n      distinctUntilChanged()\n    )\n\n  /* Compute threshold for autohiding */\n  const search$ = watchToggle(\"search\")\n  return combineLatest([viewport$, search$])\n    .pipe(\n      map(([{ offset }, search]) => offset.y > 400 && !search),\n      distinctUntilChanged(),\n      switchMap(active => active ? hidden$ : of(false)),\n      startWith(false)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n  el: HTMLElement, options: WatchOptions\n): Observable<Header> {\n  return defer(() => {\n    const styles = getComputedStyle(el)\n    return of(\n      styles.position === \"sticky\" ||\n      styles.position === \"-webkit-sticky\"\n    )\n  })\n    .pipe(\n      combineLatestWith(watchElementSize(el), isHidden(options)),\n      map(([sticky, { height }, hidden]) => ({\n        height: sticky ? height : 0,\n        sticky,\n        hidden\n      })),\n      distinctUntilChanged((a, b) => (\n        a.sticky === b.sticky &&\n        a.height === b.height &&\n        a.hidden === b.hidden\n      )),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n  el: HTMLElement, { header$, main$ }: MountOptions\n): Observable<Component<Header>> {\n  const internal$ = new Subject<Main>()\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"active\"),\n      combineLatestWith(header$),\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(([{ active }, { hidden }]) => {\n        if (active)\n          setHeaderState(el, hidden ? \"hidden\" : \"shadow\")\n        else\n          resetHeaderState(el)\n      })\n\n  /* Connect to long-living subject and return component */\n  main$.subscribe(main => internal$.next(main))\n  return header$\n    .pipe(\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  animationFrameScheduler\n} from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetHeaderTitleState,\n  setHeaderTitleState\n} from \"~/actions\"\nimport {\n  Viewport,\n  getElement,\n  getElementSize,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n  active: boolean                      /* User scrolled past first headline */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n  el: HTMLHeadingElement, { viewport$, header$ }: WatchOptions\n): Observable<HeaderTitle> {\n  return watchViewportAt(el, { header$, viewport$ })\n    .pipe(\n      map(({ offset: { y } }) => {\n        const { height } = getElementSize(el)\n        return {\n          active: y >= height\n        }\n      }),\n      distinctUntilKeyChanged(\"active\")\n    )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<HeaderTitle>> {\n  const internal$ = new Subject<HeaderTitle>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(({ active }) => {\n        if (active)\n          setHeaderTitleState(el, \"active\")\n        else\n          resetHeaderTitleState(el)\n      })\n\n  /* Obtain headline, if any */\n  const headline = getElement<HTMLHeadingElement>(\"article h1\")\n  if (typeof headline === \"undefined\")\n    return NEVER\n\n  /* Create and return component */\n  return watchHeaderTitle(headline, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest\n} from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  map,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchElementSize } from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n  offset: number                       /* Main area top offset */\n  height: number                       /* Main area visible height */\n  active: boolean                      /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Main> {\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(({ height }) => height),\n      distinctUntilChanged()\n    )\n\n  /* Compute the main area's top and bottom borders */\n  const border$ = adjust$\n    .pipe(\n      switchMap(() => watchElementSize(el)\n        .pipe(\n          map(({ height }) => ({\n            top:    el.offsetTop,\n            bottom: el.offsetTop + height\n          })),\n          distinctUntilKeyChanged(\"bottom\")\n        )\n      )\n    )\n\n  /* Compute the main area's offset, visible height and if we scrolled past */\n  return combineLatest([adjust$, border$, viewport$])\n    .pipe(\n      map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n        height = Math.max(0, height\n          - Math.max(0, top    - y,  header)\n          - Math.max(0, height + y - bottom)\n        )\n        return {\n          offset: top - header,\n          height,\n          active: top - header <= y\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.offset === b.offset &&\n        a.height === b.height &&\n        a.active === b.active\n      ))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport { Observable, Subject } from \"rxjs\"\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n  { alert$ }: SetupOptions\n): void {\n  if (ClipboardJS.isSupported()) {\n    new Observable<ClipboardJS.Event>(subscriber => {\n      new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\")\n        .on(\"success\", ev => subscriber.next(ev))\n    })\n      .subscribe(() => alert$.next(translation(\"clipboard.copied\")))\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  NEVER,\n  Observable,\n  Subject,\n  fromEvent,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  catchError,\n  concatMap,\n  debounceTime,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  map,\n  sample,\n  share,\n  skip,\n  skipUntil,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Viewport,\n  ViewportOffset,\n  createElement,\n  getElement,\n  getElements,\n  replaceElement,\n  request,\n  requestXML,\n  setLocation,\n  setLocationHash,\n  setViewportOffset\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\nexport interface HistoryState {\n  url: URL                             /* State URL */\n  offset?: ViewportOffset              /* State viewport offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  document$: Subject<Document>         /* Document subject */\n  location$: Subject<URL>              /* Location subject */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Preprocess a list of URLs\n *\n * This function replaces the `site_url` in the sitemap with the actual base\n * URL, to allow instant loading to work in occasions like Netlify previews.\n *\n * @param urls - URLs\n *\n * @returns Processed URLs\n */\nfunction preprocess(urls: string[]): string[] {\n  if (urls.length < 2)\n    return urls\n\n  /* Take the first two URLs and remove everything after the last slash */\n  const [root, next] = urls\n    .sort((a, b) => a.length - b.length)\n    .map(url => url.replace(/[^/]+$/, \"\"))\n\n  /* Compute common prefix */\n  let index = 0\n  if (root === next)\n    index = root.length\n  else\n    while (root.charCodeAt(index) === next.charCodeAt(index))\n      index++\n\n  /* Replace common prefix (i.e. base) with effective base */\n  const config = configuration()\n  return urls.map(url => (\n    url.replace(root.slice(0, index), `${config.base}/`)\n  ))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n  { document$, location$, viewport$ }: SetupOptions\n): void {\n  const config = configuration()\n  if (location.protocol === \"file:\")\n    return\n\n  /* Disable automatic scroll restoration */\n  if (\"scrollRestoration\" in history) {\n    history.scrollRestoration = \"manual\"\n\n    /* Hack: ensure that reloads restore viewport offset */\n    fromEvent(window, \"beforeunload\")\n      .subscribe(() => {\n        history.scrollRestoration = \"auto\"\n      })\n  }\n\n  /* Hack: ensure absolute favicon link to omit 404s when switching */\n  const favicon = getElement<HTMLLinkElement>(\"link[rel=icon]\")\n  if (typeof favicon !== \"undefined\")\n    favicon.href = favicon.href\n\n  /* Intercept internal navigation */\n  const push$ = requestXML(`${config.base}/sitemap.xml`)\n    .pipe(\n      map(sitemap => preprocess(getElements(\"loc\", sitemap)\n        .map(node => node.textContent!)\n      )),\n      switchMap(urls => fromEvent<MouseEvent>(document.body, \"click\")\n        .pipe(\n          filter(ev => !ev.metaKey && !ev.ctrlKey),\n          switchMap(ev => {\n\n            /* Handle HTML and SVG elements */\n            if (ev.target instanceof Element) {\n              const el = ev.target.closest(\"a\")\n              if (el && !el.target && urls.includes(el.href)) {\n                ev.preventDefault()\n                return of({\n                  url: new URL(el.href)\n                })\n              }\n            }\n            return NEVER\n          })\n        )\n      ),\n      share<HistoryState>()\n    )\n\n  /* Intercept history back and forward */\n  const pop$ = fromEvent<PopStateEvent>(window, \"popstate\")\n    .pipe(\n      filter(ev => ev.state !== null),\n      map(ev => ({\n        url: new URL(location.href),\n        offset: ev.state\n      })),\n      share<HistoryState>()\n    )\n\n  /* Emit location change */\n  merge(push$, pop$)\n    .pipe(\n      distinctUntilChanged((a, b) => a.url.href === b.url.href),\n      map(({ url }) => url)\n    )\n      .subscribe(location$)\n\n  /* Fetch document via `XMLHTTPRequest` */\n  const response$ = location$\n    .pipe(\n      distinctUntilKeyChanged(\"pathname\"),\n      switchMap(url => request(url.href)\n        .pipe(\n          catchError(() => {\n            setLocation(url)\n            return NEVER\n          })\n        )\n      ),\n      share()\n    )\n\n  /* Set new location via `history.pushState` */\n  push$\n    .pipe(\n      sample(response$)\n    )\n      .subscribe(({ url }) => {\n        history.pushState({}, \"\", url.toString())\n      })\n\n  /* Parse and emit fetched document */\n  const dom = new DOMParser()\n  response$\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/html\"))\n    )\n      .subscribe(document$)\n\n  /* Emit history state change */\n  merge(push$, pop$)\n    .pipe(\n      sample(document$)\n    )\n      .subscribe(({ url, offset }) => {\n        if (url.hash && !offset)\n          setLocationHash(url.hash)\n        else\n          setViewportOffset(offset || { y: 0 })\n      })\n\n  /* Replace meta tags and components */\n  document$\n    .pipe(\n      skip(1)\n    )\n      .subscribe(replacement => {\n        for (const selector of [\n\n          /* Meta tags */\n          \"title\",\n          \"link[rel='canonical']\",\n          \"meta[name='author']\",\n          \"meta[name='description']\",\n\n          /* Components */\n          \"[data-md-component=announce]\",\n          \"[data-md-component=header-topic]\",\n          \"[data-md-component=container]\",\n          \"[data-md-component=logo], .md-logo\", // compat\n          \"[data-md-component=skip]\"\n        ]) {\n          const source = getElement(selector)\n          const target = getElement(selector, replacement)\n          if (\n            typeof source !== \"undefined\" &&\n            typeof target !== \"undefined\"\n          ) {\n            replaceElement(source, target)\n          }\n        }\n      })\n\n  /* Re-evaluate scripts */\n  document$\n    .pipe(\n      skip(1),\n      map(() => getComponentElement(\"container\")),\n      switchMap(el => of(...getElements(\"script\", el))),\n      concatMap(el => {\n        const script = createElement(\"script\")\n        if (el.src) {\n          for (const name of el.getAttributeNames())\n            script.setAttribute(name, el.getAttribute(name)!)\n          replaceElement(el, script)\n\n          /* Complete when script is loaded */\n          return new Observable(observer => {\n            script.onload = () => observer.complete()\n          })\n\n        /* Complete immediately */\n        } else {\n          script.textContent = el.textContent\n          replaceElement(el, script)\n          return EMPTY\n        }\n      })\n    )\n      .subscribe()\n\n  /* Debounce update of viewport offset */\n  viewport$\n    .pipe(\n      skipUntil(push$),\n      debounceTime(250),\n      distinctUntilKeyChanged(\"offset\")\n    )\n      .subscribe(({ offset }) => {\n        history.replaceState(offset, \"\")\n      })\n\n  /* Set viewport offset from history */\n  merge(push$, pop$)\n    .pipe(\n      bufferCount(2, 1),\n      filter(([a, b]) => a.url.pathname === b.url.pathname),\n      map(([, state]) => state)\n    )\n      .subscribe(({ offset }) => {\n        setViewportOffset(offset || { y: 0 })\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n  parent?: SearchIndexDocument         /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map<string, SearchDocument>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n  docs: SearchIndexDocument[]\n): SearchDocumentMap {\n  const documents = new Map<string, SearchDocument>()\n  const parents   = new Set<SearchDocument>()\n  for (const doc of docs) {\n    const [path, hash] = doc.location.split(\"#\")\n\n    /* Extract location and title */\n    const location = doc.location\n    const title    = doc.title\n\n    /* Escape and cleanup text */\n    const text = escapeHTML(doc.text)\n      .replace(/\\s+(?=[,.:;!?])/g, \"\")\n      .replace(/\\s+/g, \" \")\n\n    /* Handle section */\n    if (hash) {\n      const parent = documents.get(path)!\n\n      /* Ignore first section, override article */\n      if (!parents.has(parent)) {\n        parent.title = doc.title\n        parent.text  = text\n\n        /* Remember that we processed the article */\n        parents.add(parent)\n\n      /* Add subsequent section */\n      } else {\n        documents.set(location, {\n          location,\n          title,\n          text,\n          parent\n        })\n      }\n\n    /* Add article */\n    } else {\n      documents.set(location, {\n        location,\n        title,\n        text\n      })\n    }\n  }\n  return documents\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @returns Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Search for terms in quotation marks and prepend a `+` modifier to denote\n *    that the resulting document must contain all terms, converting the query\n *    to an `AND` query (as opposed to the default `OR` behavior). While users\n *    may expect terms enclosed in quotation marks to map to span queries, i.e.\n *    for which order is important, Lunr.js doesn't support them, so the best\n *    we can do is to convert the terms to an `AND` query.\n *\n * 2. Replace control characters which are not located at the beginning of the\n *    query or preceded by white space, or are not followed by a non-whitespace\n *    character or are at the end of the query string. Furthermore, filter\n *    unmatched quotation marks.\n *\n * 3. Trim excess whitespace from left and right.\n *\n * @param query - Query value\n *\n * @returns Transformed query value\n */\nexport function defaultTransform(query: string): string {\n  return query\n    .split(/\"([^\"]+)\"/g)                            /* => 1 */\n      .map((terms, index) => index & 1\n        ? terms.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n        : terms\n      )\n      .join(\"\")\n    .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\") /* => 2 */\n    .trim()                                         /* => 3 */\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n  SETUP,                               /* Search index setup */\n  READY,                               /* Search index ready */\n  QUERY,                               /* Search query */\n  RESULT                               /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n  type: SearchMessageType.SETUP        /* Message type */\n  data: SearchIndex                    /* Message data */\n}\n\n/**\n * A message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n  type: SearchMessageType.READY        /* Message type */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n  type: SearchMessageType.QUERY        /* Message type */\n  data: string                         /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n  type: SearchMessageType.RESULT       /* Message type */\n  data: SearchResult[]                 /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n  | SearchSetupMessage\n  | SearchReadyMessage\n  | SearchQueryMessage\n  | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n  message: SearchMessage\n): message is SearchSetupMessage {\n  return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n  message: SearchMessage\n): message is SearchReadyMessage {\n  return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n  message: SearchMessage\n): message is SearchQueryMessage {\n  return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n  message: SearchMessage\n): message is SearchResultMessage {\n  return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ObservableInput, Subject, from } from \"rxjs\"\nimport { map, share } from \"rxjs/operators\"\n\nimport { configuration, translation } from \"~/_\"\nimport { WorkerHandler, watchWorker } from \"~/browser\"\n\nimport { SearchIndex, SearchIndexPipeline } from \"../../_\"\nimport {\n  SearchMessage,\n  SearchMessageType,\n  SearchSetupMessage,\n  isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search worker\n */\nexport type SearchWorker = WorkerHandler<SearchMessage>\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @returns Search index\n */\nfunction setupSearchIndex(\n  { config, docs, index }: SearchIndex\n): SearchIndex {\n\n  /* Override default language with value from translation */\n  if (config.lang.length === 1 && config.lang[0] === \"en\")\n    config.lang = [\n      translation(\"search.config.lang\")\n    ]\n\n  /* Override default separator with value from translation */\n  if (config.separator === \"[\\\\s\\\\-]+\")\n    config.separator = translation(\"search.config.separator\")\n\n  /* Set pipeline from translation */\n  const pipeline = translation(\"search.config.pipeline\")\n    .split(/\\s*,\\s*/)\n    .filter(Boolean) as SearchIndexPipeline\n\n  /* Return search index after defaulting */\n  return { config, docs, index, pipeline }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates a web worker to set up and query the search index,\n * which is done using Lunr.js. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param index - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n  url: string, index: ObservableInput<SearchIndex>\n): SearchWorker {\n  const config = configuration()\n  const worker = new Worker(url)\n\n  /* Create communication channels and resolve relative links */\n  const tx$ = new Subject<SearchMessage>()\n  const rx$ = watchWorker(worker, { tx$ })\n    .pipe(\n      map(message => {\n        if (isSearchResultMessage(message)) {\n          for (const result of message.data)\n            for (const document of result)\n              document.location = `${config.base}/${document.location}`\n        }\n        return message\n      }),\n      share()\n    )\n\n  /* Set up search index */\n  from(index)\n    .pipe(\n      map<SearchIndex, SearchSetupMessage>(data => ({\n        type: SearchMessageType.SETUP,\n        data: setupSearchIndex(data)\n      }))\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Return search worker */\n  return { tx$, rx$ }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\nimport { getElementOrThrow, requestJSON } from \"~/browser\"\nimport { Version, renderVersionSelector } from \"~/templates\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n */\nexport function setupVersionSelector(): void {\n  const config = configuration()\n  requestJSON<Version[]>(new URL(\"versions.json\", config.base))\n    .subscribe(versions => {\n      const topic = getElementOrThrow(\".md-header__topic\")\n      topic.appendChild(renderVersionSelector(versions))\n    })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  combineLatest,\n  fromEvent,\n  merge\n} from \"rxjs\"\nimport {\n  delay,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  takeLast,\n  takeUntil,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetSearchQueryPlaceholder,\n  setSearchQueryPlaceholder\n} from \"~/actions\"\nimport {\n  setElementFocus,\n  setToggle,\n  watchElementFocus\n} from \"~/browser\"\nimport {\n  SearchMessageType,\n  SearchQueryMessage,\n  SearchWorker,\n  defaultTransform\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n  value: string                        /* Query value */\n  focus: boolean                       /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n  el: HTMLInputElement\n): Observable<SearchQuery> {\n  const fn = __search?.transform || defaultTransform\n\n  /* Intercept focus and input events */\n  const focus$ = watchElementFocus(el)\n  const value$ = merge(\n    fromEvent(el, \"keyup\"),\n    fromEvent(el, \"focus\").pipe(delay(1))\n  )\n    .pipe(\n      map(() => fn(el.value)),\n      distinctUntilChanged()\n    )\n\n  /* Combine into single observable */\n  return combineLatest([value$, focus$])\n    .pipe(\n      map(([value, focus]) => ({ value, focus }))\n    )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n  el: HTMLInputElement, { tx$ }: SearchWorker\n): Observable<Component<SearchQuery, HTMLInputElement>> {\n  const internal$ = new Subject<SearchQuery>()\n\n  /* Handle value changes */\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"value\"),\n      map(({ value }): SearchQueryMessage => ({\n        type: SearchMessageType.QUERY,\n        data: value\n      }))\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Handle focus changes */\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"focus\")\n    )\n      .subscribe(({ focus }) => {\n        if (focus) {\n          setToggle(\"search\", focus)\n          setSearchQueryPlaceholder(el, \"\")\n        } else {\n          resetSearchQueryPlaceholder(el)\n        }\n      })\n\n  /* Handle reset */\n  fromEvent(el.form!, \"reset\")\n    .pipe(\n      takeUntil(internal$.pipe(takeLast(1)))\n    )\n      .subscribe(() => setElementFocus(el))\n\n  /* Create and return component */\n  return watchSearchQuery(el)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  filter,\n  finalize,\n  map,\n  observeOn,\n  startWith,\n  switchMap,\n  tap,\n  withLatestFrom,\n  zipWith\n} from \"rxjs/operators\"\n\nimport {\n  addToSearchResultList,\n  resetSearchResultList,\n  resetSearchResultMeta,\n  setSearchResultMeta\n} from \"~/actions\"\nimport {\n  getElementOrThrow,\n  watchElementThreshold\n} from \"~/browser\"\nimport {\n  SearchResult as SearchResultData,\n  SearchWorker,\n  isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResult } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n  data: SearchResultData[]             /* Search result data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n  el: HTMLElement, { rx$ }: SearchWorker, { query$ }: MountOptions\n): Observable<Component<SearchResult>> {\n  const internal$ = new Subject<SearchResult>()\n  const boundary$ = watchElementThreshold(el.parentElement!)\n    .pipe(\n      filter(Boolean)\n    )\n\n  /* Update search result metadata */\n  const meta = getElementOrThrow(\":scope > :first-child\", el)\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      withLatestFrom(query$)\n    )\n      .subscribe(([{ data }, { value }]) => {\n        if (value)\n          setSearchResultMeta(meta, data.length)\n        else\n          resetSearchResultMeta(meta)\n      })\n\n  /* Update search result list */\n  const list = getElementOrThrow(\":scope > :last-child\", el)\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      tap(() => resetSearchResultList(list)),\n      switchMap(({ data }) => merge(\n        of(...data.slice(0, 10)),\n        of(...data.slice(10))\n          .pipe(\n            bufferCount(4),\n            zipWith(boundary$),\n            switchMap(([chunk]) => of(...chunk))\n          )\n      ))\n    )\n      .subscribe(result => {\n        addToSearchResultList(list, renderSearchResult(result))\n      })\n\n  /* Filter search result list */\n  const result$ = rx$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => ({ data })),\n      startWith({ data: [] })\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, ObservableInput, merge } from \"rxjs\"\nimport { filter, sample, take } from \"rxjs/operators\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Keyboard,\n  getActiveElement,\n  getElements,\n  setElementFocus,\n  setElementSelection,\n  setToggle\n} from \"~/browser\"\nimport {\n  SearchIndex,\n  isSearchQueryMessage,\n  isSearchReadyMessage,\n  setupSearchWorker\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\nimport { SearchQuery, mountSearchQuery } from \"../query\"\nimport { SearchResult, mountSearchResult } from \"../result\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n  | SearchQuery\n  | SearchResult\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n  el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable<Component<Search>> {\n  const config = configuration()\n  const worker = setupSearchWorker(config.search, index$)\n\n  /* Retrieve nested components */\n  const query  = getComponentElement(\"search-query\", el)\n  const result = getComponentElement(\"search-result\", el)\n\n  /* Re-emit query when search is ready */\n  const { tx$, rx$ } = worker\n  tx$\n    .pipe(\n      filter(isSearchQueryMessage),\n      sample(rx$.pipe(filter(isSearchReadyMessage))),\n      take(1)\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Set up search keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"search\")\n    )\n      .subscribe(key => {\n        const active = getActiveElement()\n        switch (key.type) {\n\n          /* Enter: prevent form submission */\n          case \"Enter\":\n            if (active === query)\n              key.claim()\n            break\n\n          /* Escape or Tab: close search */\n          case \"Escape\":\n          case \"Tab\":\n            setToggle(\"search\", false)\n            setElementFocus(query, false)\n            break\n\n          /* Vertical arrows: select previous or next search result */\n          case \"ArrowUp\":\n          case \"ArrowDown\":\n            if (typeof active === \"undefined\") {\n              setElementFocus(query)\n            } else {\n              const els = [query, ...getElements(\n                \":not(details) > [href], summary, details[open] [href]\",\n                result\n              )]\n              const i = Math.max(0, (\n                Math.max(0, els.indexOf(active)) + els.length + (\n                  key.type === \"ArrowUp\" ? -1 : +1\n                )\n              ) % els.length)\n              setElementFocus(els[i])\n            }\n\n            /* Prevent scrolling of page */\n            key.claim()\n            break\n\n          /* All other keys: hand to search query */\n          default:\n            if (query !== getActiveElement())\n              setElementFocus(query)\n        }\n      })\n\n  /* Set up global keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"global\"),\n    )\n      .subscribe(key => {\n        switch (key.type) {\n\n          /* Open search and select query */\n          case \"f\":\n          case \"s\":\n          case \"/\":\n            setElementFocus(query)\n            setElementSelection(query)\n            key.claim()\n            break\n        }\n      })\n\n  /* Create and return component */\n  const query$ = mountSearchQuery(query, worker)\n  return merge(\n    query$,\n    mountSearchResult(result, worker, { query$ })\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest\n} from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  finalize,\n  map,\n  observeOn,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n  resetSidebarHeight,\n  resetSidebarOffset,\n  setSidebarHeight,\n  setSidebarOffset\n} from \"~/actions\"\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n  height: number                       /* Sidebar height */\n  locked: boolean                      /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n  el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable<Sidebar> {\n  const adjust =\n    el.parentElement!.offsetTop -\n    el.parentElement!.parentElement!.offsetTop\n\n  /* Compute the sidebar's available height and if it should be locked */\n  return combineLatest([main$, viewport$])\n    .pipe(\n      map(([{ offset, height }, { offset: { y } }]) => {\n        height = height\n          + Math.min(adjust, Math.max(0, y - offset))\n          - adjust\n        return {\n          height,\n          locked: y >= offset + adjust\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.locked === b.locked\n      ))\n    )\n}\n\n/**\n * Mount sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n  el: HTMLElement, { header$, ...options }: MountOptions\n): Observable<Component<Sidebar>> {\n  const internal$ = new Subject<Sidebar>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      withLatestFrom(header$)\n    )\n      .subscribe({\n\n        /* Update height and offset */\n        next([{ height }, { height: offset }]) {\n          setSidebarHeight(el, height)\n          setSidebarOffset(el, offset)\n        },\n\n        /* Reset on complete */\n        complete() {\n          resetSidebarOffset(el)\n          resetSidebarHeight(el)\n        }\n      })\n\n  /* Create and return component */\n  return watchSidebar(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport { Observable } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\nimport { round } from \"~/utilities\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n  user: string, repo?: string\n): Observable<SourceFacts> {\n  const url = typeof repo !== \"undefined\"\n    ? `https://api.github.com/repos/${user}/${repo}`\n    : `https://api.github.com/users/${user}`\n  return requestJSON<Repo & User>(url)\n    .pipe(\n      map(data => {\n\n        /* GitHub repository */\n        if (typeof repo !== \"undefined\") {\n          const { stargazers_count, forks_count }: Repo = data\n          return [\n            `${round(stargazers_count!)} Stars`,\n            `${round(forks_count!)} Forks`\n          ]\n\n        /* GitHub user/organization */\n        } else {\n          const { public_repos }: User = data\n          return [\n            `${round(public_repos!)} Repositories`\n          ]\n        }\n      }),\n      defaultIfEmpty([])\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport { Observable } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\nimport { round } from \"~/utilities\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n  base: string, project: string\n): Observable<SourceFacts> {\n  const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n  return requestJSON<ProjectSchema>(url)\n    .pipe(\n      map(({ star_count, forks_count }) => ([\n        `${round(star_count)} Stars`,\n        `${round(forks_count)} Forks`\n      ])),\n      defaultIfEmpty([])\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts = string[]\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n  url: string\n): Observable<SourceFacts> {\n  const [type] = url.match(/(git(?:hub|lab))/i) || []\n  switch (type.toLowerCase()) {\n\n    /* GitHub repository */\n    case \"github\":\n      const [, user, repo] = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)!\n      return fetchSourceFactsFromGitHub(user, repo)\n\n    /* GitLab repository */\n    case \"gitlab\":\n      const [, base, slug] = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)!\n      return fetchSourceFactsFromGitLab(base, slug)\n\n    /* Everything else */\n    default:\n      return NEVER\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, Subject, defer, of } from \"rxjs\"\nimport {\n  catchError,\n  filter,\n  finalize,\n  map,\n  shareReplay,\n  tap\n} from \"rxjs/operators\"\n\nimport { setSourceFacts, setSourceState } from \"~/actions\"\nimport { renderSourceFacts } from \"~/templates\"\nimport { digest } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\nimport { SourceFacts, fetchSourceFacts } from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n  facts: SourceFacts                   /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable<Source>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n  el: HTMLAnchorElement\n): Observable<Source> {\n  return fetch$ ||= defer(() => {\n    const data = sessionStorage.getItem(digest(\"__repo\"))\n    if (data) {\n      return of<SourceFacts>(JSON.parse(data))\n    } else {\n      const value$ = fetchSourceFacts(el.href)\n      value$.subscribe(value => {\n        try {\n          sessionStorage.setItem(digest(\"__repo\"), JSON.stringify(value))\n        } catch (err) {\n          /* Uncritical, just swallow */\n        }\n      })\n\n      /* Return value */\n      return value$\n    }\n  })\n    .pipe(\n      catchError(() => NEVER),\n      filter(facts => facts.length > 0),\n      map(facts => ({ facts })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n  el: HTMLAnchorElement\n): Observable<Component<Source>> {\n  const internal$ = new Subject<Source>()\n  internal$.subscribe(({ facts }) => {\n    setSourceFacts(el, renderSourceFacts(facts))\n    setSourceState(el, \"done\")\n  })\n\n  /* Create and return component */\n  return watchSource(el)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, animationFrameScheduler } from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  tap\n} from \"rxjs/operators\"\n\nimport { resetTabsState, setTabsState } from \"~/actions\"\nimport { Viewport, watchViewportAt } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n  hidden: boolean                      /* User scrolled past tabs */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Tabs> {\n  return watchViewportAt(el, { header$, viewport$ })\n    .pipe(\n      map(({ offset: { y } }) => {\n        return {\n          hidden: y >= 10\n        }\n      }),\n      distinctUntilKeyChanged(\"hidden\")\n    )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Tabs>> {\n  const internal$ = new Subject<Tabs>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe({\n\n        /* Update state */\n        next({ hidden }) {\n          if (hidden)\n            setTabsState(el, \"hidden\")\n          else\n            resetTabsState(el)\n        },\n\n        /* Reset on complete */\n        complete() {\n          resetTabsState(el)\n        }\n      })\n\n  /* Create and return component */\n  return watchTabs(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest\n} from \"rxjs\"\nimport {\n  bufferCount,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  scan,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetAnchorActive,\n  resetAnchorState,\n  setAnchorActive,\n  setAnchorState\n} from \"~/actions\"\nimport {\n  Viewport,\n  getElement,\n  getElements,\n  watchElementSize\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n  prev: HTMLAnchorElement[][]          /* Anchors (previous) */\n  next: HTMLAnchorElement[][]          /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param anchors - Anchor elements\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n  anchors: HTMLAnchorElement[], { viewport$, header$ }: WatchOptions\n): Observable<TableOfContents> {\n  const table = new Map<HTMLAnchorElement, HTMLElement>()\n  for (const anchor of anchors) {\n    const id = decodeURIComponent(anchor.hash.substring(1))\n    const target = getElement(`[id=\"${id}\"]`)\n    if (typeof target !== \"undefined\")\n      table.set(anchor, target)\n  }\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(header => 24 + header.height)\n    )\n\n  /* Compute partition of previous and next anchors */\n  const partition$ = watchElementSize(document.body)\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n\n      /* Build index to map anchor paths to vertical offsets */\n      map(() => {\n        let path: HTMLAnchorElement[] = []\n        return [...table].reduce((index, [anchor, target]) => {\n          while (path.length) {\n            const last = table.get(path[path.length - 1])!\n            if (last.tagName >= target.tagName) {\n              path.pop()\n            } else {\n              break\n            }\n          }\n\n          /* If the current anchor is hidden, continue with its parent */\n          let offset = target.offsetTop\n          while (!offset && target.parentElement) {\n            target = target.parentElement\n            offset = target.offsetTop\n          }\n\n          /* Map reversed anchor path to vertical offset */\n          return index.set(\n            [...path = [...path, anchor]].reverse(),\n            offset\n          )\n        }, new Map<HTMLAnchorElement[], number>())\n      }),\n\n      /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n      map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n\n      /* Re-compute partition when viewport offset changes */\n      switchMap(index => combineLatest([adjust$, viewport$])\n        .pipe(\n          scan(([prev, next], [adjust, { offset: { y } }]) => {\n\n            /* Look forward */\n            while (next.length) {\n              const [, offset] = next[0]\n              if (offset - adjust < y) {\n                prev = [...prev, next.shift()!]\n              } else {\n                break\n              }\n            }\n\n            /* Look backward */\n            while (prev.length) {\n              const [, offset] = prev[prev.length - 1]\n              if (offset - adjust >= y) {\n                next = [prev.pop()!, ...next]\n              } else {\n                break\n              }\n            }\n\n            /* Return partition */\n            return [prev, next]\n          }, [[], [...index]]),\n          distinctUntilChanged((a, b) => (\n            a[0] === b[0] &&\n            a[1] === b[1]\n          ))\n        )\n      )\n    )\n\n  /* Compute and return anchor list migrations */\n  return partition$\n    .pipe(\n      map(([prev, next]) => ({\n        prev: prev.map(([path]) => path),\n        next: next.map(([path]) => path)\n      })),\n\n      /* Extract anchor list migrations */\n      startWith({ prev: [], next: [] }),\n      bufferCount(2, 1),\n      map(([a, b]) => {\n\n        /* Moving down */\n        if (a.prev.length < b.prev.length) {\n          return {\n            prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n            next: []\n          }\n\n        /* Moving up */\n        } else {\n          return {\n            prev: b.prev.slice(-1),\n            next: b.next.slice(0, b.next.length - a.next.length)\n          }\n        }\n      })\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Anchor list element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<TableOfContents>> {\n  const internal$ = new Subject<TableOfContents>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n    )\n      .subscribe(({ prev, next }) => {\n\n        /* Look forward */\n        for (const [anchor] of next) {\n          resetAnchorActive(anchor)\n          resetAnchorState(anchor)\n        }\n\n        /* Look backward */\n        for (const [index, [anchor]] of prev.entries()) {\n          setAnchorActive(anchor, index === prev.length - 1)\n          setAnchorState(anchor, \"blur\")\n        }\n      })\n\n  /* Create and return component */\n  const anchors = getElements<HTMLAnchorElement>(\"[href^=\\\\#]\", el)\n  return watchTableOfContents(anchors, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n  mapTo,\n  mergeMap,\n  switchMap,\n  takeWhile,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  tablet$: Observable<boolean>         /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n  { document$, tablet$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => of(...getElements<HTMLInputElement>(\n        \"[data-md-state=indeterminate]\"\n      ))),\n      tap(el => {\n        el.indeterminate = true\n        el.checked = false\n      }),\n      mergeMap(el => fromEvent(el, \"change\")\n        .pipe(\n          takeWhile(() => el.hasAttribute(\"data-md-state\")),\n          mapTo(el)\n        )\n      ),\n      withLatestFrom(tablet$)\n    )\n      .subscribe(([el, tablet]) => {\n        el.removeAttribute(\"data-md-state\")\n        if (tablet)\n          el.checked = false\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n  filter,\n  mapTo,\n  mergeMap,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n  return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n  { document$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => of(...getElements(\"[data-md-scrollfix]\"))),\n      tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n      filter(isAppleDevice),\n      mergeMap(el => fromEvent(el, \"touchstart\")\n        .pipe(\n          mapTo(el)\n        )\n      )\n    )\n      .subscribe(el => {\n        const top = el.scrollTop\n\n        /* We're at the top of the container */\n        if (top === 0) {\n          el.scrollTop = 1\n\n        /* We're at the bottom of the container */\n        } else if (top + el.offsetHeight === el.scrollHeight) {\n          el.scrollTop = top - 1\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  combineLatest,\n  of\n} from \"rxjs\"\nimport {\n  delay,\n  map,\n  observeOn,\n  switchMap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetScrollLock, setScrollLock } from \"~/actions\"\nimport { Viewport, watchToggle } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  tablet$: Observable<boolean>         /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n  { viewport$, tablet$ }: PatchOptions\n): void {\n  combineLatest([watchToggle(\"search\"), tablet$])\n    .pipe(\n      map(([active, tablet]) => active && !tablet),\n      switchMap(active => of(active)\n        .pipe(\n          delay(active ? 400 : 100),\n          observeOn(animationFrameScheduler)\n        )\n      ),\n      withLatestFrom(viewport$)\n    )\n      .subscribe(([active, { offset: { y }}]) => {\n        if (active)\n          setScrollLock(document.body, y)\n        else\n          resetScrollLock(document.body)\n      })\n}\n"],
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Otherwise, the modality is not keyboard.\n     * Apply `focus-visible` to any current active element and keep track\n     * of our keyboard modality state with `hadKeyboardEvent`.\n     * @param {KeyboardEvent} e\n     */\n    function onKeyDown(e) {\n      if (e.metaKey || e.altKey || e.ctrlKey) {\n        return;\n      }\n\n      if (isValidFocusTarget(scope.activeElement)) {\n        addFocusVisibleClass(scope.activeElement);\n      }\n\n      hadKeyboardEvent = true;\n    }\n\n    /**\n     * If at any point a user clicks with a pointing device, ensure that we change\n     * the modality away from keyboard.\n     * This avoids the situation where a user presses a key on an already focused\n     * element, and then clicks on a different element, focusing it with a\n     * pointing device, while we still think we're in keyboard modality.\n     * @param {Event} e\n     */\n    function onPointerDown(e) {\n      hadKeyboardEvent = false;\n    }\n\n    /**\n     * On `focus`, add the `focus-visible` class to the target if:\n     * - the target received focus as a result of keyboard navigation, or\n     * - the event target is an element that will likely require interaction\n     *   via the keyboard (e.g. a text box)\n     * @param {Event} e\n     */\n    function onFocus(e) {\n      // Prevent IE from focusing the document or HTML element.\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n        addFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * On `blur`, remove the `focus-visible` class from the target.\n     * @param {Event} e\n     */\n    function onBlur(e) {\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (\n        e.target.classList.contains('focus-visible') ||\n        e.target.hasAttribute('data-focus-visible-added')\n      ) {\n        // To detect a tab/window switch, we look for a blur event followed\n        // rapidly by a visibility change.\n        // If we don't see a visibility change within 100ms, it's probably a\n        // regular focus change.\n        hadFocusVisibleRecently = true;\n        window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n        hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n          hadFocusVisibleRecently = false;\n        }, 100);\n        removeFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * If the user changes tabs, keep track of whether or not the previously\n     * focused element had .focus-visible.\n     * @param {Event} e\n     */\n    function onVisibilityChange(e) {\n      if (document.visibilityState === 'hidden') {\n        // If the tab becomes active again, the browser will handle calling focus\n        // on the element (Safari actually calls it twice).\n        // If this tab change caused a blur on an element with focus-visible,\n        // re-apply the class when the user switches back to the tab.\n        if (hadFocusVisibleRecently) {\n          hadKeyboardEvent = true;\n        }\n        addInitialPointerMoveListeners();\n      }\n    }\n\n    /**\n     * Add a group of listeners to detect usage of any pointing devices.\n     * These listeners will be added when the polyfill first loads, and anytime\n     * the window is blurred, so that they are active when the window regains\n     * focus.\n     */\n    function addInitialPointerMoveListeners() {\n      document.addEventListener('mousemove', onInitialPointerMove);\n      document.addEventListener('mousedown', onInitialPointerMove);\n      document.addEventListener('mouseup', onInitialPointerMove);\n      document.addEventListener('pointermove', onInitialPointerMove);\n      document.addEventListener('pointerdown', onInitialPointerMove);\n      document.addEventListener('pointerup', onInitialPointerMove);\n      document.addEventListener('touchmove', onInitialPointerMove);\n      document.addEventListener('touchstart', onInitialPointerMove);\n      document.addEventListener('touchend', onInitialPointerMove);\n    }\n\n    function removeInitialPointerMoveListeners() {\n      document.removeEventListener('mousemove', onInitialPointerMove);\n      document.removeEventListener('mousedown', onInitialPointerMove);\n      document.removeEventListener('mouseup', onInitialPointerMove);\n      document.removeEventListener('pointermove', onInitialPointerMove);\n      document.removeEventListener('pointerdown', onInitialPointerMove);\n      document.removeEventListener('pointerup', onInitialPointerMove);\n      document.removeEventListener('touchmove', onInitialPointerMove);\n      document.removeEventListener('touchstart', onInitialPointerMove);\n      document.removeEventListener('touchend', onInitialPointerMove);\n    }\n\n    /**\n     * When the polfyill first loads, assume the user is in keyboard modality.\n     * If any event is received from a pointing device (e.g. mouse, pointer,\n     * touch), turn off keyboard modality.\n     * This accounts for situations where focus enters the page from the URL bar.\n     * @param {Event} e\n     */\n    function onInitialPointerMove(e) {\n      // Work around a Safari quirk that fires a mousemove on <html> whenever the\n      // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n      if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n        return;\n      }\n\n      hadKeyboardEvent = false;\n      removeInitialPointerMoveListeners();\n    }\n\n    // For some kinds of state, we are interested in changes at the global scope\n    // only. 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'success' : 'error', {\n        action: this.action,\n        text: this.selectedText,\n        trigger: this.trigger,\n        clearSelection: this.clearSelection.bind(this)\n      });\n    }\n    /**\n     * Moves focus away from `target` and back to the trigger, removes current selection.\n     */\n\n  }, {\n    key: \"clearSelection\",\n    value: function clearSelection() {\n      if (this.trigger) {\n        this.trigger.focus();\n      }\n\n      document.activeElement.blur();\n      window.getSelection().removeAllRanges();\n    }\n    /**\n     * Sets the `action` to be performed which can be either 'copy' or 'cut'.\n     * @param {String} action\n     */\n\n  }, {\n    key: \"destroy\",\n\n    /**\n     * Destroy lifecycle.\n     */\n    value: function destroy() {\n      this.removeFake();\n    }\n  }, {\n    key: \"action\",\n    set: function set() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';\n      this._action = action;\n\n      if (this._action !== 'copy' && this._action !== 'cut') {\n        throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n      }\n    }\n    /**\n     * Gets the `action` property.\n     * @return {String}\n     */\n    ,\n    get: function get() {\n      return this._action;\n    }\n    /**\n     * Sets the `target` property using an element\n     * that will be have its content copied.\n     * @param {Element} target\n     */\n\n  }, {\n    key: \"target\",\n    set: function set(target) {\n      if (target !== undefined) {\n        if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n          if (this.action === 'copy' && target.hasAttribute('disabled')) {\n            throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n          }\n\n          if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n            throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n          }\n\n          this._target = target;\n        } else {\n          throw new Error('Invalid \"target\" value, use a valid Element');\n        }\n      }\n    }\n    /**\n     * Gets the `target` property.\n     * @return {String|HTMLElement}\n     */\n    ,\n    get: function get() {\n      return this._target;\n    }\n  }]);\n\n  return ClipboardAction;\n}();\n\n/* harmony default export */ var clipboard_action = (ClipboardAction);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction clipboard_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction clipboard_createClass(Constructor, protoProps, staticProps) { if (protoProps) clipboard_defineProperties(Constructor.prototype, protoProps); if (staticProps) clipboard_defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n  var attribute = \"data-clipboard-\".concat(suffix);\n\n  if (!element.hasAttribute(attribute)) {\n    return;\n  }\n\n  return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n  _inherits(Clipboard, _Emitter);\n\n  var _super = _createSuper(Clipboard);\n\n  /**\n   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n   * @param {Object} options\n   */\n  function Clipboard(trigger, options) {\n    var _this;\n\n    clipboard_classCallCheck(this, Clipboard);\n\n    _this = _super.call(this);\n\n    _this.resolveOptions(options);\n\n    _this.listenClick(trigger);\n\n    return _this;\n  }\n  /**\n   * Defines if attributes would be resolved using internal setter functions\n   * or custom functions that were passed in the constructor.\n   * @param {Object} options\n   */\n\n\n  clipboard_createClass(Clipboard, [{\n    key: \"resolveOptions\",\n    value: function resolveOptions() {\n      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n      this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n    }\n    /**\n     * Adds a click event listener to the passed trigger.\n     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n     */\n\n  }, {\n    key: \"listenClick\",\n    value: function listenClick(trigger) {\n      var _this2 = this;\n\n      this.listener = listen_default()(trigger, 'click', function (e) {\n        return _this2.onClick(e);\n      });\n    }\n    /**\n     * Defines a new `ClipboardAction` on each click event.\n     * @param {Event} e\n     */\n\n  }, {\n    key: \"onClick\",\n    value: function onClick(e) {\n      var trigger = e.delegateTarget || e.currentTarget;\n\n      if (this.clipboardAction) {\n        this.clipboardAction = null;\n      }\n\n      this.clipboardAction = new clipboard_action({\n        action: this.action(trigger),\n        target: this.target(trigger),\n        text: this.text(trigger),\n        container: this.container,\n        trigger: trigger,\n        emitter: this\n      });\n    }\n    /**\n     * Default `action` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultAction\",\n    value: function defaultAction(trigger) {\n      return getAttributeValue('action', trigger);\n    }\n    /**\n     * Default `target` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultTarget\",\n    value: function defaultTarget(trigger) {\n      var selector = getAttributeValue('target', trigger);\n\n      if (selector) {\n        return document.querySelector(selector);\n      }\n    }\n    /**\n     * Returns the support of the given action, or all actions if no action is\n     * given.\n     * @param {String} [action]\n     */\n\n  }, {\n    key: \"defaultText\",\n\n    /**\n     * Default `text` lookup function.\n     * @param {Element} trigger\n     */\n    value: function defaultText(trigger) {\n      return getAttributeValue('text', trigger);\n    }\n    /**\n     * Destroy lifecycle.\n     */\n\n  }, {\n    key: \"destroy\",\n    value: function destroy() {\n      this.listener.destroy();\n\n      if (this.clipboardAction) {\n        this.clipboardAction.destroy();\n        this.clipboardAction = null;\n      }\n    }\n  }], [{\n    key: \"isSupported\",\n    value: function isSupported() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n      var actions = typeof action === 'string' ? [action] : action;\n      var support = !!document.queryCommandSupported;\n      actions.forEach(function (action) {\n        support = support && !!document.queryCommandSupported(action);\n      });\n      return support;\n    }\n  }]);\n\n  return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n    var proto = Element.prototype;\n\n    proto.matches = proto.matchesSelector ||\n                    proto.mozMatchesSelector ||\n                    proto.msMatchesSelector ||\n                    proto.oMatchesSelector ||\n                    proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n        if (typeof element.matches === 'function' &&\n            element.matches(selector)) {\n          return element;\n        }\n        element = element.parentNode;\n    }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n    var listenerFn = listener.apply(this, arguments);\n\n    element.addEventListener(type, listenerFn, useCapture);\n\n    return {\n        destroy: function() {\n            element.removeEventListener(type, listenerFn, useCapture);\n        }\n    }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n    // Handle the regular Element usage\n    if (typeof elements.addEventListener === 'function') {\n        return _delegate.apply(null, arguments);\n    }\n\n    // Handle Element-less usage, it defaults to global delegation\n    if (typeof type === 'function') {\n        // Use `document` as the first parameter, then apply arguments\n        // This is a short way to .unshift `arguments` without running into deoptimizations\n        return _delegate.bind(null, document).apply(null, arguments);\n    }\n\n    // Handle Selector-based usage\n    if (typeof elements === 'string') {\n        elements = document.querySelectorAll(elements);\n    }\n\n    // Handle Array-like based usage\n    return Array.prototype.map.call(elements, function (element) {\n        return _delegate(element, selector, type, callback, useCapture);\n    });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n    return function(e) {\n        e.delegateTarget = closest(e.target, selector);\n\n        if (e.delegateTarget) {\n            callback.call(element, e);\n        }\n    }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n    return value !== undefined\n        && value instanceof HTMLElement\n        && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return value !== undefined\n        && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n        && ('length' in value)\n        && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n    return typeof value === 'string'\n        || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n    if (!target && !type && !callback) {\n        throw new Error('Missing required arguments');\n    }\n\n    if (!is.string(type)) {\n        throw new TypeError('Second argument must be a String');\n    }\n\n    if (!is.fn(callback)) {\n        throw new TypeError('Third argument must be a Function');\n    }\n\n    if (is.node(target)) {\n        return listenNode(target, type, callback);\n    }\n    else if (is.nodeList(target)) {\n        return listenNodeList(target, type, callback);\n    }\n    else if (is.string(target)) {\n        return listenSelector(target, type, callback);\n    }\n    else {\n        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n    }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n    node.addEventListener(type, callback);\n\n    return {\n        destroy: function() {\n            node.removeEventListener(type, callback);\n        }\n    }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n    Array.prototype.forEach.call(nodeList, function(node) {\n        node.addEventListener(type, callback);\n    });\n\n    return {\n        destroy: function() {\n            Array.prototype.forEach.call(nodeList, function(node) {\n                node.removeEventListener(type, callback);\n            });\n        }\n    }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n    return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n    var selectedText;\n\n    if (element.nodeName === 'SELECT') {\n        element.focus();\n\n        selectedText = element.value;\n    }\n    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n        var isReadOnly = element.hasAttribute('readonly');\n\n        if (!isReadOnly) {\n            element.setAttribute('readonly', '');\n        }\n\n        element.select();\n        element.setSelectionRange(0, element.value.length);\n\n        if (!isReadOnly) {\n            element.removeAttribute('readonly');\n        }\n\n        selectedText = element.value;\n    }\n    else {\n        if (element.hasAttribute('contenteditable')) {\n            element.focus();\n        }\n\n        var selection = window.getSelection();\n        var range = document.createRange();\n\n        range.selectNodeContents(element);\n        selection.removeAllRanges();\n        selection.addRange(range);\n\n        selectedText = selection.toString();\n    }\n\n    return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n  // Keep this empty so it's easier to inherit from\n  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n  on: function (name, callback, ctx) {\n    var e = this.e || (this.e = {});\n\n    (e[name] || (e[name] = [])).push({\n      fn: callback,\n      ctx: ctx\n    });\n\n    return this;\n  },\n\n  once: function (name, callback, ctx) {\n    var self = this;\n    function listener () {\n      self.off(name, listener);\n      callback.apply(ctx, arguments);\n    };\n\n    listener._ = callback\n    return this.on(name, listener, ctx);\n  },\n\n  emit: function (name) {\n    var data = [].slice.call(arguments, 1);\n    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n    var i = 0;\n    var len = evtArr.length;\n\n    for (i; i < len; i++) {\n      evtArr[i].fn.apply(evtArr[i].ctx, data);\n    }\n\n    return this;\n  },\n\n  off: function (name, callback) {\n    var e = this.e || (this.e = {});\n    var evts = e[name];\n    var liveEvents = [];\n\n    if (evts && callback) {\n      for (var i = 0, len = evts.length; i < len; i++) {\n        if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n          liveEvents.push(evts[i]);\n      }\n    }\n\n    // Remove event from queue to prevent memory leak\n    // Suggested by https://github.com/lazd\n    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n    (liveEvents.length)\n      ? e[name] = liveEvents\n      : delete e[name];\n\n    return this;\n  }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(134);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param  {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n  var str = '' + string;\n  var match = matchHtmlRegExp.exec(str);\n\n  if (!match) {\n    return str;\n  }\n\n  var escape;\n  var html = '';\n  var index = 0;\n  var lastIndex = 0;\n\n  for (index = match.index; index < str.length; index++) {\n    switch (str.charCodeAt(index)) {\n      case 34: // \"\n        escape = '&quot;';\n        break;\n      case 38: // &\n        escape = '&amp;';\n        break;\n      case 39: // '\n        escape = '&#39;';\n        break;\n      case 60: // <\n        escape = '&lt;';\n        break;\n      case 62: // >\n        escape = '&gt;';\n        break;\n      default:\n        continue;\n    }\n\n    if (lastIndex !== index) {\n      html += str.substring(lastIndex, index);\n    }\n\n    lastIndex = index + 1;\n    html += escape;\n  }\n\n  return lastIndex !== index\n    ? html + str.substring(lastIndex, index)\n    : html;\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\nimport { NEVER, Subject, defer, merge } from \"rxjs\"\nimport {\n  delay,\n  filter,\n  map,\n  mergeWith,\n  shareReplay,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n  at,\n  getElement,\n  requestJSON,\n  setToggle,\n  watchDocument,\n  watchKeyboard,\n  watchLocation,\n  watchLocationTarget,\n  watchMedia,\n  watchPrint,\n  watchViewport\n} from \"./browser\"\nimport {\n  getComponentElement,\n  getComponentElements,\n  mountBackToTop,\n  mountContent,\n  mountDialog,\n  mountHeader,\n  mountHeaderTitle,\n  mountPalette,\n  mountSearch,\n  mountSidebar,\n  mountSource,\n  mountTableOfContents,\n  mountTabs,\n  watchHeader,\n  watchMain\n} from \"./components\"\nimport {\n  SearchIndex,\n  setupClipboardJS,\n  setupInstantLoading,\n  setupVersionSelector\n} from \"./integrations\"\nimport {\n  patchIndeterminate,\n  patchScrollfix,\n  patchScrolllock\n} from \"./patches\"\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$   = watchLocationTarget()\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$   = watchMedia(\"(min-width: 960px)\")\nconst screen$   = watchMedia(\"(min-width: 1220px)\")\nconst print$    = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n  ? __search?.index || requestJSON<SearchIndex>(\n    `${config.base}/search/search_index.json`\n  )\n  : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject<string>()\nsetupClipboardJS({ alert$ })\n\n/* Set up instant loading, if enabled */\nif (feature(\"navigation.instant\"))\n  setupInstantLoading({ document$, location$, viewport$ })\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n  setupVersionSelector()\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n  .pipe(\n    delay(125)\n  )\n    .subscribe(() => {\n      setToggle(\"drawer\", false)\n      setToggle(\"search\", false)\n    })\n\n/* Set up global keyboard handlers */\nkeyboard$\n  .pipe(\n    filter(({ mode }) => mode === \"global\")\n  )\n    .subscribe(key => {\n      switch (key.type) {\n\n        /* Go to previous page */\n        case \"p\":\n        case \",\":\n          const prev = getElement(\"[href][rel=prev]\")\n          if (typeof prev !== \"undefined\")\n            prev.click()\n          break\n\n        /* Go to next page */\n        case \"n\":\n        case \".\":\n          const next = getElement(\"[href][rel=next]\")\n          if (typeof next !== \"undefined\")\n            next.click()\n          break\n      }\n    })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n  .pipe(\n    map(() => getComponentElement(\"main\")),\n    switchMap(el => watchMain(el, { viewport$, header$ })),\n    shareReplay(1)\n  )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n  /* Dialog */\n  ...getComponentElements(\"dialog\")\n    .map(el => mountDialog(el, { alert$ })),\n\n  /* Header */\n  ...getComponentElements(\"header\")\n    .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n  /* Color palette */\n  ...getComponentElements(\"palette\")\n    .map(el => mountPalette(el)),\n\n  /* Search */\n  ...getComponentElements(\"search\")\n    .map(el => mountSearch(el, { index$, keyboard$ })),\n\n  /* Repository information */\n  ...getComponentElements(\"source\")\n    .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n  /* Content */\n  ...getComponentElements(\"content\")\n    .map(el => mountContent(el, { target$, viewport$, print$ })),\n\n  /* Header title */\n  ...getComponentElements(\"header-title\")\n    .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n  /* Sidebar */\n  ...getComponentElements(\"sidebar\")\n    .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n      ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n      : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n    ),\n\n  /* Navigation tabs */\n  ...getComponentElements(\"tabs\")\n    .map(el => mountTabs(el, { viewport$, header$ })),\n\n  /* Table of contents */\n  ...getComponentElements(\"toc\")\n    .map(el => mountTableOfContents(el, { viewport$, header$ })),\n\n  /* Back-to-top button */\n  ...getComponentElements(\"top\")\n    .map(el => mountBackToTop(el, { viewport$, main$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n  .pipe(\n    switchMap(() => content$),\n    mergeWith(control$),\n    shareReplay(1)\n  )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$  = document$          /* Document observable */\nwindow.location$  = location$          /* Location subject */\nwindow.target$    = target$            /* Location target observable */\nwindow.keyboard$  = keyboard$          /* Keyboard observable */\nwindow.viewport$  = viewport$          /* Viewport observable */\nwindow.tablet$    = tablet$            /* Tablet observable */\nwindow.screen$    = screen$            /* Screen observable */\nwindow.print$     = print$             /* Print mode observable */\nwindow.alert$     = alert$             /* Alert subject */\nwindow.component$ = component$         /* Component observable */\n", "import tslib from '../tslib.js';\r\nconst {\r\n    __extends,\r\n    __assign,\r\n    __rest,\r\n    __decorate,\r\n    __param,\r\n    __metadata,\r\n    __awaiter,\r\n    __generator,\r\n    __exportStar,\r\n    __createBinding,\r\n    __values,\r\n    __read,\r\n    __spread,\r\n    __spreadArrays,\r\n    __spreadArray,\r\n    __await,\r\n    __asyncGenerator,\r\n    __asyncDelegator,\r\n    __asyncValues,\r\n    __makeTemplateObject,\r\n    __importStar,\r\n    __importDefault,\r\n    __classPrivateFieldGet,\r\n    __classPrivateFieldSet,\r\n} = tslib;\r\nexport {\r\n    __extends,\r\n    __assign,\r\n    __rest,\r\n    __decorate,\r\n    __param,\r\n    __metadata,\r\n    __awaiter,\r\n    __generator,\r\n    __exportStar,\r\n    __createBinding,\r\n    __values,\r\n    __read,\r\n    __spread,\r\n    __spreadArrays,\r\n    __spreadArray,\r\n    __await,\r\n    __asyncGenerator,\r\n    __asyncDelegator,\r\n    __asyncValues,\r\n    __makeTemplateObject,\r\n    __importStar,\r\n    __importDefault,\r\n    __classPrivateFieldGet,\r\n    __classPrivateFieldSet,\r\n};\r\n", null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ReplaySubject, Subject, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject<Document> {\n  const document$ = new ReplaySubject<Document>()\n  fromEvent(document, \"DOMContentLoaded\")\n    .pipe(\n      mapTo(document)\n    )\n      .subscribe(document$)\n\n  /* Return document */\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElementOrThrow<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElementOrThrow<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElementOrThrow<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n  return el\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return document.activeElement instanceof HTMLElement\n    ? document.activeElement\n    : undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Create an element\n *\n * @template T - Tag name type\n *\n * @param tagName - Tag name\n *\n * @returns Element\n */\nexport function createElement<T extends keyof HTMLElementTagNameMap>(\n  tagName: T\n): HTMLElementTagNameMap[T] {\n  return document.createElement(tagName)\n}\n\n/**\n * Replace an element with the given list of nodes\n *\n * @param el - Element\n * @param nodes - Replacement nodes\n */\nexport function replaceElement(\n  el: HTMLElement, ...nodes: Node[]\n): void {\n  el.replaceWith(...nodes)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element focus\n *\n * @param el - Element\n * @param value - Whether the element should be focused\n */\nexport function setElementFocus(\n  el: HTMLElement, value = true\n): void {\n  if (value)\n    el.focus()\n  else\n    el.blur()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n  el: HTMLElement\n): Observable<boolean> {\n  return merge(\n    fromEvent<FocusEvent>(el, \"focus\"),\n    fromEvent<FocusEvent>(el, \"blur\")\n  )\n    .pipe(\n      map(({ type }) => type === \"focus\"),\n      startWith(el === getActiveElement())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  of\n} from \"rxjs\"\nimport {\n  filter,\n  finalize,\n  map,\n  shareReplay,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n  width: number                        /* Element width */\n  height: number                       /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject<ResizeObserverEntry>()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n  new ResizeObserver(entries => {\n    for (const entry of entries)\n      entry$.next(entry)\n  })\n))\n  .pipe(\n    switchMap(resize => NEVER.pipe(startWith(resize))\n      .pipe(\n        finalize(() => resize.disconnect())\n      )\n    ),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(el: HTMLElement): ElementSize {\n  return {\n    width:  el.offsetWidth,\n    height: el.offsetHeight\n  }\n}\n\n/**\n * Retrieve element content size, i.e. including overflowing content\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementContentSize(el: HTMLElement): ElementSize {\n  return {\n    width:  el.scrollWidth,\n    height: el.scrollHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n  el: HTMLElement\n): Observable<ElementSize> {\n  return observer$\n    .pipe(\n      tap(observer => observer.observe(el)),\n      switchMap(observer => entry$\n        .pipe(\n          filter(({ target }) => target === el),\n          finalize(() => observer.unobserve(el)),\n          map(() => getElementSize(el))\n        )\n      ),\n      startWith(getElementSize(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  map,\n  startWith\n} from \"rxjs/operators\"\n\nimport {\n  getElementContentSize,\n  getElementSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n  return {\n    x: el.scrollLeft,\n    y: el.scrollTop\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(el, \"scroll\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      map(() => getElementOffset(el)),\n      startWith(getElementOffset(el))\n    )\n}\n\n/**\n * Watch element threshold\n *\n * This function returns an observable which emits whether the bottom scroll\n * offset of an elements is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element threshold observable\n */\nexport function watchElementThreshold(\n  el: HTMLElement, threshold = 16\n): Observable<boolean> {\n  return watchElementOffset(el)\n    .pipe(\n      map(({ y }) => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return y >= (\n          content.height - visible.height - threshold\n        )\n      }),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element text selection\n *\n * @param el - Element\n */\nexport function setElementSelection(\n  el: HTMLElement\n): void {\n  if (el instanceof HTMLInputElement)\n    el.select()\n  else\n    throw new Error(\"Not implemented\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getElementOrThrow } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n  | \"drawer\"                           /* Toggle for drawer */\n  | \"search\"                           /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record<Toggle, HTMLInputElement> = {\n  drawer: getElementOrThrow(\"[data-md-toggle=drawer]\"),\n  search: getElementOrThrow(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n  return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n  if (toggles[name].checked !== value)\n    toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable<boolean> {\n  const el = toggles[name]\n  return fromEvent(el, \"change\")\n    .pipe(\n      map(() => el.checked),\n      startWith(el.checked)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n  | \"global\"                           /* Global */\n  | \"search\"                           /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n  mode: KeyboardMode                   /* Keyboard mode */\n  type: string                         /* Key type */\n  claim(): void                        /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(el: HTMLElement): boolean {\n  switch (el.tagName) {\n\n    /* Form elements */\n    case \"INPUT\":\n    case \"SELECT\":\n    case \"TEXTAREA\":\n      return true\n\n    /* Everything else */\n    default:\n      return el.isContentEditable\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable<Keyboard> {\n  return fromEvent<KeyboardEvent>(window, \"keydown\")\n    .pipe(\n      filter(ev => !(ev.metaKey || ev.ctrlKey)),\n      map(ev => ({\n        mode: getToggle(\"search\") ? \"search\" : \"global\",\n        type: ev.key,\n        claim() {\n          ev.preventDefault()\n          ev.stopPropagation()\n        }\n      } as Keyboard)),\n      filter(({ mode }) => {\n        if (mode === \"global\") {\n          const active = getActiveElement()\n          if (typeof active !== \"undefined\")\n            return !isSusceptibleToKeyboard(active)\n        }\n        return true\n      }),\n      share()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n  return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n  location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject<URL> {\n  return new Subject<URL>()\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport { filter, map, share, startWith, switchMap } from \"rxjs/operators\"\n\nimport { createElement, getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n  return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n  const el = createElement(\"a\")\n  el.href = hash\n  el.addEventListener(\"click\", ev => ev.stopPropagation())\n  el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(): Observable<string> {\n  return fromEvent<HashChangeEvent>(window, \"hashchange\")\n    .pipe(\n      map(getLocationHash),\n      startWith(getLocationHash()),\n      filter(hash => hash.length > 0),\n      share()\n    )\n}\n\n/**\n * Watch location target\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(): Observable<HTMLElement> {\n  return watchLocationHash()\n    .pipe(\n      switchMap(id => of(getElement(`[id=\"${id}\"]`)!))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, fromEvent, merge } from \"rxjs\"\nimport {\n  filter,\n  map,\n  mapTo,\n  startWith,\n  switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable<boolean> {\n  const media = matchMedia(query)\n  return fromEvent<MediaQueryListEvent>(media, \"change\")\n    .pipe(\n      map(ev => ev.matches),\n      startWith(media.matches)\n    )\n}\n\n/**\n * Watch print mode, cross-browser\n *\n * @returns Print mode observable\n */\nexport function watchPrint(): Observable<void> {\n  return merge(\n    watchMedia(\"print\").pipe(filter(Boolean)),  /* Webkit */\n    fromEvent(window, \"beforeprint\")            /* IE, FF */\n  )\n    .pipe(\n      mapTo(undefined)\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at<T>(\n  query$: Observable<boolean>, factory: () => Observable<T>\n): Observable<T> {\n  return query$\n    .pipe(\n      switchMap(active => active ? factory() : NEVER)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, from } from \"rxjs\"\nimport {\n  filter,\n  map,\n  shareReplay,\n  switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Response observable\n */\nexport function request(\n  url: URL | string, options: RequestInit = { credentials: \"same-origin\" }\n): Observable<Response> {\n  return from(fetch(`${url}`, options))\n    .pipe(\n      filter(res => res.status === 200),\n    )\n}\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON<T>(\n  url: URL | string, options?: RequestInit\n): Observable<T> {\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.json()),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n  url: URL | string, options?: RequestInit\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/xml\")),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n  return {\n    x: Math.max(0, pageXOffset),\n    y: Math.max(0, pageYOffset)\n  }\n}\n\n/**\n * Set viewport offset\n *\n * @param offset - Viewport offset\n */\nexport function setViewportOffset(\n  { x, y }: Partial<ViewportOffset>\n): void {\n  window.scrollTo(x || 0, y || 0)\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable<ViewportOffset> {\n  return merge(\n    fromEvent(window, \"scroll\", { passive: true }),\n    fromEvent(window, \"resize\", { passive: true })\n  )\n    .pipe(\n      map(getViewportOffset),\n      startWith(getViewportOffset())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n  width: number                        /* Viewport width */\n  height: number                       /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n  return {\n    width:  innerWidth,\n    height: innerHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable<ViewportSize> {\n  return fromEvent(window, \"resize\", { passive: true })\n    .pipe(\n      map(getViewportSize),\n      startWith(getViewportSize())\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  map,\n  shareReplay\n} from \"rxjs/operators\"\n\nimport { Header } from \"~/components\"\n\nimport {\n  ViewportOffset,\n  watchViewportOffset\n} from \"../offset\"\nimport {\n  ViewportSize,\n  watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n  offset: ViewportOffset               /* Viewport offset */\n  size: ViewportSize                   /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch at options\n */\ninterface WatchAtOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable<Viewport> {\n  return combineLatest([\n    watchViewportOffset(),\n    watchViewportSize()\n  ])\n    .pipe(\n      map(([offset, size]) => ({ offset, size })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n  el: HTMLElement, { viewport$, header$ }: WatchAtOptions\n): Observable<Viewport> {\n  const size$ = viewport$\n    .pipe(\n      distinctUntilKeyChanged(\"size\")\n    )\n\n  /* Compute element offset */\n  const offset$ = combineLatest([size$, header$])\n    .pipe(\n      map((): ViewportOffset => ({\n        x: el.offsetLeft,\n        y: el.offsetTop\n      }))\n    )\n\n  /* Compute relative viewport, return hot observable */\n  return combineLatest([header$, viewport$, offset$])\n    .pipe(\n      map(([{ height }, { offset, size }, { x, y }]) => ({\n        offset: {\n          x: offset.x - x,\n          y: offset.y - y + height\n        },\n        size\n      }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEvent } from \"rxjs\"\nimport {\n  map,\n  share,\n  switchMapTo,\n  tap,\n  throttle\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n  type: unknown                        /* Message type */\n  data?: unknown                       /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n  T extends WorkerMessage\n> {\n  tx$: Subject<T>                      /* Message transmission subject */\n  rx$: Observable<T>                   /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions<T extends WorkerMessage> {\n  tx$: Observable<T>                   /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that sends all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @returns Worker message observable\n */\nexport function watchWorker<T extends WorkerMessage>(\n  worker: Worker, { tx$ }: WatchOptions<T>\n): Observable<T> {\n\n  /* Intercept messages from worker-like objects */\n  const rx$ = fromEvent<MessageEvent>(worker, \"message\")\n    .pipe(\n      map(({ data }) => data as T)\n    )\n\n  /* Send and receive messages, return hot observable */\n  return tx$\n    .pipe(\n      throttle(() => rx$, { leading: true, trailing: true }),\n      tap(message => worker.postMessage(message)),\n      switchMapTo(rx$),\n      share()\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n  | \"header.autohide\"                  /* Hide header */\n  | \"navigation.expand\"                /* Automatic expansion */\n  | \"navigation.instant\"               /* Instant loading */\n  | \"navigation.sections\"              /* Sections navigation */\n  | \"navigation.tabs\"                  /* Tabs navigation */\n  | \"navigation.top\"                   /* Back-to-top button */\n  | \"toc.integrate\"                    /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n  | \"clipboard.copy\"                   /* Copy to clipboard */\n  | \"clipboard.copied\"                 /* Copied to clipboard */\n  | \"search.config.lang\"               /* Search language */\n  | \"search.config.pipeline\"           /* Search pipeline */\n  | \"search.config.separator\"          /* Search separator */\n  | \"search.placeholder\"               /* Search */\n  | \"search.result.placeholder\"        /* Type to start searching */\n  | \"search.result.none\"               /* No matching documents */\n  | \"search.result.one\"                /* 1 matching document */\n  | \"search.result.other\"              /* # matching documents */\n  | \"search.result.more.one\"           /* 1 more on this page */\n  | \"search.result.more.other\"         /* # more on this page */\n  | \"search.result.term.missing\"       /* Missing */\n\n/**\n * Translations\n */\nexport type Translations = Record<Translation, string>\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n  provider: \"mike\"                     /* Version provider */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n  base: string                         /* Base URL */\n  features: Flag[]                     /* Feature flags */\n  translations: Translations           /* Translations */\n  search: string                       /* Search worker URL */\n  version?: Versioning                 /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElementOrThrow(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = new URL(config.base, getLocation())\n  .toString()\n  .replace(/\\/$/, \"\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n  return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n  return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n  key: Translation, value?: string | number\n): string {\n  return typeof value !== \"undefined\"\n    ? config.translations[key].replace(\"#\", value.toString())\n    : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component\n */\nexport type ComponentType =\n  | \"announce\"                         /* Announcement bar */\n  | \"container\"                        /* Container */\n  | \"content\"                          /* Content */\n  | \"dialog\"                           /* Dialog */\n  | \"header\"                           /* Header */\n  | \"header-title\"                     /* Header title */\n  | \"header-topic\"                     /* Header topic */\n  | \"main\"                             /* Main area */\n  | \"palette\"                          /* Color palette */\n  | \"search\"                           /* Search */\n  | \"search-query\"                     /* Search input */\n  | \"search-result\"                    /* Search results */\n  | \"sidebar\"                          /* Sidebar */\n  | \"skip\"                             /* Skip link */\n  | \"source\"                           /* Repository information */\n  | \"tabs\"                             /* Navigation tabs */\n  | \"toc\"                              /* Table of contents */\n  | \"top\"                              /* Back-to-top button */\n\n/**\n * A component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n  T extends {} = {},\n  U extends HTMLElement = HTMLElement\n> =\n  T & {\n    ref: U                             /* Component reference */\n  }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n  \"announce\": HTMLElement              /* Announcement bar */\n  \"container\": HTMLElement             /* Container */\n  \"content\": HTMLElement               /* Content */\n  \"dialog\": HTMLElement                /* Dialog */\n  \"header\": HTMLElement                /* Header */\n  \"header-title\": HTMLElement          /* Header title */\n  \"header-topic\": HTMLElement          /* Header topic */\n  \"main\": HTMLElement                  /* Main area */\n  \"palette\": HTMLElement               /* Color palette */\n  \"search\": HTMLElement                /* Search */\n  \"search-query\": HTMLInputElement     /* Search input */\n  \"search-result\": HTMLElement         /* Search results */\n  \"sidebar\": HTMLElement               /* Sidebar */\n  \"skip\": HTMLAnchorElement            /* Skip link */\n  \"source\": HTMLAnchorElement          /* Repository information */\n  \"tabs\": HTMLElement                  /* Navigation tabs */\n  \"toc\": HTMLElement                   /* Table of contents */\n  \"top\": HTMLAnchorElement             /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n  return getElementOrThrow(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n  return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  fromEvent,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  switchMap,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetFocusable, setFocusable } from \"~/actions\"\nimport {\n  Viewport,\n  getElementContentSize,\n  getElementSize,\n  getElements,\n  watchMedia\n} from \"~/browser\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block\n */\nexport interface CodeBlock {\n  scroll: boolean                      /* Code block overflows */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global index for Clipboard.js integration\n */\nlet index = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n  el: HTMLElement, { viewport$ }: WatchOptions\n): Observable<CodeBlock> {\n  const container$ = of(el)\n    .pipe(\n      switchMap(child => {\n        const container = child.closest(\"[data-tabs]\")\n        if (container instanceof HTMLElement) {\n          return merge(\n            ...getElements(\"input\", container)\n              .map(input => fromEvent(input, \"change\"))\n          )\n        }\n        return NEVER\n      })\n    )\n\n  /* Check overflow on resize and tab change */\n  return merge(\n    viewport$.pipe(distinctUntilKeyChanged(\"size\")),\n    container$\n  )\n    .pipe(\n      map(() => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return {\n          scroll: content.width > visible.width\n        }\n      }),\n      distinctUntilKeyChanged(\"scroll\")\n    )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block component observable\n */\nexport function mountCodeBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<CodeBlock>> {\n  const internal$ = new Subject<CodeBlock>()\n  internal$\n    .pipe(\n      withLatestFrom(watchMedia(\"(hover)\"))\n    )\n      .subscribe(([{ scroll }, hover]) => {\n        if (scroll && hover)\n          setFocusable(el)\n        else\n          resetFocusable(el)\n      })\n\n  /* Render button for Clipboard.js integration */\n  if (ClipboardJS.isSupported()) {\n    const parent = el.closest(\"pre\")!\n    parent.id = `__code_${index++}`\n    parent.insertBefore(\n      renderClipboardButton(parent.id),\n      el\n    )\n  }\n\n  /* Create and return component */\n  return watchCodeBlock(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set focusable property\n *\n * @param el - Element\n * @param value - Tabindex value\n */\nexport function setFocusable(\n  el: HTMLElement, value = 0\n): void {\n  el.setAttribute(\"tabindex\", value.toString())\n}\n\n/**\n * Reset focusable property\n *\n * @param el - Element\n */\nexport function resetFocusable(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"tabindex\")\n}\n\n/**\n * Set scroll lock\n *\n * @param el - Scrollable element\n * @param value - Vertical offset\n */\nexport function setScrollLock(\n  el: HTMLElement, value: number\n): void {\n  el.setAttribute(\"data-md-state\", \"lock\")\n  el.style.top = `-${value}px`\n}\n\n/**\n * Reset scroll lock\n *\n * @param el - Scrollable element\n */\nexport function resetScrollLock(\n  el: HTMLElement\n): void {\n  const value = -1 * parseInt(el.style.top, 10)\n  el.removeAttribute(\"data-md-state\")\n  el.style.top = \"\"\n  if (value)\n    window.scrollTo(0, value)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor state\n *\n * @param el - Anchor element\n * @param state - Anchor state\n */\nexport function setAnchorState(\n  el: HTMLElement, state: \"blur\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset anchor state\n *\n * @param el - Anchor element\n */\nexport function resetAnchorState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n  el: HTMLElement, value: boolean\n): void {\n  el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n  el: HTMLElement\n): void {\n  el.classList.remove(\"md-nav__link--active\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set dialog message\n *\n * @param el - Dialog element\n * @param value - Dialog message\n */\nexport function setDialogMessage(\n  el: HTMLElement, value: string\n): void {\n  el.firstElementChild!.innerHTML = value\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set dialog state\n *\n * @param el - Dialog element\n * @param state - Dialog state\n */\nexport function setDialogState(\n  el: HTMLElement, state: \"open\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset dialog state\n *\n * @param el - Dialog element\n */\nexport function resetDialogState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header state\n *\n * @param el - Header element\n * @param state - Header state\n */\nexport function setHeaderState(\n  el: HTMLElement, state: \"shadow\" | \"hidden\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header state\n *\n * @param el - Header element\n */\nexport function resetHeaderState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header title state\n *\n * @param el - Header title element\n * @param state - Header title state\n */\nexport function setHeaderTitleState(\n  el: HTMLElement, state: \"active\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header title state\n *\n * @param el - Header title element\n */\nexport function resetHeaderTitleState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set search query placeholder\n *\n * @param el - Search query element\n * @param value - Placeholder\n */\nexport function setSearchQueryPlaceholder(\n  el: HTMLInputElement, value: string\n): void {\n  el.placeholder = value\n}\n\n/**\n * Reset search query placeholder\n *\n * @param el - Search query element\n */\nexport function resetSearchQueryPlaceholder(\n  el: HTMLInputElement\n): void {\n  el.placeholder = translation(\"search.placeholder\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n  & JSXInternal.HTMLAttributes\n  & JSXInternal.SVGAttributes\n  & Record<string, any>\n\n/**\n * Child element\n */\ntype Child =\n  | HTMLElement\n  | Text\n  | string\n  | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n  /* Handle primitive types (including raw HTML) */\n  if (typeof child === \"string\" || typeof child === \"number\") {\n    el.innerHTML += child.toString()\n\n  /* Handle nodes */\n  } else if (child instanceof Node) {\n    el.appendChild(child)\n\n  /* Handle nested children */\n  } else if (Array.isArray(child)) {\n    for (const node of child)\n      appendChild(el, node)\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h(\n  tag: string, attributes: Attributes | null, ...children: Child[]\n): HTMLElement {\n  const el = document.createElement(tag)\n\n  /* Set attributes, if any */\n  if (attributes)\n    for (const attr of Object.keys(attributes))\n      if (typeof attributes[attr] !== \"boolean\")\n        el.setAttribute(attr, attributes[attr])\n      else if (attributes[attr])\n        el.setAttribute(attr, \"\")\n\n  /* Append child nodes */\n  for (const child of children)\n    appendChild(el, child)\n\n  /* Return element */\n  return el\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n  namespace JSX {\n    type Element = HTMLElement\n    type IntrinsicElements = JSXInternal.IntrinsicElements\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @returns Truncated value\n */\nexport function truncate(value: string, n: number): string {\n  let i = n\n  if (value.length > i) {\n    while (value[i] !== \" \" && --i > 0) { /* keep eating */ }\n    return `${value.substring(0, i)}...`\n  }\n  return value\n}\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n  if (value > 999) {\n    const digits = +((value - 950) % 1000 > 99)\n    return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n  } else {\n    return value.toString()\n  }\n}\n\n/**\n * Simple hash function\n *\n * @see https://bit.ly/2wsVjJ4 - Original source\n *\n * @param value - Value to be hashed\n *\n * @returns Hash as 32bit integer\n */\nexport function hash(value: string): number {\n  let h = 0\n  for (let i = 0, len = value.length; i < len; i++) {\n    h  = ((h << 5) - h) + value.charCodeAt(i)\n    h |= 0 // Convert to 32bit integer\n  }\n  return h\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n  el: HTMLElement, value: number\n): void {\n  switch (value) {\n\n    /* No results */\n    case 0:\n      el.textContent = translation(\"search.result.none\")\n      break\n\n    /* One result */\n    case 1:\n      el.textContent = translation(\"search.result.one\")\n      break\n\n    /* Multiple result */\n    default:\n      el.textContent = translation(\"search.result.other\", round(value))\n  }\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n  el: HTMLElement\n): void {\n  el.textContent = translation(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n  el: HTMLElement, child: Element\n): void {\n  el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n  el: HTMLElement\n): void {\n  el.innerHTML = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar offset\n *\n * @param el - Sidebar element\n * @param value - Sidebar offset\n */\nexport function setSidebarOffset(\n  el: HTMLElement, value: number\n): void {\n  el.style.top = `${value}px`\n}\n\n/**\n * Reset sidebar offset\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarOffset(\n  el: HTMLElement\n): void {\n  el.style.top = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n  el: HTMLElement, value: number\n): void {\n  const scrollwrap = el.firstElementChild as HTMLElement\n  scrollwrap.style.height = `${value - 2 * scrollwrap.offsetTop}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n  el: HTMLElement\n): void {\n  const scrollwrap = el.firstElementChild as HTMLElement\n  scrollwrap.style.height = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set repository facts\n *\n * @param el - Repository element\n * @param child - Repository facts element\n */\nexport function setSourceFacts(\n  el: HTMLElement, child: Element\n): void {\n  el.lastElementChild!.appendChild(child)\n}\n\n/**\n * Set repository state\n *\n * @param el - Repository element\n * @param state - Repository state\n */\nexport function setSourceState(\n  el: HTMLElement, state: \"done\"\n): void {\n  el.lastElementChild!.setAttribute(\"data-md-state\", state)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set tabs state\n *\n * @param el - Tabs element\n * @param state - Tabs state\n */\nexport function setTabsState(\n  el: HTMLElement, state: \"hidden\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset tabs state\n *\n * @param el - Tabs element\n */\nexport function resetTabsState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set back-to-top state\n *\n * @param el - Back-to-top element\n * @param state - Back-to-top state\n */\nexport function setBackToTopState(\n  el: HTMLElement, state: \"hidden\"\n): void {\n  el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset back-to-top state\n *\n * @param el - Back-to-top element\n */\nexport function resetBackToTopState(\n  el: HTMLElement\n): void {\n  el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n  return (\n    <button\n      class=\"md-clipboard md-icon\"\n      title={translation(\"clipboard.copy\")}\n      data-clipboard-target={`#${id} > code`}\n    ></button>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport {\n  SearchDocument,\n  SearchMetadata,\n  SearchResult\n} from \"~/integrations/search\"\nimport { h, truncate } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n  TEASER = 1,                          /* Render teaser */\n  PARENT = 2                           /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n  document: SearchDocument & SearchMetadata, flag: Flag\n): HTMLElement {\n  const parent = flag & Flag.PARENT\n  const teaser = flag & Flag.TEASER\n\n  /* Render missing query terms */\n  const missing = Object.keys(document.terms)\n    .filter(key => !document.terms[key])\n    .map(key => [<del>{key}</del>, \" \"])\n    .flat()\n    .slice(0, -1)\n\n  /* Render article or section, depending on flags */\n  const url = document.location\n  return (\n    <a href={url} class=\"md-search-result__link\" tabIndex={-1}>\n      <article\n        class={[\"md-search-result__article\", ...parent\n          ? [\"md-search-result__article--document\"]\n          : []\n        ].join(\" \")}\n        data-md-score={document.score.toFixed(2)}\n      >\n        {parent > 0 && <div class=\"md-search-result__icon md-icon\"></div>}\n        <h1 class=\"md-search-result__title\">{document.title}</h1>\n        {teaser > 0 && document.text.length > 0 &&\n          <p class=\"md-search-result__teaser\">\n            {truncate(document.text, 320)}\n          </p>\n        }\n        {teaser > 0 && missing.length > 0 &&\n          <p class=\"md-search-result__terms\">\n            {translation(\"search.result.term.missing\")}: {...missing}\n          </p>\n        }\n      </article>\n    </a>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResult(\n  result: SearchResult\n): HTMLElement {\n  const threshold = result[0].score\n  const docs = [...result]\n\n  /* Find and extract parent article */\n  const parent = docs.findIndex(doc => !doc.location.includes(\"#\"))\n  const [article] = docs.splice(parent, 1)\n\n  /* Determine last index above threshold */\n  let index = docs.findIndex(doc => doc.score < threshold)\n  if (index === -1)\n    index = docs.length\n\n  /* Partition sections */\n  const best = docs.slice(0, index)\n  const more = docs.slice(index)\n\n  /* Render children */\n  const children = [\n    renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n    ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n    ...more.length ? [\n      <details class=\"md-search-result__more\">\n        <summary tabIndex={-1}>\n          {more.length > 0 && more.length === 1\n            ? translation(\"search.result.more.one\")\n            : translation(\"search.result.more.other\", more.length)\n          }\n        </summary>\n        {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n      </details>\n    ] : []\n  ]\n\n  /* Render search result */\n  return (\n    <li class=\"md-search-result__item\">\n      {children}\n    </li>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n  return (\n    <ul class=\"md-source__facts\">\n      {Object.entries(facts).map(([key, value]) => (\n        <li class={`md-source__fact md-source__fact--${key}`}>\n          {typeof value === \"number\" ? round(value) : value}\n        </li>\n      ))}\n    </ul>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n  return (\n    <div class=\"md-typeset__scrollwrap\">\n      <div class=\"md-typeset__table\">\n        {table}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version\n */\nexport interface Version {\n  version: string                      /* Version identifier */\n  title: string                        /* Version title */\n  aliases: string[]                    /* Version aliases */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n  const config = configuration()\n\n  /* Ensure trailing slash, see https://bit.ly/3rL5u3f */\n  const url = new URL(`${version.version}/`, config.base)\n  return (\n    <li class=\"md-version__item\">\n      <a href={url.toString()} class=\"md-version__link\">\n        {version.title}\n      </a>\n    </li>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n *\n * @returns Element\n */\nexport function renderVersionSelector(versions: Version[]): HTMLElement {\n  const config = configuration()\n\n  /* Determine active version */\n  const [, current] = config.base.match(/([^/]+)\\/?$/)!\n  const active =\n    versions.find(({ version, aliases }) => (\n      version === current || aliases.includes(current)\n    )) || versions[0]\n\n  /* Render version selector */\n  return (\n    <div class=\"md-version\">\n      <span class=\"md-version__current\">\n        {active.title}\n      </span>\n      <ul class=\"md-version__list\">\n        {versions.map(renderVersion)}\n      </ul>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject } from \"rxjs\"\nimport {\n  filter,\n  finalize,\n  map,\n  mapTo,\n  mergeWith,\n  tap\n} from \"rxjs/operators\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n  el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable<Details> {\n  return target$\n    .pipe(\n      map(target => target.closest(\"details:not([open])\")!),\n      filter(details => el === details),\n      mergeWith(print$),\n      mapTo(el)\n    )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n  el: HTMLDetailsElement, options: MountOptions\n): Observable<Component<Details>> {\n  const internal$ = new Subject<Details>()\n  internal$.subscribe(() => {\n    el.setAttribute(\"open\", \"\")\n    el.scrollIntoView()\n  })\n\n  /* Create and return component */\n  return watchDetails(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      mapTo({ ref: el })\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { createElement, replaceElement } from \"~/browser\"\nimport { renderTable } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = createElement(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n  el: HTMLElement\n): Observable<Component<DataTable>> {\n  replaceElement(el, sentinel)\n  replaceElement(sentinel, renderTable(el))\n\n  /* Create and return component */\n  return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { CodeBlock, mountCodeBlock } from \"../code\"\nimport { Details, mountDetails } from \"../details\"\nimport { DataTable, mountDataTable } from \"../table\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n  | CodeBlock\n  | DataTable\n  | Details\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  print$: Observable<void>             /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n  el: HTMLElement, { target$, viewport$, print$ }: MountOptions\n): Observable<Component<Content>> {\n  return merge(\n\n    /* Code blocks */\n    ...getElements(\"pre > code\", el)\n      .map(child => mountCodeBlock(child, { viewport$ })),\n\n    /* Data tables */\n    ...getElements(\"table:not([class])\", el)\n      .map(child => mountDataTable(child)),\n\n    /* Details */\n    ...getElements(\"details\", el)\n      .map(child => mountDetails(child, { target$, print$ }))\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  delay,\n  finalize,\n  map,\n  observeOn,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetDialogState,\n  setDialogMessage,\n  setDialogState\n} from \"~/actions\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n  message: string                      /* Dialog message */\n  open: boolean                        /* Dialog is visible */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n  _el: HTMLElement, { alert$ }: WatchOptions\n): Observable<Dialog> {\n  return alert$\n    .pipe(\n      switchMap(message => merge(\n        of(true),\n        of(false).pipe(delay(2000))\n      )\n        .pipe(\n          map(open => ({ message, open }))\n        )\n      )\n    )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right cornerwhen a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Dialog>> {\n  const internal$ = new Subject<Dialog>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(({ message, open }) => {\n        setDialogMessage(el, message)\n        if (open)\n          setDialogState(el, \"open\")\n        else\n          resetDialogState(el)\n      })\n\n  /* Create and return component */\n  return watchDialog(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest,\n  defer,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  combineLatestWith,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  map,\n  observeOn,\n  shareReplay,\n  startWith,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { feature } from \"~/_\"\nimport { resetHeaderState, setHeaderState } from \"~/actions\"\nimport {\n  Viewport,\n  watchElementSize,\n  watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n  height: number                       /* Header visible height */\n  sticky: boolean                      /* Header stickyness */\n  hidden: boolean                      /* User scrolled past threshold */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable<boolean> {\n  if (!feature(\"header.autohide\"))\n    return of(false)\n\n  /* Compute direction and turning point */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => [a < b, b] as const),\n      distinctUntilKeyChanged(0)\n    )\n\n  /* Compute whether header should be hidden */\n  const hidden$ = combineLatest([viewport$, direction$])\n    .pipe(\n      filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n      map(([, [direction]]) => direction),\n      distinctUntilChanged()\n    )\n\n  /* Compute threshold for hiding */\n  const search$ = watchToggle(\"search\")\n  return combineLatest([viewport$, search$])\n    .pipe(\n      map(([{ offset }, search]) => offset.y > 400 && !search),\n      distinctUntilChanged(),\n      switchMap(active => active ? hidden$ : of(false)),\n      startWith(false)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n  el: HTMLElement, options: WatchOptions\n): Observable<Header> {\n  return defer(() => {\n    const styles = getComputedStyle(el)\n    return of(\n      styles.position === \"sticky\" ||\n      styles.position === \"-webkit-sticky\"\n    )\n  })\n    .pipe(\n      combineLatestWith(watchElementSize(el), isHidden(options)),\n      map(([sticky, { height }, hidden]) => ({\n        height: sticky ? height : 0,\n        sticky,\n        hidden\n      })),\n      distinctUntilChanged((a, b) => (\n        a.sticky === b.sticky &&\n        a.height === b.height &&\n        a.hidden === b.hidden\n      )),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n  el: HTMLElement, { header$, main$ }: MountOptions\n): Observable<Component<Header>> {\n  const internal$ = new Subject<Main>()\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"active\"),\n      combineLatestWith(header$),\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(([{ active }, { hidden }]) => {\n        if (active)\n          setHeaderState(el, hidden ? \"hidden\" : \"shadow\")\n        else\n          resetHeaderState(el)\n      })\n\n  /* Connect to long-living subject and return component */\n  main$.subscribe(main => internal$.next(main))\n  return header$\n    .pipe(\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  animationFrameScheduler\n} from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetHeaderTitleState,\n  setHeaderTitleState\n} from \"~/actions\"\nimport {\n  Viewport,\n  getElement,\n  getElementSize,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n  active: boolean                      /* User scrolled past first headline */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n  el: HTMLHeadingElement, { viewport$, header$ }: WatchOptions\n): Observable<HeaderTitle> {\n  return watchViewportAt(el, { header$, viewport$ })\n    .pipe(\n      map(({ offset: { y } }) => {\n        const { height } = getElementSize(el)\n        return {\n          active: y >= height\n        }\n      }),\n      distinctUntilKeyChanged(\"active\")\n    )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<HeaderTitle>> {\n  const internal$ = new Subject<HeaderTitle>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe(({ active }) => {\n        if (active)\n          setHeaderTitleState(el, \"active\")\n        else\n          resetHeaderTitleState(el)\n      })\n\n  /* Obtain headline, if any */\n  const headline = getElement<HTMLHeadingElement>(\"article h1\")\n  if (typeof headline === \"undefined\")\n    return NEVER\n\n  /* Create and return component */\n  return watchHeaderTitle(headline, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest\n} from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  map,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchElementSize } from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n  offset: number                       /* Main area top offset */\n  height: number                       /* Main area visible height */\n  active: boolean                      /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Main> {\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(({ height }) => height),\n      distinctUntilChanged()\n    )\n\n  /* Compute the main area's top and bottom borders */\n  const border$ = adjust$\n    .pipe(\n      switchMap(() => watchElementSize(el)\n        .pipe(\n          map(({ height }) => ({\n            top:    el.offsetTop,\n            bottom: el.offsetTop + height\n          })),\n          distinctUntilKeyChanged(\"bottom\")\n        )\n      )\n    )\n\n  /* Compute the main area's offset, visible height and if we scrolled past */\n  return combineLatest([adjust$, border$, viewport$])\n    .pipe(\n      map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n        height = Math.max(0, height\n          - Math.max(0, top    - y,  header)\n          - Math.max(0, height + y - bottom)\n        )\n        return {\n          offset: top - header,\n          height,\n          active: top - header <= y\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.offset === b.offset &&\n        a.height === b.height &&\n        a.active === b.active\n      ))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  fromEvent,\n  of\n} from \"rxjs\"\nimport {\n  finalize,\n  map,\n  mapTo,\n  mergeMap,\n  shareReplay,\n  startWith,\n  tap\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n  scheme?: string                      /* Color scheme */\n  primary?: string                     /* Primary color */\n  accent?: string                      /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n  index: number                        /* Palette index */\n  color: PaletteColor                  /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n  inputs: HTMLInputElement[]\n): Observable<Palette> {\n  const data = localStorage.getItem(__prefix(\"__palette\"))!\n  const current = JSON.parse(data) || {\n    index: inputs.findIndex(input => (\n      matchMedia(input.getAttribute(\"data-md-color-media\")!).matches\n    ))\n  }\n\n  /* Emit changes in color palette */\n  const palette$ = of(...inputs)\n    .pipe(\n      mergeMap(input => fromEvent(input, \"change\")\n        .pipe(\n          mapTo(input)\n        )\n      ),\n      startWith(inputs[Math.max(0, current.index)]),\n      map(input => ({\n        index: inputs.indexOf(input),\n        color: {\n          scheme:  input.getAttribute(\"data-md-color-scheme\"),\n          primary: input.getAttribute(\"data-md-color-primary\"),\n          accent:  input.getAttribute(\"data-md-color-accent\")\n        }\n      } as Palette)),\n      shareReplay(1)\n    )\n\n  /* Persist preference in local storage */\n  palette$.subscribe(palette => {\n    localStorage.setItem(__prefix(\"__palette\"), JSON.stringify(palette))\n  })\n\n  /* Return palette */\n  return palette$\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n  el: HTMLElement\n): Observable<Component<Palette>> {\n  const internal$ = new Subject<Palette>()\n\n  /* Set color palette */\n  internal$.subscribe(palette => {\n    for (const [key, value] of Object.entries(palette.color))\n      if (typeof value === \"string\")\n        document.body.setAttribute(`data-md-color-${key}`, value)\n\n    /* Toggle visibility */\n    for (let index = 0; index < inputs.length; index++) {\n      const label = inputs[index].nextElementSibling as HTMLElement\n      label.hidden = palette.index !== index\n    }\n  })\n\n  /* Create and return component */\n  const inputs = getElements<HTMLInputElement>(\"input\", el)\n  return watchPalette(inputs)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport { Observable, Subject } from \"rxjs\"\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n  { alert$ }: SetupOptions\n): void {\n  if (ClipboardJS.isSupported()) {\n    new Observable<ClipboardJS.Event>(subscriber => {\n      new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\")\n        .on(\"success\", ev => subscriber.next(ev))\n    })\n      .subscribe(() => alert$.next(translation(\"clipboard.copied\")))\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  NEVER,\n  Observable,\n  Subject,\n  fromEvent,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  catchError,\n  concatMap,\n  debounceTime,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  map,\n  sample,\n  share,\n  skip,\n  skipUntil,\n  switchMap\n} from \"rxjs/operators\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Viewport,\n  ViewportOffset,\n  createElement,\n  getElement,\n  getElements,\n  replaceElement,\n  request,\n  requestXML,\n  setLocation,\n  setLocationHash,\n  setViewportOffset\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\nexport interface HistoryState {\n  url: URL                             /* State URL */\n  offset?: ViewportOffset              /* State viewport offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  document$: Subject<Document>         /* Document subject */\n  location$: Subject<URL>              /* Location subject */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Preprocess a list of URLs\n *\n * This function replaces the `site_url` in the sitemap with the actual base\n * URL, to allow instant loading to work in occasions like Netlify previews.\n *\n * @param urls - URLs\n *\n * @returns Processed URLs\n */\nfunction preprocess(urls: string[]): string[] {\n  if (urls.length < 2)\n    return urls\n\n  /* Take the first two URLs and remove everything after the last slash */\n  const [root, next] = urls\n    .sort((a, b) => a.length - b.length)\n    .map(url => url.replace(/[^/]+$/, \"\"))\n\n  /* Compute common prefix */\n  let index = 0\n  if (root === next)\n    index = root.length\n  else\n    while (root.charCodeAt(index) === next.charCodeAt(index))\n      index++\n\n  /* Replace common prefix (i.e. base) with effective base */\n  const config = configuration()\n  return urls.map(url => (\n    url.replace(root.slice(0, index), `${config.base}/`)\n  ))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n  { document$, location$, viewport$ }: SetupOptions\n): void {\n  const config = configuration()\n  if (location.protocol === \"file:\")\n    return\n\n  /* Disable automatic scroll restoration */\n  if (\"scrollRestoration\" in history) {\n    history.scrollRestoration = \"manual\"\n\n    /* Hack: ensure that reloads restore viewport offset */\n    fromEvent(window, \"beforeunload\")\n      .subscribe(() => {\n        history.scrollRestoration = \"auto\"\n      })\n  }\n\n  /* Hack: ensure absolute favicon link to omit 404s when switching */\n  const favicon = getElement<HTMLLinkElement>(\"link[rel=icon]\")\n  if (typeof favicon !== \"undefined\")\n    favicon.href = favicon.href\n\n  /* Intercept internal navigation */\n  const push$ = requestXML(`${config.base}/sitemap.xml`)\n    .pipe(\n      map(sitemap => preprocess(getElements(\"loc\", sitemap)\n        .map(node => node.textContent!)\n      )),\n      switchMap(urls => fromEvent<MouseEvent>(document.body, \"click\")\n        .pipe(\n          filter(ev => !ev.metaKey && !ev.ctrlKey),\n          switchMap(ev => {\n\n            /* Handle HTML and SVG elements */\n            if (ev.target instanceof Element) {\n              const el = ev.target.closest(\"a\")\n              if (el && !el.target && urls.includes(el.href)) {\n                ev.preventDefault()\n                return of({\n                  url: new URL(el.href)\n                })\n              }\n            }\n            return NEVER\n          })\n        )\n      ),\n      share<HistoryState>()\n    )\n\n  /* Intercept history back and forward */\n  const pop$ = fromEvent<PopStateEvent>(window, \"popstate\")\n    .pipe(\n      filter(ev => ev.state !== null),\n      map(ev => ({\n        url: new URL(location.href),\n        offset: ev.state\n      })),\n      share<HistoryState>()\n    )\n\n  /* Emit location change */\n  merge(push$, pop$)\n    .pipe(\n      distinctUntilChanged((a, b) => a.url.href === b.url.href),\n      map(({ url }) => url)\n    )\n      .subscribe(location$)\n\n  /* Fetch document via `XMLHTTPRequest` */\n  const response$ = location$\n    .pipe(\n      distinctUntilKeyChanged(\"pathname\"),\n      switchMap(url => request(url.href)\n        .pipe(\n          catchError(() => {\n            setLocation(url)\n            return NEVER\n          })\n        )\n      ),\n      share()\n    )\n\n  /* Set new location via `history.pushState` */\n  push$\n    .pipe(\n      sample(response$)\n    )\n      .subscribe(({ url }) => {\n        history.pushState({}, \"\", `${url}`)\n      })\n\n  /* Parse and emit fetched document */\n  const dom = new DOMParser()\n  response$\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/html\"))\n    )\n      .subscribe(document$)\n\n  /* Emit history state change */\n  merge(push$, pop$)\n    .pipe(\n      sample(document$)\n    )\n      .subscribe(({ url, offset }) => {\n        if (url.hash && !offset)\n          setLocationHash(url.hash)\n        else\n          setViewportOffset(offset || { y: 0 })\n      })\n\n  /* Replace meta tags and components */\n  document$\n    .pipe(\n      skip(1)\n    )\n      .subscribe(replacement => {\n        for (const selector of [\n\n          /* Meta tags */\n          \"title\",\n          \"link[rel=canonical]\",\n          \"meta[name=author]\",\n          \"meta[name=description]\",\n\n          /* Components */\n          \"[data-md-component=announce]\",\n          \"[data-md-component=container]\",\n          \"[data-md-component=header-topic]\",\n          \"[data-md-component=logo], .md-logo\", // compat\n          \"[data-md-component=skip]\"\n        ]) {\n          const source = getElement(selector)\n          const target = getElement(selector, replacement)\n          if (\n            typeof source !== \"undefined\" &&\n            typeof target !== \"undefined\"\n          ) {\n            replaceElement(source, target)\n          }\n        }\n      })\n\n  /* Re-evaluate scripts */\n  document$\n    .pipe(\n      skip(1),\n      map(() => getComponentElement(\"container\")),\n      switchMap(el => of(...getElements(\"script\", el))),\n      concatMap(el => {\n        const script = createElement(\"script\")\n        if (el.src) {\n          for (const name of el.getAttributeNames())\n            script.setAttribute(name, el.getAttribute(name)!)\n          replaceElement(el, script)\n\n          /* Complete when script is loaded */\n          return new Observable(observer => {\n            script.onload = () => observer.complete()\n          })\n\n        /* Complete immediately */\n        } else {\n          script.textContent = el.textContent\n          replaceElement(el, script)\n          return EMPTY\n        }\n      })\n    )\n      .subscribe()\n\n  /* Debounce update of viewport offset */\n  viewport$\n    .pipe(\n      skipUntil(push$),\n      debounceTime(250),\n      distinctUntilKeyChanged(\"offset\")\n    )\n      .subscribe(({ offset }) => {\n        history.replaceState(offset, \"\")\n      })\n\n  /* Set viewport offset from history */\n  merge(push$, pop$)\n    .pipe(\n      bufferCount(2, 1),\n      filter(([a, b]) => a.url.pathname === b.url.pathname),\n      map(([, state]) => state)\n    )\n      .subscribe(({ offset }) => {\n        setViewportOffset(offset || { y: 0 })\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n  parent?: SearchIndexDocument         /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map<string, SearchDocument>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n  docs: SearchIndexDocument[]\n): SearchDocumentMap {\n  const documents = new Map<string, SearchDocument>()\n  const parents   = new Set<SearchDocument>()\n  for (const doc of docs) {\n    const [path, hash] = doc.location.split(\"#\")\n\n    /* Extract location and title */\n    const location = doc.location\n    const title    = doc.title\n\n    /* Escape and cleanup text */\n    const text = escapeHTML(doc.text)\n      .replace(/\\s+(?=[,.:;!?])/g, \"\")\n      .replace(/\\s+/g, \" \")\n\n    /* Handle section */\n    if (hash) {\n      const parent = documents.get(path)!\n\n      /* Ignore first section, override article */\n      if (!parents.has(parent)) {\n        parent.title = doc.title\n        parent.text  = text\n\n        /* Remember that we processed the article */\n        parents.add(parent)\n\n      /* Add subsequent section */\n      } else {\n        documents.set(location, {\n          location,\n          title,\n          text,\n          parent\n        })\n      }\n\n    /* Add article */\n    } else {\n      documents.set(location, {\n        location,\n        title,\n        text\n      })\n    }\n  }\n  return documents\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @returns Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Search for terms in quotation marks and prepend a `+` modifier to denote\n *    that the resulting document must contain all terms, converting the query\n *    to an `AND` query (as opposed to the default `OR` behavior). While users\n *    may expect terms enclosed in quotation marks to map to span queries, i.e.\n *    for which order is important, Lunr.js doesn't support them, so the best\n *    we can do is to convert the terms to an `AND` query.\n *\n * 2. Replace control characters which are not located at the beginning of the\n *    query or preceded by white space, or are not followed by a non-whitespace\n *    character or are at the end of the query string. Furthermore, filter\n *    unmatched quotation marks.\n *\n * 3. Trim excess whitespace from left and right.\n *\n * @param query - Query value\n *\n * @returns Transformed query value\n */\nexport function defaultTransform(query: string): string {\n  return query\n    .split(/\"([^\"]+)\"/g)                            /* => 1 */\n      .map((terms, index) => index & 1\n        ? terms.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n        : terms\n      )\n      .join(\"\")\n    .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\") /* => 2 */\n    .trim()                                         /* => 3 */\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n  SETUP,                               /* Search index setup */\n  READY,                               /* Search index ready */\n  QUERY,                               /* Search query */\n  RESULT                               /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n  type: SearchMessageType.SETUP        /* Message type */\n  data: SearchIndex                    /* Message data */\n}\n\n/**\n * A message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n  type: SearchMessageType.READY        /* Message type */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n  type: SearchMessageType.QUERY        /* Message type */\n  data: string                         /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n  type: SearchMessageType.RESULT       /* Message type */\n  data: SearchResult[]                 /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n  | SearchSetupMessage\n  | SearchReadyMessage\n  | SearchQueryMessage\n  | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n  message: SearchMessage\n): message is SearchSetupMessage {\n  return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n  message: SearchMessage\n): message is SearchReadyMessage {\n  return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n  message: SearchMessage\n): message is SearchQueryMessage {\n  return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n  message: SearchMessage\n): message is SearchResultMessage {\n  return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ObservableInput, Subject, from } from \"rxjs\"\nimport { map, share } from \"rxjs/operators\"\n\nimport { configuration, translation } from \"~/_\"\nimport { WorkerHandler, watchWorker } from \"~/browser\"\n\nimport { SearchIndex, SearchIndexPipeline } from \"../../_\"\nimport {\n  SearchMessage,\n  SearchMessageType,\n  SearchSetupMessage,\n  isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search worker\n */\nexport type SearchWorker = WorkerHandler<SearchMessage>\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @returns Search index\n */\nfunction setupSearchIndex(\n  { config, docs, index }: SearchIndex\n): SearchIndex {\n\n  /* Override default language with value from translation */\n  if (config.lang.length === 1 && config.lang[0] === \"en\")\n    config.lang = [\n      translation(\"search.config.lang\")\n    ]\n\n  /* Override default separator with value from translation */\n  if (config.separator === \"[\\\\s\\\\-]+\")\n    config.separator = translation(\"search.config.separator\")\n\n  /* Set pipeline from translation */\n  const pipeline = translation(\"search.config.pipeline\")\n    .split(/\\s*,\\s*/)\n    .filter(Boolean) as SearchIndexPipeline\n\n  /* Return search index after defaulting */\n  return { config, docs, index, pipeline }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates a web worker to set up and query the search index,\n * which is done using Lunr.js. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param index - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n  url: string, index: ObservableInput<SearchIndex>\n): SearchWorker {\n  const config = configuration()\n  const worker = new Worker(url)\n\n  /* Create communication channels and resolve relative links */\n  const tx$ = new Subject<SearchMessage>()\n  const rx$ = watchWorker(worker, { tx$ })\n    .pipe(\n      map(message => {\n        if (isSearchResultMessage(message)) {\n          for (const result of message.data)\n            for (const document of result)\n              document.location = `${config.base}/${document.location}`\n        }\n        return message\n      }),\n      share()\n    )\n\n  /* Set up search index */\n  from(index)\n    .pipe(\n      map<SearchIndex, SearchSetupMessage>(data => ({\n        type: SearchMessageType.SETUP,\n        data: setupSearchIndex(data)\n      }))\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Return search worker */\n  return { tx$, rx$ }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\nimport { getElementOrThrow, requestJSON } from \"~/browser\"\nimport { Version, renderVersionSelector } from \"~/templates\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n */\nexport function setupVersionSelector(): void {\n  const config = configuration()\n  requestJSON<Version[]>(new URL(\"versions.json\", config.base))\n    .subscribe(versions => {\n      const topic = getElementOrThrow(\".md-header__topic\")\n      topic.appendChild(renderVersionSelector(versions))\n    })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  combineLatest,\n  fromEvent,\n  merge\n} from \"rxjs\"\nimport {\n  delay,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  takeLast,\n  takeUntil,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetSearchQueryPlaceholder,\n  setSearchQueryPlaceholder\n} from \"~/actions\"\nimport {\n  setElementFocus,\n  setToggle,\n  watchElementFocus\n} from \"~/browser\"\nimport {\n  SearchMessageType,\n  SearchQueryMessage,\n  SearchWorker,\n  defaultTransform\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n  value: string                        /* Query value */\n  focus: boolean                       /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n  el: HTMLInputElement\n): Observable<SearchQuery> {\n  const fn = __search?.transform || defaultTransform\n\n  /* Intercept focus and input events */\n  const focus$ = watchElementFocus(el)\n  const value$ = merge(\n    fromEvent(el, \"keyup\"),\n    fromEvent(el, \"focus\").pipe(delay(1))\n  )\n    .pipe(\n      map(() => fn(el.value)),\n      distinctUntilChanged()\n    )\n\n  /* Combine into single observable */\n  return combineLatest([value$, focus$])\n    .pipe(\n      map(([value, focus]) => ({ value, focus }))\n    )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n  el: HTMLInputElement, { tx$ }: SearchWorker\n): Observable<Component<SearchQuery, HTMLInputElement>> {\n  const internal$ = new Subject<SearchQuery>()\n\n  /* Handle value changes */\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"value\"),\n      map(({ value }): SearchQueryMessage => ({\n        type: SearchMessageType.QUERY,\n        data: value\n      }))\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Handle focus changes */\n  internal$\n    .pipe(\n      distinctUntilKeyChanged(\"focus\")\n    )\n      .subscribe(({ focus }) => {\n        if (focus) {\n          setToggle(\"search\", focus)\n          setSearchQueryPlaceholder(el, \"\")\n        } else {\n          resetSearchQueryPlaceholder(el)\n        }\n      })\n\n  /* Handle reset */\n  fromEvent(el.form!, \"reset\")\n    .pipe(\n      takeUntil(internal$.pipe(takeLast(1)))\n    )\n      .subscribe(() => setElementFocus(el))\n\n  /* Create and return component */\n  return watchSearchQuery(el)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  merge,\n  of\n} from \"rxjs\"\nimport {\n  bufferCount,\n  filter,\n  finalize,\n  map,\n  observeOn,\n  startWith,\n  switchMap,\n  tap,\n  withLatestFrom,\n  zipWith\n} from \"rxjs/operators\"\n\nimport {\n  addToSearchResultList,\n  resetSearchResultList,\n  resetSearchResultMeta,\n  setSearchResultMeta\n} from \"~/actions\"\nimport {\n  getElementOrThrow,\n  watchElementThreshold\n} from \"~/browser\"\nimport {\n  SearchResult as SearchResultData,\n  SearchWorker,\n  isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResult } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n  data: SearchResultData[]             /* Search result data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n  el: HTMLElement, { rx$ }: SearchWorker, { query$ }: MountOptions\n): Observable<Component<SearchResult>> {\n  const internal$ = new Subject<SearchResult>()\n  const boundary$ = watchElementThreshold(el.parentElement!)\n    .pipe(\n      filter(Boolean)\n    )\n\n  /* Update search result metadata */\n  const meta = getElementOrThrow(\":scope > :first-child\", el)\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      withLatestFrom(query$)\n    )\n      .subscribe(([{ data }, { value }]) => {\n        if (value)\n          setSearchResultMeta(meta, data.length)\n        else\n          resetSearchResultMeta(meta)\n      })\n\n  /* Update search result list */\n  const list = getElementOrThrow(\":scope > :last-child\", el)\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      tap(() => resetSearchResultList(list)),\n      switchMap(({ data }) => merge(\n        of(...data.slice(0, 10)),\n        of(...data.slice(10))\n          .pipe(\n            bufferCount(4),\n            zipWith(boundary$),\n            switchMap(([chunk]) => of(...chunk))\n          )\n      ))\n    )\n      .subscribe(result => {\n        addToSearchResultList(list, renderSearchResult(result))\n      })\n\n  /* Filter search result list */\n  const result$ = rx$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => ({ data })),\n      startWith({ data: [] })\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, ObservableInput, merge } from \"rxjs\"\nimport { filter, sample, take } from \"rxjs/operators\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Keyboard,\n  getActiveElement,\n  getElements,\n  setElementFocus,\n  setElementSelection,\n  setToggle\n} from \"~/browser\"\nimport {\n  SearchIndex,\n  isSearchQueryMessage,\n  isSearchReadyMessage,\n  setupSearchWorker\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\nimport { SearchQuery, mountSearchQuery } from \"../query\"\nimport { SearchResult, mountSearchResult } from \"../result\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n  | SearchQuery\n  | SearchResult\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n  el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable<Component<Search>> {\n  const config = configuration()\n  const worker = setupSearchWorker(config.search, index$)\n\n  /* Retrieve nested components */\n  const query  = getComponentElement(\"search-query\", el)\n  const result = getComponentElement(\"search-result\", el)\n\n  /* Re-emit query when search is ready */\n  const { tx$, rx$ } = worker\n  tx$\n    .pipe(\n      filter(isSearchQueryMessage),\n      sample(rx$.pipe(filter(isSearchReadyMessage))),\n      take(1)\n    )\n      .subscribe(tx$.next.bind(tx$))\n\n  /* Set up search keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"search\")\n    )\n      .subscribe(key => {\n        const active = getActiveElement()\n        switch (key.type) {\n\n          /* Enter: prevent form submission */\n          case \"Enter\":\n            if (active === query)\n              key.claim()\n            break\n\n          /* Escape or Tab: close search */\n          case \"Escape\":\n          case \"Tab\":\n            setToggle(\"search\", false)\n            setElementFocus(query, false)\n            break\n\n          /* Vertical arrows: select previous or next search result */\n          case \"ArrowUp\":\n          case \"ArrowDown\":\n            if (typeof active === \"undefined\") {\n              setElementFocus(query)\n            } else {\n              const els = [query, ...getElements(\n                \":not(details) > [href], summary, details[open] [href]\",\n                result\n              )]\n              const i = Math.max(0, (\n                Math.max(0, els.indexOf(active)) + els.length + (\n                  key.type === \"ArrowUp\" ? -1 : +1\n                )\n              ) % els.length)\n              setElementFocus(els[i])\n            }\n\n            /* Prevent scrolling of page */\n            key.claim()\n            break\n\n          /* All other keys: hand to search query */\n          default:\n            if (query !== getActiveElement())\n              setElementFocus(query)\n        }\n      })\n\n  /* Set up global keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"global\"),\n    )\n      .subscribe(key => {\n        switch (key.type) {\n\n          /* Open search and select query */\n          case \"f\":\n          case \"s\":\n          case \"/\":\n            setElementFocus(query)\n            setElementSelection(query)\n            key.claim()\n            break\n        }\n      })\n\n  /* Create and return component */\n  const query$ = mountSearchQuery(query, worker)\n  return merge(\n    query$,\n    mountSearchResult(result, worker, { query$ })\n  )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest\n} from \"rxjs\"\nimport {\n  distinctUntilChanged,\n  finalize,\n  map,\n  observeOn,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n  resetSidebarHeight,\n  resetSidebarOffset,\n  setSidebarHeight,\n  setSidebarOffset\n} from \"~/actions\"\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n  height: number                       /* Sidebar height */\n  locked: boolean                      /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n  el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable<Sidebar> {\n  const adjust =\n    el.parentElement!.offsetTop -\n    el.parentElement!.parentElement!.offsetTop\n\n  /* Compute the sidebar's available height and if it should be locked */\n  return combineLatest([main$, viewport$])\n    .pipe(\n      map(([{ offset, height }, { offset: { y } }]) => {\n        height = height\n          + Math.min(adjust, Math.max(0, y - offset))\n          - adjust\n        return {\n          height,\n          locked: y >= offset + adjust\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.locked === b.locked\n      ))\n    )\n}\n\n/**\n * Mount sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n  el: HTMLElement, { header$, ...options }: MountOptions\n): Observable<Component<Sidebar>> {\n  const internal$ = new Subject<Sidebar>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n      withLatestFrom(header$)\n    )\n      .subscribe({\n\n        /* Update height and offset */\n        next([{ height }, { height: offset }]) {\n          setSidebarHeight(el, height)\n          setSidebarOffset(el, offset)\n        },\n\n        /* Reset on complete */\n        complete() {\n          resetSidebarOffset(el)\n          resetSidebarHeight(el)\n        }\n      })\n\n  /* Create and return component */\n  return watchSidebar(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport { Observable, zip } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n  tag_name: string                     /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n  user: string, repo?: string\n): Observable<SourceFacts> {\n  if (typeof repo !== \"undefined\") {\n    const url = `https://api.github.com/repos/${user}/${repo}`\n    return zip(\n\n      /* Fetch version */\n      requestJSON<Release>(`${url}/releases/latest`)\n        .pipe(\n          map(release => ({\n            version: release.tag_name\n          })),\n          defaultIfEmpty({})\n        ),\n\n      /* Fetch stars and forks */\n      requestJSON<Repo>(url)\n        .pipe(\n          map(info => ({\n            stars: info.stargazers_count,\n            forks: info.forks_count\n          })),\n          defaultIfEmpty({})\n        )\n    )\n      .pipe(\n        map(([release, info]) => ({ ...release, ...info }))\n      )\n\n  /* User or organization */\n  } else {\n    const url = `https://api.github.com/repos/${user}`\n    return requestJSON<User>(url)\n      .pipe(\n        map(info => ({\n          repositories: info.public_repos\n        })),\n        defaultIfEmpty({})\n      )\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport { Observable } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n  base: string, project: string\n): Observable<SourceFacts> {\n  const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n  return requestJSON<ProjectSchema>(url)\n    .pipe(\n      map(({ star_count, forks_count }) => ({\n        stars: star_count,\n        forks: forks_count\n      })),\n      defaultIfEmpty({})\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n  stars?: number                       /* Number of stars */\n  forks?: number                       /* Number of forks */\n  version?: string                     /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n  repositories?: number                /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n  | RepositoryFacts\n  | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n  url: string\n): Observable<SourceFacts> {\n  const [type] = url.match(/(git(?:hub|lab))/i) || []\n  switch (type.toLowerCase()) {\n\n    /* GitHub repository */\n    case \"github\":\n      const [, user, repo] = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)!\n      return fetchSourceFactsFromGitHub(user, repo)\n\n    /* GitLab repository */\n    case \"gitlab\":\n      const [, base, slug] = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)!\n      return fetchSourceFactsFromGitLab(base, slug)\n\n    /* Everything else */\n    default:\n      return NEVER\n  }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, Subject, defer, of } from \"rxjs\"\nimport {\n  catchError,\n  filter,\n  finalize,\n  map,\n  shareReplay,\n  tap\n} from \"rxjs/operators\"\n\nimport { setSourceFacts, setSourceState } from \"~/actions\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { SourceFacts, fetchSourceFacts } from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n  facts: SourceFacts                   /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable<Source>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n  el: HTMLAnchorElement\n): Observable<Source> {\n  return fetch$ ||= defer(() => {\n    const data = sessionStorage.getItem(__prefix(\"__source\"))\n    if (data) {\n      return of<SourceFacts>(JSON.parse(data))\n    } else {\n      const value$ = fetchSourceFacts(el.href)\n      value$.subscribe(value => {\n        try {\n          sessionStorage.setItem(__prefix(\"__source\"), JSON.stringify(value))\n        } catch (err) {\n          /* Uncritical, just swallow */\n        }\n      })\n\n      /* Return value */\n      return value$\n    }\n  })\n    .pipe(\n      catchError(() => NEVER),\n      filter(facts => Object.keys(facts).length > 0),\n      map(facts => ({ facts })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n  el: HTMLAnchorElement\n): Observable<Component<Source>> {\n  const internal$ = new Subject<Source>()\n  internal$.subscribe(({ facts }) => {\n    setSourceFacts(el, renderSourceFacts(facts))\n    setSourceState(el, \"done\")\n  })\n\n  /* Create and return component */\n  return watchSource(el)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, animationFrameScheduler } from \"rxjs\"\nimport {\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport { resetTabsState, setTabsState } from \"~/actions\"\nimport {\n  Viewport,\n  watchElementSize,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n  hidden: boolean                      /* User scrolled past tabs */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Tabs> {\n  return watchElementSize(document.body)\n    .pipe(\n      switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n      map(({ offset: { y } }) => {\n        return {\n          hidden: y >= 10\n        }\n      }),\n      distinctUntilKeyChanged(\"hidden\")\n    )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Tabs>> {\n  const internal$ = new Subject<Tabs>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe({\n\n        /* Update state */\n        next({ hidden }) {\n          if (hidden)\n            setTabsState(el, \"hidden\")\n          else\n            resetTabsState(el)\n        },\n\n        /* Reset on complete */\n        complete() {\n          resetTabsState(el)\n        }\n      })\n\n  /* Create and return component */\n  return watchTabs(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest\n} from \"rxjs\"\nimport {\n  bufferCount,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  scan,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport {\n  resetAnchorActive,\n  resetAnchorState,\n  setAnchorActive,\n  setAnchorState\n} from \"~/actions\"\nimport {\n  Viewport,\n  getElement,\n  getElements,\n  watchElementSize\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n  prev: HTMLAnchorElement[][]          /* Anchors (previous) */\n  next: HTMLAnchorElement[][]          /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param anchors - Anchor elements\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n  anchors: HTMLAnchorElement[], { viewport$, header$ }: WatchOptions\n): Observable<TableOfContents> {\n  const table = new Map<HTMLAnchorElement, HTMLElement>()\n  for (const anchor of anchors) {\n    const id = decodeURIComponent(anchor.hash.substring(1))\n    const target = getElement(`[id=\"${id}\"]`)\n    if (typeof target !== \"undefined\")\n      table.set(anchor, target)\n  }\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(header => 24 + header.height)\n    )\n\n  /* Compute partition of previous and next anchors */\n  const partition$ = watchElementSize(document.body)\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n\n      /* Build index to map anchor paths to vertical offsets */\n      map(() => {\n        let path: HTMLAnchorElement[] = []\n        return [...table].reduce((index, [anchor, target]) => {\n          while (path.length) {\n            const last = table.get(path[path.length - 1])!\n            if (last.tagName >= target.tagName) {\n              path.pop()\n            } else {\n              break\n            }\n          }\n\n          /* If the current anchor is hidden, continue with its parent */\n          let offset = target.offsetTop\n          while (!offset && target.parentElement) {\n            target = target.parentElement\n            offset = target.offsetTop\n          }\n\n          /* Map reversed anchor path to vertical offset */\n          return index.set(\n            [...path = [...path, anchor]].reverse(),\n            offset\n          )\n        }, new Map<HTMLAnchorElement[], number>())\n      }),\n\n      /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n      map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n\n      /* Re-compute partition when viewport offset changes */\n      switchMap(index => combineLatest([adjust$, viewport$])\n        .pipe(\n          scan(([prev, next], [adjust, { offset: { y } }]) => {\n\n            /* Look forward */\n            while (next.length) {\n              const [, offset] = next[0]\n              if (offset - adjust < y) {\n                prev = [...prev, next.shift()!]\n              } else {\n                break\n              }\n            }\n\n            /* Look backward */\n            while (prev.length) {\n              const [, offset] = prev[prev.length - 1]\n              if (offset - adjust >= y) {\n                next = [prev.pop()!, ...next]\n              } else {\n                break\n              }\n            }\n\n            /* Return partition */\n            return [prev, next]\n          }, [[], [...index]]),\n          distinctUntilChanged((a, b) => (\n            a[0] === b[0] &&\n            a[1] === b[1]\n          ))\n        )\n      )\n    )\n\n  /* Compute and return anchor list migrations */\n  return partition$\n    .pipe(\n      map(([prev, next]) => ({\n        prev: prev.map(([path]) => path),\n        next: next.map(([path]) => path)\n      })),\n\n      /* Extract anchor list migrations */\n      startWith({ prev: [], next: [] }),\n      bufferCount(2, 1),\n      map(([a, b]) => {\n\n        /* Moving down */\n        if (a.prev.length < b.prev.length) {\n          return {\n            prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n            next: []\n          }\n\n        /* Moving up */\n        } else {\n          return {\n            prev: b.prev.slice(-1),\n            next: b.next.slice(0, b.next.length - a.next.length)\n          }\n        }\n      })\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Anchor list element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<TableOfContents>> {\n  const internal$ = new Subject<TableOfContents>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler),\n    )\n      .subscribe(({ prev, next }) => {\n\n        /* Look forward */\n        for (const [anchor] of next) {\n          resetAnchorActive(anchor)\n          resetAnchorState(anchor)\n        }\n\n        /* Look backward */\n        for (const [index, [anchor]] of prev.entries()) {\n          setAnchorActive(anchor, index === prev.length - 1)\n          setAnchorState(anchor, \"blur\")\n        }\n      })\n\n  /* Create and return component */\n  const anchors = getElements<HTMLAnchorElement>(\"[href^=\\\\#]\", el)\n  return watchTableOfContents(anchors, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest\n} from \"rxjs\"\nimport {\n  bufferCount,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  observeOn,\n  tap\n} from \"rxjs/operators\"\n\nimport { resetBackToTopState, setBackToTopState } from \"~/actions\"\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n  hidden: boolean                      /* User scrolled up */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n  _el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable<BackToTop> {\n\n  /* Compute direction */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => a > b),\n      distinctUntilChanged()\n    )\n\n  /* Compute whether button should be hidden */\n  const hidden$ = main$\n    .pipe(\n      distinctUntilKeyChanged(\"active\")\n    )\n\n  /* Compute threshold for hiding */\n  return combineLatest([hidden$, direction$])\n    .pipe(\n      map(([{ active }, direction]) => ({\n        hidden: !(active && direction)\n      })),\n      distinctUntilChanged((a, b) => (\n        a.hidden === b.hidden\n      ))\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<BackToTop>> {\n  const internal$ = new Subject<BackToTop>()\n  internal$\n    .pipe(\n      observeOn(animationFrameScheduler)\n    )\n      .subscribe({\n\n        /* Update state */\n        next({ hidden }) {\n          if (hidden)\n            setBackToTopState(el, \"hidden\")\n          else\n            resetBackToTopState(el)\n        },\n\n        /* Reset on complete */\n        complete() {\n          resetBackToTopState(el)\n        }\n      })\n\n  /* Create and return component */\n  return watchBackToTop(el, options)\n    .pipe(\n      tap(internal$),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n  mapTo,\n  mergeMap,\n  switchMap,\n  takeWhile,\n  tap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  tablet$: Observable<boolean>         /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n  { document$, tablet$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => of(...getElements<HTMLInputElement>(\n        \"[data-md-state=indeterminate]\"\n      ))),\n      tap(el => {\n        el.indeterminate = true\n        el.checked = false\n      }),\n      mergeMap(el => fromEvent(el, \"change\")\n        .pipe(\n          takeWhile(() => el.hasAttribute(\"data-md-state\")),\n          mapTo(el)\n        )\n      ),\n      withLatestFrom(tablet$)\n    )\n      .subscribe(([el, tablet]) => {\n        el.removeAttribute(\"data-md-state\")\n        if (tablet)\n          el.checked = false\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n  filter,\n  mapTo,\n  mergeMap,\n  switchMap,\n  tap\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n  return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n  { document$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => of(...getElements(\"[data-md-scrollfix]\"))),\n      tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n      filter(isAppleDevice),\n      mergeMap(el => fromEvent(el, \"touchstart\")\n        .pipe(\n          mapTo(el)\n        )\n      )\n    )\n      .subscribe(el => {\n        const top = el.scrollTop\n\n        /* We're at the top of the container */\n        if (top === 0) {\n          el.scrollTop = 1\n\n        /* We're at the bottom of the container */\n        } else if (top + el.offsetHeight === el.scrollHeight) {\n          el.scrollTop = top - 1\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  combineLatest,\n  of\n} from \"rxjs\"\nimport {\n  delay,\n  map,\n  observeOn,\n  switchMap,\n  withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetScrollLock, setScrollLock } from \"~/actions\"\nimport { Viewport, watchToggle } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  tablet$: Observable<boolean>         /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n  { viewport$, tablet$ }: PatchOptions\n): void {\n  combineLatest([watchToggle(\"search\"), tablet$])\n    .pipe(\n      map(([active, tablet]) => active && !tablet),\n      switchMap(active => of(active)\n        .pipe(\n          delay(active ? 400 : 100),\n          observeOn(animationFrameScheduler)\n        )\n      ),\n      withLatestFrom(viewport$)\n    )\n      .subscribe(([active, { offset: { y }}]) => {\n        if (active)\n          setScrollLock(document.body, y)\n        else\n          resetScrollLock(document.body)\n      })\n}\n"],
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diff --git a/edge/assets/stylesheets/main.33e2939f.min.css b/edge/assets/stylesheets/main.33e2939f.min.css
new file mode 100644
index 00000000..54d21631
--- /dev/null
+++ b/edge/assets/stylesheets/main.33e2939f.min.css
@@ -0,0 +1,2 @@
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Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Keyboard key\n  .keys {\n\n    // Keyboard key icon\n    kbd::before,\n    kbd::after {\n      position: relative;\n      margin: 0;\n      color: inherit;\n      -moz-osx-font-smoothing: initial;\n      -webkit-font-smoothing: initial;\n    }\n\n    // Surrounding text\n    span {\n      padding: 0 px2em(3.2px);\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Define keyboard keys with left icon\n    @each $name, $code in (\n\n      // Modifiers\n      \"alt\":           \"\\2387\",\n      \"left-alt\":      \"\\2387\",\n      \"right-alt\":     \"\\2387\",\n      \"command\":       \"\\2318\",\n      \"left-command\":  \"\\2318\",\n      \"right-command\": \"\\2318\",\n      \"control\":       \"\\2303\",\n      \"left-control\":  \"\\2303\",\n      \"right-control\": \"\\2303\",\n      \"meta\":          \"\\25C6\",\n      \"left-meta\":     \"\\25C6\",\n      \"right-meta\":    \"\\25C6\",\n      \"option\":        \"\\2325\",\n      \"left-option\":   \"\\2325\",\n      \"right-option\":  \"\\2325\",\n      \"shift\":         \"\\21E7\",\n      \"left-shift\":    \"\\21E7\",\n      \"right-shift\":   \"\\21E7\",\n      \"super\":         \"\\2756\",\n      \"left-super\":    \"\\2756\",\n      \"right-super\":   \"\\2756\",\n      \"windows\":       \"\\229E\",\n      \"left-windows\":  \"\\229E\",\n      \"right-windows\": \"\\229E\",\n\n      // Other keys\n      \"arrow-down\":    \"\\2193\",\n      \"arrow-left\":    \"\\2190\",\n      \"arrow-right\":   \"\\2192\",\n      \"arrow-up\":      \"\\2191\",\n      \"backspace\":     \"\\232B\",\n      \"backtab\":       \"\\21E4\",\n      \"caps-lock\":     \"\\21EA\",\n      \"clear\":         \"\\2327\",\n      \"context-menu\":  \"\\2630\",\n      \"delete\":        \"\\2326\",\n      \"eject\":         \"\\23CF\",\n      \"end\":           \"\\2913\",\n      \"escape\":        \"\\238B\",\n      \"home\":          \"\\2912\",\n      \"insert\":        \"\\2380\",\n      \"page-down\":     \"\\21DF\",\n      \"page-up\":       \"\\21DE\",\n      \"print-screen\":  \"\\2399\"\n    ) {\n      .key-#{$name} {\n        &::before {\n          padding-right: px2em(6.4px);\n          content: $code;\n        }\n      }\n    }\n\n    // Define keyboard keys with right icon\n    @each $name, $code in (\n      \"tab\":           \"\\21E5\",\n      \"num-enter\":     \"\\2324\",\n      \"enter\":         \"\\23CE\"\n    ) {\n      .key-#{$name} {\n        &::after {\n          padding-left: px2em(6.4px);\n          content: $code;\n        }\n      }\n    }\n  }\n}\n","@charset \"UTF-8\";\nhtml {\n  box-sizing: border-box;\n  text-size-adjust: none;\n}\n\n*,\n*::before,\n*::after {\n  box-sizing: inherit;\n}\n\nbody {\n  margin: 0;\n}\n\na,\nbutton,\nlabel,\ninput {\n  -webkit-tap-highlight-color: transparent;\n}\n\na {\n  color: inherit;\n  text-decoration: none;\n}\n\nhr {\n  display: block;\n  box-sizing: content-box;\n  height: 0.05rem;\n  padding: 0;\n  overflow: visible;\n  border: 0;\n}\n\nsmall {\n  font-size: 80%;\n}\n\nsub,\nsup {\n  line-height: 1em;\n}\n\nimg {\n  border-style: none;\n}\n\ntable {\n  border-collapse: separate;\n  border-spacing: 0;\n}\n\ntd,\nth {\n  font-weight: 400;\n  vertical-align: top;\n}\n\nbutton {\n  margin: 0;\n  padding: 0;\n  font-size: inherit;\n  background: transparent;\n  border: 0;\n}\n\ninput {\n  border: 0;\n  outline: none;\n}\n\n:root {\n  --md-default-fg-color: hsla(0, 0%, 0%, 0.87);\n  --md-default-fg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-default-fg-color--lighter: hsla(0, 0%, 0%, 0.32);\n  --md-default-fg-color--lightest: hsla(0, 0%, 0%, 0.07);\n  --md-default-bg-color: hsla(0, 0%, 100%, 1);\n  --md-default-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-default-bg-color--lighter: hsla(0, 0%, 100%, 0.3);\n  --md-default-bg-color--lightest: hsla(0, 0%, 100%, 0.12);\n  --md-primary-fg-color: hsla(231, 48%, 48%, 1);\n  --md-primary-fg-color--light: hsla(231, 44%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(232, 54%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n  --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n:root > * {\n  --md-code-fg-color: hsla(200, 18%, 26%, 1);\n  --md-code-bg-color: hsla(0, 0%, 96%, 1);\n  --md-code-hl-color: hsla(60, 100%, 50%, 0.5);\n  --md-code-hl-number-color: hsla(0, 67%, 50%, 1);\n  --md-code-hl-special-color: hsla(340, 83%, 47%, 1);\n  --md-code-hl-function-color: hsla(291, 45%, 50%, 1);\n  --md-code-hl-constant-color: hsla(250, 63%, 60%, 1);\n  --md-code-hl-keyword-color: hsla(219, 54%, 51%, 1);\n  --md-code-hl-string-color: hsla(150, 63%, 30%, 1);\n  --md-code-hl-name-color: var(--md-code-fg-color);\n  --md-code-hl-operator-color: var(--md-default-fg-color--light);\n  --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n  --md-code-hl-comment-color: var(--md-default-fg-color--light);\n  --md-code-hl-generic-color: var(--md-default-fg-color--light);\n  --md-code-hl-variable-color: var(--md-default-fg-color--light);\n  --md-typeset-color: var(--md-default-fg-color);\n  --md-typeset-a-color: var(--md-primary-fg-color);\n  --md-typeset-mark-color: hsla(60, 100%, 50%, 0.5);\n  --md-typeset-del-color: hsla(6, 90%, 60%, 0.15);\n  --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15);\n  --md-typeset-kbd-color: hsla(0, 0%, 98%, 1);\n  --md-typeset-kbd-accent-color: hsla(0, 100%, 100%, 1);\n  --md-typeset-kbd-border-color: hsla(0, 0%, 72%, 1);\n  --md-admonition-fg-color: var(--md-default-fg-color);\n  --md-admonition-bg-color: var(--md-default-bg-color);\n  --md-footer-fg-color: hsla(0, 0%, 100%, 1);\n  --md-footer-fg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-footer-fg-color--lighter: hsla(0, 0%, 100%, 0.3);\n  --md-footer-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-footer-bg-color--dark: hsla(0, 0%, 0%, 0.32);\n}\n\n.md-icon svg {\n  display: block;\n  width: 1.2rem;\n  height: 1.2rem;\n  fill: currentColor;\n}\n\nbody {\n  -webkit-font-smoothing: antialiased;\n  -moz-osx-font-smoothing: grayscale;\n}\n\nbody,\ninput {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\", \"liga\";\n  font-family: var(--md-text-font-family, _), -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\ncode,\npre,\nkbd {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\";\n  font-family: var(--md-code-font-family, _), SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n:root {\n  --md-typeset-table--ascending: svg-load(\"material/arrow-down.svg\");\n  --md-typeset-table--descending: svg-load(\"material/arrow-up.svg\");\n}\n\n.md-typeset {\n  font-size: 0.8rem;\n  line-height: 1.6;\n  color-adjust: exact;\n}\n@media print {\n  .md-typeset {\n    font-size: 0.68rem;\n  }\n}\n.md-typeset ul,\n.md-typeset ol,\n.md-typeset dl,\n.md-typeset figure,\n.md-typeset blockquote,\n.md-typeset pre {\n  display: flow-root;\n  margin: 1em 0;\n}\n.md-typeset h1 {\n  margin: 0 0 1.25em;\n  color: var(--md-default-fg-color--light);\n  font-weight: 300;\n  font-size: 2em;\n  line-height: 1.3;\n  letter-spacing: -0.01em;\n}\n.md-typeset h2 {\n  margin: 1.6em 0 0.64em;\n  font-weight: 300;\n  font-size: 1.5625em;\n  line-height: 1.4;\n  letter-spacing: -0.01em;\n}\n.md-typeset h3 {\n  margin: 1.6em 0 0.8em;\n  font-weight: 400;\n  font-size: 1.25em;\n  line-height: 1.5;\n  letter-spacing: -0.01em;\n}\n.md-typeset h2 + h3 {\n  margin-top: 0.8em;\n}\n.md-typeset h4 {\n  margin: 1em 0;\n  font-weight: 700;\n  letter-spacing: -0.01em;\n}\n.md-typeset h5,\n.md-typeset h6 {\n  margin: 1.25em 0;\n  color: var(--md-default-fg-color--light);\n  font-weight: 700;\n  font-size: 0.8em;\n  letter-spacing: -0.01em;\n}\n.md-typeset h5 {\n  text-transform: uppercase;\n}\n.md-typeset hr {\n  display: flow-root;\n  margin: 1.5em 0;\n  border-bottom: 0.05rem solid var(--md-default-fg-color--lightest);\n}\n.md-typeset a {\n  color: var(--md-typeset-a-color);\n  word-break: break-word;\n}\n.md-typeset a, .md-typeset a::before {\n  transition: color 125ms;\n}\n.md-typeset a:focus, .md-typeset a:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n  color: var(--md-code-fg-color);\n  direction: ltr;\n}\n@media print {\n  .md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n    white-space: pre-wrap;\n  }\n}\n.md-typeset code {\n  padding: 0 0.2941176471em;\n  font-size: 0.85em;\n  word-break: break-word;\n  background-color: var(--md-code-bg-color);\n  border-radius: 0.1rem;\n  box-decoration-break: clone;\n}\n.md-typeset code:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset h1 code,\n.md-typeset h2 code,\n.md-typeset h3 code,\n.md-typeset h4 code,\n.md-typeset h5 code,\n.md-typeset h6 code {\n  margin: initial;\n  padding: initial;\n  background-color: transparent;\n  box-shadow: none;\n}\n.md-typeset a code {\n  color: currentColor;\n}\n.md-typeset pre {\n  position: relative;\n  line-height: 1.4;\n}\n.md-typeset pre > code {\n  display: block;\n  margin: 0;\n  padding: 0.7720588235em 1.1764705882em;\n  overflow: auto;\n  word-break: normal;\n  box-shadow: none;\n  box-decoration-break: slice;\n  touch-action: auto;\n  scrollbar-width: thin;\n  scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-typeset pre > code:hover {\n  scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-typeset pre > code::-webkit-scrollbar {\n  width: 0.2rem;\n  height: 0.2rem;\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb {\n  background-color: var(--md-default-fg-color--lighter);\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb:hover {\n  background-color: var(--md-accent-fg-color);\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset > pre {\n    margin: 1em -0.8rem;\n  }\n  .md-typeset > pre code {\n    border-radius: 0;\n  }\n}\n.md-typeset kbd {\n  display: inline-block;\n  padding: 0 0.6666666667em;\n  color: var(--md-default-fg-color);\n  font-size: 0.75em;\n  vertical-align: text-top;\n  word-break: break-word;\n  background-color: var(--md-typeset-kbd-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.1rem 0 0.05rem var(--md-typeset-kbd-border-color), 0 0.1rem 0 var(--md-typeset-kbd-border-color), 0 -0.1rem 0.2rem var(--md-typeset-kbd-accent-color) inset;\n}\n.md-typeset mark {\n  color: inherit;\n  word-break: break-word;\n  background-color: var(--md-typeset-mark-color);\n  box-decoration-break: clone;\n}\n.md-typeset abbr {\n  text-decoration: none;\n  border-bottom: 0.05rem dotted var(--md-default-fg-color--light);\n  cursor: help;\n}\n@media (hover: none) {\n  .md-typeset abbr {\n    position: relative;\n  }\n  .md-typeset abbr[title]:focus::after, .md-typeset abbr[title]:hover::after {\n    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n    position: absolute;\n    left: 0;\n    display: inline-block;\n    width: auto;\n    min-width: max-content;\n    max-width: 80%;\n    margin-top: 2em;\n    padding: 0.2rem 0.3rem;\n    color: var(--md-default-bg-color);\n    font-size: 0.7rem;\n    background-color: var(--md-default-fg-color);\n    border-radius: 0.1rem;\n    content: attr(title);\n  }\n}\n.md-typeset small {\n  opacity: 0.75;\n}\n.md-typeset sup,\n.md-typeset sub {\n  margin-left: 0.078125em;\n}\n[dir=rtl] .md-typeset sup,\n[dir=rtl] .md-typeset sub {\n  margin-right: 0.078125em;\n  margin-left: initial;\n}\n.md-typeset blockquote {\n  padding-left: 0.6rem;\n  color: var(--md-default-fg-color--light);\n  border-left: 0.2rem solid var(--md-default-fg-color--lighter);\n}\n[dir=rtl] .md-typeset blockquote {\n  padding-right: 0.6rem;\n  padding-left: initial;\n  border-right: 0.2rem solid var(--md-default-fg-color--lighter);\n  border-left: initial;\n}\n.md-typeset ul {\n  list-style-type: disc;\n}\n.md-typeset ul,\n.md-typeset ol {\n  margin-left: 0.625em;\n  padding: 0;\n}\n[dir=rtl] .md-typeset ul,\n[dir=rtl] .md-typeset ol {\n  margin-right: 0.625em;\n  margin-left: initial;\n}\n.md-typeset ul ol,\n.md-typeset ol ol {\n  list-style-type: lower-alpha;\n}\n.md-typeset ul ol ol,\n.md-typeset ol ol ol {\n  list-style-type: lower-roman;\n}\n.md-typeset ul li,\n.md-typeset ol li {\n  margin-bottom: 0.5em;\n  margin-left: 1.25em;\n}\n[dir=rtl] .md-typeset ul li,\n[dir=rtl] .md-typeset ol li {\n  margin-right: 1.25em;\n  margin-left: initial;\n}\n.md-typeset ul li p,\n.md-typeset ul li blockquote,\n.md-typeset ol li p,\n.md-typeset ol li blockquote {\n  margin: 0.5em 0;\n}\n.md-typeset ul li:last-child,\n.md-typeset ol li:last-child {\n  margin-bottom: 0;\n}\n.md-typeset ul li ul,\n.md-typeset ul li ol,\n.md-typeset ol li ul,\n.md-typeset ol li ol {\n  margin: 0.5em 0 0.5em 0.625em;\n}\n[dir=rtl] .md-typeset ul li ul,\n[dir=rtl] .md-typeset ul li ol,\n[dir=rtl] .md-typeset ol li ul,\n[dir=rtl] .md-typeset ol li ol {\n  margin-right: 0.625em;\n  margin-left: initial;\n}\n.md-typeset dd {\n  margin: 1em 0 1.5em 1.875em;\n}\n[dir=rtl] .md-typeset dd {\n  margin-right: 1.875em;\n  margin-left: initial;\n}\n.md-typeset img,\n.md-typeset svg {\n  max-width: 100%;\n  height: auto;\n}\n.md-typeset img[align=left],\n.md-typeset svg[align=left] {\n  margin: 1em;\n  margin-left: 0;\n}\n.md-typeset img[align=right],\n.md-typeset svg[align=right] {\n  margin: 1em;\n  margin-right: 0;\n}\n.md-typeset img[align]:only-child,\n.md-typeset svg[align]:only-child {\n  margin-top: 0;\n}\n.md-typeset figure {\n  width: fit-content;\n  max-width: 100%;\n  margin: 0 auto;\n  text-align: center;\n}\n.md-typeset figure img {\n  display: block;\n}\n.md-typeset figcaption {\n  max-width: 24rem;\n  margin: 1em auto 2em;\n  font-style: italic;\n}\n.md-typeset iframe {\n  max-width: 100%;\n}\n.md-typeset table:not([class]) {\n  display: inline-block;\n  max-width: 100%;\n  overflow: auto;\n  font-size: 0.64rem;\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0 0.05rem rgba(0, 0, 0, 0.1);\n  touch-action: auto;\n}\n@media print {\n  .md-typeset table:not([class]) {\n    display: table;\n  }\n}\n.md-typeset table:not([class]) + * {\n  margin-top: 1.5em;\n}\n.md-typeset table:not([class]) th > *:first-child,\n.md-typeset table:not([class]) td > *:first-child {\n  margin-top: 0;\n}\n.md-typeset table:not([class]) th > *:last-child,\n.md-typeset table:not([class]) td > *:last-child {\n  margin-bottom: 0;\n}\n.md-typeset table:not([class]) th:not([align]),\n.md-typeset table:not([class]) td:not([align]) {\n  text-align: left;\n}\n[dir=rtl] .md-typeset table:not([class]) th:not([align]),\n[dir=rtl] .md-typeset table:not([class]) td:not([align]) {\n  text-align: right;\n}\n.md-typeset table:not([class]) th {\n  min-width: 5rem;\n  padding: 0.9375em 1.25em;\n  color: var(--md-default-bg-color);\n  vertical-align: top;\n  background-color: var(--md-default-fg-color--light);\n}\n.md-typeset table:not([class]) th a {\n  color: inherit;\n}\n.md-typeset table:not([class]) td {\n  padding: 0.9375em 1.25em;\n  vertical-align: top;\n  border-top: 0.05rem solid var(--md-default-fg-color--lightest);\n}\n.md-typeset table:not([class]) tr {\n  transition: background-color 125ms;\n}\n.md-typeset table:not([class]) tr:hover {\n  background-color: rgba(0, 0, 0, 0.035);\n  box-shadow: 0 0.05rem 0 var(--md-default-bg-color) inset;\n}\n.md-typeset table:not([class]) tr:first-child td {\n  border-top: 0;\n}\n.md-typeset table:not([class]) a {\n  word-break: normal;\n}\n.md-typeset table th[role=columnheader] {\n  cursor: pointer;\n}\n.md-typeset table th[role=columnheader]::after {\n  display: inline-block;\n  width: 1.2em;\n  height: 1.2em;\n  margin-left: 0.5em;\n  vertical-align: sub;\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n.md-typeset table th[role=columnheader][aria-sort=ascending]::after {\n  background-color: currentColor;\n  mask-image: var(--md-typeset-table--ascending);\n}\n.md-typeset table th[role=columnheader][aria-sort=descending]::after {\n  background-color: currentColor;\n  mask-image: var(--md-typeset-table--descending);\n}\n.md-typeset__scrollwrap {\n  margin: 1em -0.8rem;\n  overflow-x: auto;\n  touch-action: auto;\n}\n.md-typeset__table {\n  display: inline-block;\n  margin-bottom: 0.5em;\n  padding: 0 0.8rem;\n}\n@media print {\n  .md-typeset__table {\n    display: block;\n  }\n}\nhtml .md-typeset__table table {\n  display: table;\n  width: 100%;\n  margin: 0;\n  overflow: hidden;\n}\n\nhtml {\n  height: 100%;\n  overflow-x: hidden;\n  font-size: 125%;\n}\n@media screen and (min-width: 100em) {\n  html {\n    font-size: 137.5%;\n  }\n}\n@media screen and (min-width: 125em) {\n  html {\n    font-size: 150%;\n  }\n}\n\nbody {\n  position: relative;\n  display: flex;\n  flex-direction: column;\n  width: 100%;\n  min-height: 100%;\n  font-size: 0.5rem;\n  background-color: var(--md-default-bg-color);\n}\n@media print {\n  body {\n    display: block;\n  }\n}\n@media screen and (max-width: 59.9375em) {\n  body[data-md-state=lock] {\n    position: fixed;\n  }\n}\n\n.md-grid {\n  max-width: 61rem;\n  margin-right: auto;\n  margin-left: auto;\n}\n\n.md-container {\n  display: flex;\n  flex-direction: column;\n  flex-grow: 1;\n}\n@media print {\n  .md-container {\n    display: block;\n  }\n}\n\n.md-main {\n  flex-grow: 1;\n}\n.md-main__inner {\n  display: flex;\n  height: 100%;\n  margin-top: 1.5rem;\n}\n\n.md-ellipsis {\n  overflow: hidden;\n  white-space: nowrap;\n  text-overflow: ellipsis;\n}\n\n.md-toggle {\n  display: none;\n}\n\n.md-option {\n  position: absolute;\n  width: 0;\n  height: 0;\n  opacity: 0;\n}\n.md-option:checked + label:not([hidden]) {\n  display: block;\n}\n.md-option.focus-visible + label {\n  outline-style: auto;\n}\n\n.md-skip {\n  position: fixed;\n  z-index: -1;\n  margin: 0.5rem;\n  padding: 0.3rem 0.5rem;\n  color: var(--md-default-bg-color);\n  font-size: 0.64rem;\n  background-color: var(--md-default-fg-color);\n  border-radius: 0.1rem;\n  transform: translateY(0.4rem);\n  opacity: 0;\n}\n.md-skip:focus {\n  z-index: 10;\n  transform: translateY(0);\n  opacity: 1;\n  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 175ms 75ms;\n}\n\n@page {\n  margin: 25mm;\n}\n.md-announce {\n  overflow: auto;\n  background-color: var(--md-footer-bg-color);\n}\n@media print {\n  .md-announce {\n    display: none;\n  }\n}\n.md-announce__inner {\n  margin: 0.6rem auto;\n  padding: 0 0.8rem;\n  color: var(--md-footer-fg-color);\n  font-size: 0.7rem;\n}\n\n:root {\n  --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n.md-clipboard {\n  position: absolute;\n  top: 0.5em;\n  right: 0.5em;\n  z-index: 1;\n  width: 1.5em;\n  height: 1.5em;\n  color: var(--md-default-fg-color--lightest);\n  border-radius: 0.1rem;\n  cursor: pointer;\n  transition: color 250ms;\n}\n@media print {\n  .md-clipboard {\n    display: none;\n  }\n}\n.md-clipboard:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n:hover > .md-clipboard {\n  color: var(--md-default-fg-color--light);\n}\n.md-clipboard:focus, .md-clipboard:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-clipboard::after {\n  display: block;\n  width: 1.125em;\n  height: 1.125em;\n  margin: 0 auto;\n  background-color: currentColor;\n  mask-image: var(--md-clipboard-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n.md-clipboard--inline {\n  cursor: pointer;\n}\n.md-clipboard--inline code {\n  transition: color 250ms, background-color 250ms;\n}\n.md-clipboard--inline:focus code, .md-clipboard--inline:hover code {\n  color: var(--md-accent-fg-color);\n  background-color: var(--md-accent-fg-color--transparent);\n}\n\n.md-content {\n  flex-grow: 1;\n  overflow: hidden;\n  scroll-padding-top: 51.2rem;\n}\n.md-content__inner {\n  margin: 0 0.8rem 1.2rem;\n  padding-top: 0.6rem;\n}\n@media screen and (min-width: 76.25em) {\n  .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-left: 1.2rem;\n  }\n  [dir=rtl] .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 1.2rem;\n    margin-left: 0.8rem;\n  }\n  .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 1.2rem;\n  }\n  [dir=rtl] .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 0.8rem;\n    margin-left: 1.2rem;\n  }\n}\n.md-content__inner::before {\n  display: block;\n  height: 0.4rem;\n  content: \"\";\n}\n.md-content__inner > :last-child {\n  margin-bottom: 0;\n}\n.md-content__button {\n  float: right;\n  margin: 0.4rem 0;\n  margin-left: 0.4rem;\n  padding: 0;\n}\n@media print {\n  .md-content__button {\n    display: none;\n  }\n}\n[dir=rtl] .md-content__button {\n  float: left;\n  margin-right: 0.4rem;\n  margin-left: initial;\n}\n[dir=rtl] .md-content__button svg {\n  transform: scaleX(-1);\n}\n.md-typeset .md-content__button {\n  color: var(--md-default-fg-color--lighter);\n}\n.md-content__button svg {\n  display: inline;\n  vertical-align: top;\n}\n\n.md-dialog {\n  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n  position: fixed;\n  right: 0.8rem;\n  bottom: 0.8rem;\n  left: initial;\n  z-index: 2;\n  min-width: 11.1rem;\n  padding: 0.4rem 0.6rem;\n  background-color: var(--md-default-fg-color);\n  border-radius: 0.1rem;\n  transform: translateY(100%);\n  opacity: 0;\n  transition: transform 0ms 400ms, opacity 400ms;\n  pointer-events: none;\n}\n@media print {\n  .md-dialog {\n    display: none;\n  }\n}\n[dir=rtl] .md-dialog {\n  right: initial;\n  left: 0.8rem;\n}\n.md-dialog[data-md-state=open] {\n  transform: translateY(0);\n  opacity: 1;\n  transition: transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1), opacity 400ms;\n  pointer-events: initial;\n}\n.md-dialog__inner {\n  color: var(--md-default-bg-color);\n  font-size: 0.7rem;\n}\n\n.md-typeset .md-button {\n  display: inline-block;\n  padding: 0.625em 2em;\n  color: var(--md-primary-fg-color);\n  font-weight: 700;\n  border: 0.1rem solid currentColor;\n  border-radius: 0.1rem;\n  transition: color 125ms, background-color 125ms, border-color 125ms;\n}\n.md-typeset .md-button--primary {\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  border-color: var(--md-primary-fg-color);\n}\n.md-typeset .md-button:focus, .md-typeset .md-button:hover {\n  color: var(--md-accent-bg-color);\n  background-color: var(--md-accent-fg-color);\n  border-color: var(--md-accent-fg-color);\n}\n.md-typeset .md-input {\n  height: 1.8rem;\n  padding: 0 0.6rem;\n  font-size: 0.8rem;\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.1);\n  transition: box-shadow 250ms;\n}\n.md-typeset .md-input:focus, .md-typeset .md-input:hover {\n  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.15), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.15);\n}\n.md-typeset .md-input--stretch {\n  width: 100%;\n}\n\n.md-header {\n  position: sticky;\n  top: 0;\n  right: 0;\n  left: 0;\n  z-index: 2;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0), 0 0.2rem 0.4rem rgba(0, 0, 0, 0);\n}\n@media print {\n  .md-header {\n    display: none;\n  }\n}\n.md-header[data-md-state=shadow] {\n  box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2);\n  transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), box-shadow 250ms;\n}\n.md-header[data-md-state=hidden] {\n  transform: translateY(-100%);\n  transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), box-shadow 250ms;\n}\n.md-header .focus-visible {\n  outline-color: currentColor;\n}\n.md-header__inner {\n  display: flex;\n  align-items: center;\n  padding: 0 0.2rem;\n}\n.md-header__button {\n  position: relative;\n  z-index: 1;\n  margin: 0.2rem;\n  padding: 0.4rem;\n  color: currentColor;\n  vertical-align: middle;\n  cursor: pointer;\n  transition: opacity 250ms;\n}\n.md-header__button:hover {\n  opacity: 0.7;\n}\n.md-header__button:not([hidden]) {\n  display: inline-block;\n}\n.md-header__button:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-header__button.md-logo {\n  margin: 0.2rem;\n  padding: 0.4rem;\n}\n@media screen and (max-width: 76.1875em) {\n  .md-header__button.md-logo {\n    display: none;\n  }\n}\n.md-header__button.md-logo img,\n.md-header__button.md-logo svg {\n  display: block;\n  width: 1.2rem;\n  height: 1.2rem;\n  fill: currentColor;\n}\n@media screen and (min-width: 60em) {\n  .md-header__button[for=__search] {\n    display: none;\n  }\n}\n.no-js .md-header__button[for=__search] {\n  display: none;\n}\n[dir=rtl] .md-header__button[for=__search] svg {\n  transform: scaleX(-1);\n}\n@media screen and (min-width: 76.25em) {\n  .md-header__button[for=__drawer] {\n    display: none;\n  }\n}\n.md-header__topic {\n  position: absolute;\n  display: flex;\n  max-width: 100%;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n}\n.md-header__topic + .md-header__topic {\n  z-index: -1;\n  transform: translateX(1.25rem);\n  opacity: 0;\n  transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-header__topic + .md-header__topic {\n  transform: translateX(-1.25rem);\n}\n.md-header__title {\n  flex-grow: 1;\n  height: 2.4rem;\n  margin-right: 0.4rem;\n  margin-left: 1rem;\n  font-size: 0.9rem;\n  line-height: 2.4rem;\n}\n.md-header__title[data-md-state=active] .md-header__topic {\n  z-index: -1;\n  transform: translateX(-1.25rem);\n  opacity: 0;\n  transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-header__title[data-md-state=active] .md-header__topic {\n  transform: translateX(1.25rem);\n}\n.md-header__title[data-md-state=active] .md-header__topic + .md-header__topic {\n  z-index: 0;\n  transform: translateX(0);\n  opacity: 1;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n  pointer-events: initial;\n}\n.md-header__title > .md-header__ellipsis {\n  position: relative;\n  width: 100%;\n  height: 100%;\n}\n.md-header__option {\n  display: flex;\n  flex-shrink: 0;\n  max-width: 100%;\n  white-space: nowrap;\n  transition: max-width 0ms 250ms, opacity 250ms 250ms;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-header__option {\n  max-width: 0;\n  opacity: 0;\n  transition: max-width 0ms, opacity 0ms;\n}\n.md-header__source {\n  display: none;\n}\n@media screen and (min-width: 60em) {\n  .md-header__source {\n    display: block;\n    width: 11.7rem;\n    max-width: 11.7rem;\n    margin-left: 1rem;\n  }\n  [dir=rtl] .md-header__source {\n    margin-right: 1rem;\n    margin-left: initial;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-header__source {\n    margin-left: 1.4rem;\n  }\n  [dir=rtl] .md-header__source {\n    margin-right: 1.4rem;\n  }\n}\n\n.md-footer {\n  color: var(--md-footer-fg-color);\n  background-color: var(--md-footer-bg-color);\n}\n@media print {\n  .md-footer {\n    display: none;\n  }\n}\n.md-footer__inner {\n  padding: 0.2rem;\n  overflow: auto;\n}\n.md-footer__link {\n  display: flex;\n  padding-top: 1.4rem;\n  padding-bottom: 0.4rem;\n  transition: opacity 250ms;\n}\n@media screen and (min-width: 45em) {\n  .md-footer__link {\n    width: 50%;\n  }\n}\n.md-footer__link:focus, .md-footer__link:hover {\n  opacity: 0.7;\n}\n.md-footer__link--prev {\n  float: left;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-footer__link--prev {\n    width: 25%;\n  }\n  .md-footer__link--prev .md-footer__title {\n    display: none;\n  }\n}\n[dir=rtl] .md-footer__link--prev {\n  float: right;\n}\n[dir=rtl] .md-footer__link--prev svg {\n  transform: scaleX(-1);\n}\n.md-footer__link--next {\n  float: right;\n  text-align: right;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-footer__link--next {\n    width: 75%;\n  }\n}\n[dir=rtl] .md-footer__link--next {\n  float: left;\n  text-align: left;\n}\n[dir=rtl] .md-footer__link--next svg {\n  transform: scaleX(-1);\n}\n.md-footer__title {\n  position: relative;\n  flex-grow: 1;\n  max-width: calc(100% - 2.4rem);\n  padding: 0 1rem;\n  font-size: 0.9rem;\n  line-height: 2.4rem;\n}\n.md-footer__button {\n  margin: 0.2rem;\n  padding: 0.4rem;\n}\n.md-footer__direction {\n  position: absolute;\n  right: 0;\n  left: 0;\n  margin-top: -1rem;\n  padding: 0 1rem;\n  font-size: 0.64rem;\n  opacity: 0.7;\n}\n\n.md-footer-meta {\n  background-color: var(--md-footer-bg-color--dark);\n}\n.md-footer-meta__inner {\n  display: flex;\n  flex-wrap: wrap;\n  justify-content: space-between;\n  padding: 0.2rem;\n}\nhtml .md-footer-meta.md-typeset a {\n  color: var(--md-footer-fg-color--light);\n}\nhtml .md-footer-meta.md-typeset a:focus, html .md-footer-meta.md-typeset a:hover {\n  color: var(--md-footer-fg-color);\n}\n\n.md-footer-copyright {\n  width: 100%;\n  margin: auto 0.6rem;\n  padding: 0.4rem 0;\n  color: var(--md-footer-fg-color--lighter);\n  font-size: 0.64rem;\n}\n@media screen and (min-width: 45em) {\n  .md-footer-copyright {\n    width: auto;\n  }\n}\n.md-footer-copyright__highlight {\n  color: var(--md-footer-fg-color--light);\n}\n\n.md-footer-social {\n  margin: 0 0.4rem;\n  padding: 0.2rem 0 0.6rem;\n}\n@media screen and (min-width: 45em) {\n  .md-footer-social {\n    padding: 0.6rem 0;\n  }\n}\n.md-footer-social__link {\n  display: inline-block;\n  width: 1.6rem;\n  height: 1.6rem;\n  text-align: center;\n}\n.md-footer-social__link::before {\n  line-height: 1.9;\n}\n.md-footer-social__link svg {\n  max-height: 0.8rem;\n  vertical-align: -25%;\n  fill: currentColor;\n}\n\n:root {\n  --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n  --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n  --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n.md-nav {\n  font-size: 0.7rem;\n  line-height: 1.3;\n}\n.md-nav__title {\n  display: block;\n  padding: 0 0.6rem;\n  overflow: hidden;\n  font-weight: 700;\n  text-overflow: ellipsis;\n}\n.md-nav__title .md-nav__button {\n  display: none;\n}\n.md-nav__title .md-nav__button img {\n  width: auto;\n  height: 100%;\n}\n.md-nav__title .md-nav__button.md-logo img,\n.md-nav__title .md-nav__button.md-logo svg {\n  display: block;\n  width: 2.4rem;\n  height: 2.4rem;\n  fill: currentColor;\n}\n.md-nav__list {\n  margin: 0;\n  padding: 0;\n  list-style: none;\n}\n.md-nav__item {\n  padding: 0 0.6rem;\n}\n.md-nav__item .md-nav__item {\n  padding-right: 0;\n}\n[dir=rtl] .md-nav__item .md-nav__item {\n  padding-right: 0.6rem;\n  padding-left: 0;\n}\n.md-nav__link {\n  display: block;\n  margin-top: 0.625em;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  cursor: pointer;\n  transition: color 125ms;\n  scroll-snap-align: start;\n}\n.md-nav__link[data-md-state=blur] {\n  color: var(--md-default-fg-color--light);\n}\n.md-nav__item .md-nav__link--active {\n  color: var(--md-typeset-a-color);\n}\n.md-nav__item--nested > .md-nav__link {\n  color: inherit;\n}\n.md-nav__link:focus, .md-nav__link:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-nav--primary .md-nav__link[for=__toc] {\n  display: none;\n}\n.md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n  display: block;\n  width: 100%;\n  height: 100%;\n  mask-image: var(--md-toc-icon);\n  background-color: currentColor;\n}\n.md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n  display: none;\n}\n.md-nav__source {\n  display: none;\n}\n@media screen and (max-width: 76.1875em) {\n  .md-nav--primary, .md-nav--primary .md-nav {\n    position: absolute;\n    top: 0;\n    right: 0;\n    left: 0;\n    z-index: 1;\n    display: flex;\n    flex-direction: column;\n    height: 100%;\n    background-color: var(--md-default-bg-color);\n  }\n  .md-nav--primary .md-nav__title,\n.md-nav--primary .md-nav__item {\n    font-size: 0.8rem;\n    line-height: 1.5;\n  }\n  .md-nav--primary .md-nav__title {\n    position: relative;\n    height: 5.6rem;\n    padding: 3rem 0.8rem 0.2rem;\n    color: var(--md-default-fg-color--light);\n    font-weight: 400;\n    line-height: 2.4rem;\n    white-space: nowrap;\n    background-color: var(--md-default-fg-color--lightest);\n    cursor: pointer;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon {\n    position: absolute;\n    top: 0.4rem;\n    left: 0.4rem;\n    display: block;\n    width: 1.2rem;\n    height: 1.2rem;\n    margin: 0.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__title .md-nav__icon {\n    right: 0.4rem;\n    left: initial;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon::after {\n    display: block;\n    width: 100%;\n    height: 100%;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--prev);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  .md-nav--primary .md-nav__title ~ .md-nav__list {\n    overflow-y: auto;\n    background-color: var(--md-default-bg-color);\n    box-shadow: 0 0.05rem 0 var(--md-default-fg-color--lightest) inset;\n    scroll-snap-type: y mandatory;\n    touch-action: pan-y;\n  }\n  .md-nav--primary .md-nav__title ~ .md-nav__list > :first-child {\n    border-top: 0;\n  }\n  .md-nav--primary .md-nav__title[for=__drawer] {\n    color: var(--md-primary-bg-color);\n    background-color: var(--md-primary-fg-color);\n  }\n  .md-nav--primary .md-nav__title .md-logo {\n    position: absolute;\n    top: 0.2rem;\n    left: 0.2rem;\n    display: block;\n    margin: 0.2rem;\n    padding: 0.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__title .md-logo {\n    right: 0.2rem;\n    left: initial;\n  }\n  .md-nav--primary .md-nav__list {\n    flex: 1;\n  }\n  .md-nav--primary .md-nav__item {\n    padding: 0;\n    border-top: 0.05rem solid var(--md-default-fg-color--lightest);\n  }\n  .md-nav--primary .md-nav__item--nested > .md-nav__link {\n    padding-right: 2.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__item--nested > .md-nav__link {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--primary .md-nav__item--active > .md-nav__link {\n    color: var(--md-typeset-a-color);\n  }\n  .md-nav--primary .md-nav__item--active > .md-nav__link:focus, .md-nav--primary .md-nav__item--active > .md-nav__link:hover {\n    color: var(--md-accent-fg-color);\n  }\n  .md-nav--primary .md-nav__link {\n    position: relative;\n    margin-top: 0;\n    padding: 0.6rem 0.8rem;\n  }\n  .md-nav--primary .md-nav__link .md-nav__icon {\n    position: absolute;\n    top: 50%;\n    right: 0.6rem;\n    width: 1.2rem;\n    height: 1.2rem;\n    margin-top: -0.6rem;\n    color: inherit;\n    font-size: 1.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__link .md-nav__icon {\n    right: initial;\n    left: 0.6rem;\n  }\n  .md-nav--primary .md-nav__link .md-nav__icon::after {\n    display: block;\n    width: 100%;\n    height: 100%;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--next);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  [dir=rtl] .md-nav--primary .md-nav__icon::after {\n    transform: scale(-1);\n  }\n  .md-nav--primary .md-nav--secondary .md-nav__link {\n    position: static;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav {\n    position: static;\n    background-color: transparent;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n    padding-left: 1.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n    padding-right: 1.4rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n    padding-left: 2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n    padding-right: 2rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n    padding-left: 2.6rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n    padding-right: 2.6rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n    padding-left: 3.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n    padding-right: 3.2rem;\n    padding-left: initial;\n  }\n  .md-nav--secondary {\n    background-color: transparent;\n  }\n  .md-nav__toggle ~ .md-nav {\n    display: flex;\n    transform: translateX(100%);\n    opacity: 0;\n    transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), opacity 125ms 50ms;\n  }\n  [dir=rtl] .md-nav__toggle ~ .md-nav {\n    transform: translateX(-100%);\n  }\n  .md-nav__toggle:checked ~ .md-nav {\n    transform: translateX(0);\n    opacity: 1;\n    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 125ms 125ms;\n  }\n  .md-nav__toggle:checked ~ .md-nav > .md-nav__list {\n    backface-visibility: hidden;\n  }\n}\n@media screen and (max-width: 59.9375em) {\n  .md-nav--primary .md-nav__link[for=__toc] {\n    display: block;\n    padding-right: 2.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__link[for=__toc] {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n    content: \"\";\n  }\n  .md-nav--primary .md-nav__link[for=__toc] + .md-nav__link {\n    display: none;\n  }\n  .md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n    display: flex;\n  }\n  .md-nav__source {\n    display: block;\n    padding: 0 0.2rem;\n    color: var(--md-primary-bg-color);\n    background-color: var(--md-primary-fg-color--dark);\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-nav--integrated .md-nav__link[for=__toc] {\n    display: block;\n    padding-right: 2.4rem;\n    scroll-snap-align: initial;\n  }\n  [dir=rtl] .md-nav--integrated .md-nav__link[for=__toc] {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] .md-icon::after {\n    content: \"\";\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] + .md-nav__link {\n    display: none;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav {\n    display: flex;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-nav--secondary .md-nav__title[for=__toc] {\n    scroll-snap-align: start;\n  }\n  .md-nav--secondary .md-nav__title .md-nav__icon {\n    display: none;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-nav {\n    transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n  }\n  .md-nav--primary .md-nav__title[for=__drawer] {\n    scroll-snap-align: start;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon {\n    display: none;\n  }\n  .md-nav__toggle ~ .md-nav {\n    display: none;\n  }\n  .md-nav__toggle:checked ~ .md-nav, .md-nav__toggle:indeterminate ~ .md-nav {\n    display: block;\n  }\n  .md-nav__item--nested > .md-nav > .md-nav__title {\n    display: none;\n  }\n  .md-nav__item--section {\n    display: block;\n    margin: 1.25em 0;\n  }\n  .md-nav__item--section:last-child {\n    margin-bottom: 0;\n  }\n  .md-nav__item--section > .md-nav__link {\n    display: none;\n  }\n  .md-nav__item--section > .md-nav {\n    display: block;\n  }\n  .md-nav__item--section > .md-nav > .md-nav__title {\n    display: block;\n    padding: 0;\n    pointer-events: none;\n    scroll-snap-align: start;\n  }\n  .md-nav__item--section > .md-nav > .md-nav__list > .md-nav__item {\n    padding: 0;\n  }\n  .md-nav__icon {\n    float: right;\n    width: 0.9rem;\n    height: 0.9rem;\n    transition: transform 250ms;\n  }\n  [dir=rtl] .md-nav__icon {\n    float: left;\n    transform: rotate(180deg);\n  }\n  .md-nav__icon::after {\n    display: inline-block;\n    width: 100%;\n    height: 100%;\n    vertical-align: -0.1rem;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--next);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon, .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link .md-nav__icon {\n    transform: rotate(90deg);\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--nested,\n.md-nav--lifted > .md-nav__title {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active {\n    display: block;\n    padding: 0;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav > .md-nav__title {\n    display: block;\n    padding: 0 0.6rem;\n    pointer-events: none;\n    scroll-snap-align: start;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item > .md-nav__item {\n    padding-right: 0.6rem;\n  }\n  .md-nav--lifted .md-nav[data-md-level=\"1\"] {\n    display: block;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav {\n    display: block;\n    margin-bottom: 1.25em;\n    border-left: 0.05rem solid var(--md-primary-fg-color);\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav > .md-nav__title {\n    display: none;\n  }\n}\n\n:root {\n  --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n.md-search {\n  position: relative;\n}\n@media screen and (min-width: 60em) {\n  .md-search {\n    padding: 0.2rem 0;\n  }\n}\n.no-js .md-search {\n  display: none;\n}\n.md-search__overlay {\n  z-index: 1;\n  opacity: 0;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__overlay {\n    position: absolute;\n    top: 0.2rem;\n    left: -2.2rem;\n    width: 2rem;\n    height: 2rem;\n    overflow: hidden;\n    background-color: var(--md-default-bg-color);\n    border-radius: 1rem;\n    transform-origin: center;\n    transition: transform 300ms 100ms, opacity 200ms 200ms;\n    pointer-events: none;\n  }\n  [dir=rtl] .md-search__overlay {\n    right: -2.2rem;\n    left: initial;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    opacity: 1;\n    transition: transform 400ms, opacity 100ms;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__overlay {\n    position: fixed;\n    top: 0;\n    left: 0;\n    width: 0;\n    height: 0;\n    background-color: rgba(0, 0, 0, 0.54);\n    cursor: pointer;\n    transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n  }\n  [dir=rtl] .md-search__overlay {\n    right: 0;\n    left: initial;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    width: 100%;\n    height: 200vh;\n    opacity: 1;\n    transition: width 0ms, height 0ms, opacity 250ms;\n  }\n}\n@media screen and (max-width: 29.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(45);\n  }\n}\n@media screen and (min-width: 30em) and (max-width: 44.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(60);\n  }\n}\n@media screen and (min-width: 45em) and (max-width: 59.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(75);\n  }\n}\n.md-search__inner {\n  backface-visibility: hidden;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__inner {\n    position: fixed;\n    top: 0;\n    left: 100%;\n    z-index: 2;\n    width: 100%;\n    height: 100%;\n    transform: translateX(5%);\n    opacity: 0;\n    transition: right 0ms 300ms, left 0ms 300ms, transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1), opacity 150ms 150ms;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    left: 0;\n    transform: translateX(0);\n    opacity: 1;\n    transition: right 0ms 0ms, left 0ms 0ms, transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms 150ms;\n  }\n  [dir=rtl] [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    right: 0;\n    left: initial;\n  }\n  html [dir=rtl] .md-search__inner {\n    right: 100%;\n    left: initial;\n    transform: translateX(-5%);\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__inner {\n    position: relative;\n    float: right;\n    width: 11.7rem;\n    padding: 0.1rem 0;\n    transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n  }\n  [dir=rtl] .md-search__inner {\n    float: left;\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    width: 23.4rem;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    width: 34.4rem;\n  }\n}\n.md-search__form {\n  position: relative;\n}\n@media screen and (min-width: 60em) {\n  .md-search__form {\n    border-radius: 0.1rem;\n  }\n}\n.md-search__input {\n  position: relative;\n  z-index: 2;\n  padding: 0 2.2rem 0 3.6rem;\n  text-overflow: ellipsis;\n  background-color: var(--md-default-bg-color);\n  box-shadow: 0 0 0.6rem transparent;\n  transition: color 250ms, background-color 250ms, box-shadow 250ms;\n}\n[dir=rtl] .md-search__input {\n  padding: 0 3.6rem 0 2.2rem;\n}\n.md-search__input::placeholder {\n  transition: color 250ms;\n}\n.md-search__input ~ .md-search__icon, .md-search__input::placeholder {\n  color: var(--md-default-fg-color--light);\n}\n.md-search__input::-ms-clear {\n  display: none;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input {\n  box-shadow: 0 0 0.6rem rgba(0, 0, 0, 0.07);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__input {\n    width: 100%;\n    height: 2.4rem;\n    font-size: 0.9rem;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__input {\n    width: 100%;\n    height: 1.8rem;\n    padding-left: 2.2rem;\n    color: inherit;\n    font-size: 0.8rem;\n    background-color: rgba(0, 0, 0, 0.26);\n    border-radius: 0.1rem;\n  }\n  [dir=rtl] .md-search__input {\n    padding-right: 2.2rem;\n  }\n  .md-search__input + .md-search__icon {\n    color: var(--md-primary-bg-color);\n  }\n  .md-search__input::placeholder {\n    color: var(--md-primary-bg-color--light);\n  }\n  .md-search__input:hover {\n    background-color: rgba(255, 255, 255, 0.12);\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__input {\n    color: var(--md-default-fg-color);\n    text-overflow: clip;\n    background-color: var(--md-default-bg-color);\n    border-radius: 0.1rem 0.1rem 0 0;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__input + .md-search__icon, [data-md-toggle=search]:checked ~ .md-header .md-search__input::placeholder {\n    color: var(--md-default-fg-color--light);\n  }\n}\n.md-search__icon {\n  position: absolute;\n  z-index: 2;\n  width: 1.2rem;\n  height: 1.2rem;\n  cursor: pointer;\n  transition: color 250ms, opacity 250ms;\n}\n.md-search__icon:hover {\n  opacity: 0.7;\n}\n.md-search__icon[for=__search] {\n  top: 0.3rem;\n  left: 0.5rem;\n}\n[dir=rtl] .md-search__icon[for=__search] {\n  right: 0.5rem;\n  left: initial;\n}\n[dir=rtl] .md-search__icon[for=__search] svg {\n  transform: scaleX(-1);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__icon[for=__search] {\n    top: 0.6rem;\n    left: 0.8rem;\n  }\n  [dir=rtl] .md-search__icon[for=__search] {\n    right: 0.8rem;\n    left: initial;\n  }\n  .md-search__icon[for=__search] svg:first-child {\n    display: none;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__icon[for=__search] {\n    pointer-events: none;\n  }\n  .md-search__icon[for=__search] svg:last-child {\n    display: none;\n  }\n}\n.md-search__icon[type=reset] {\n  top: 0.3rem;\n  right: 0.5rem;\n  transform: scale(0.75);\n  opacity: 0;\n  transition: transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-search__icon[type=reset] {\n  right: initial;\n  left: 0.5rem;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__icon[type=reset] {\n    top: 0.6rem;\n    right: 0.8rem;\n  }\n  [dir=rtl] .md-search__icon[type=reset] {\n    right: initial;\n    left: 0.8rem;\n  }\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=reset] {\n  transform: scale(1);\n  opacity: 1;\n  pointer-events: initial;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=reset]:hover {\n  opacity: 0.7;\n}\n.md-search__output {\n  position: absolute;\n  z-index: 1;\n  width: 100%;\n  overflow: hidden;\n  border-radius: 0 0 0.1rem 0.1rem;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__output {\n    top: 2.4rem;\n    bottom: 0;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__output {\n    top: 1.9rem;\n    opacity: 0;\n    transition: opacity 400ms;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__output {\n    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);\n    opacity: 1;\n  }\n}\n.md-search__scrollwrap {\n  height: 100%;\n  overflow-y: auto;\n  background-color: var(--md-default-bg-color);\n  backface-visibility: hidden;\n  touch-action: pan-y;\n}\n@media (max-resolution: 1dppx) {\n  .md-search__scrollwrap {\n    transform: translateZ(0);\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-search__scrollwrap {\n    width: 23.4rem;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-search__scrollwrap {\n    width: 34.4rem;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__scrollwrap {\n    max-height: 0;\n    scrollbar-width: thin;\n    scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__scrollwrap {\n    max-height: 75vh;\n  }\n  .md-search__scrollwrap:hover {\n    scrollbar-color: var(--md-accent-fg-color) transparent;\n  }\n  .md-search__scrollwrap::-webkit-scrollbar {\n    width: 0.2rem;\n    height: 0.2rem;\n  }\n  .md-search__scrollwrap::-webkit-scrollbar-thumb {\n    background-color: var(--md-default-fg-color--lighter);\n  }\n  .md-search__scrollwrap::-webkit-scrollbar-thumb:hover {\n    background-color: var(--md-accent-fg-color);\n  }\n}\n\n.md-search-result {\n  color: var(--md-default-fg-color);\n  word-break: break-word;\n}\n.md-search-result__meta {\n  padding: 0 0.8rem;\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n  line-height: 1.8rem;\n  background-color: var(--md-default-fg-color--lightest);\n  scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__meta {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__meta {\n    padding-right: 2.2rem;\n    padding-left: initial;\n  }\n}\n.md-search-result__list {\n  margin: 0;\n  padding: 0;\n  list-style: none;\n}\n.md-search-result__item {\n  box-shadow: 0 -0.05rem 0 var(--md-default-fg-color--lightest);\n}\n.md-search-result__item:first-child {\n  box-shadow: none;\n}\n.md-search-result__link {\n  display: block;\n  outline: none;\n  transition: background-color 250ms;\n  scroll-snap-align: start;\n}\n.md-search-result__link:focus, .md-search-result__link:hover {\n  background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__link:last-child p:last-child {\n  margin-bottom: 0.6rem;\n}\n.md-search-result__more summary {\n  display: block;\n  padding: 0.75em 0.8rem;\n  color: var(--md-typeset-a-color);\n  font-size: 0.64rem;\n  outline: 0;\n  cursor: pointer;\n  transition: color 250ms, background-color 250ms;\n  scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__more summary {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__more summary {\n    padding-right: 2.2rem;\n    padding-left: 0.8rem;\n  }\n}\n.md-search-result__more summary:focus, .md-search-result__more summary:hover {\n  color: var(--md-accent-fg-color);\n  background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__more summary::marker, .md-search-result__more summary::-webkit-details-marker {\n  display: none;\n}\n.md-search-result__more summary ~ * > * {\n  opacity: 0.65;\n}\n.md-search-result__article {\n  position: relative;\n  padding: 0 0.8rem;\n  overflow: hidden;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__article {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__article {\n    padding-right: 2.2rem;\n    padding-left: 0.8rem;\n  }\n}\n.md-search-result__article--document .md-search-result__title {\n  margin: 0.55rem 0;\n  font-weight: 400;\n  font-size: 0.8rem;\n  line-height: 1.4;\n}\n.md-search-result__icon {\n  position: absolute;\n  left: 0;\n  width: 1.2rem;\n  height: 1.2rem;\n  margin: 0.5rem;\n  color: var(--md-default-fg-color--light);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search-result__icon {\n    display: none;\n  }\n}\n.md-search-result__icon::after {\n  display: inline-block;\n  width: 100%;\n  height: 100%;\n  background-color: currentColor;\n  mask-image: var(--md-search-result-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-search-result__icon {\n  right: 0;\n  left: initial;\n}\n[dir=rtl] .md-search-result__icon::after {\n  transform: scaleX(-1);\n}\n.md-search-result__title {\n  margin: 0.5em 0;\n  font-weight: 700;\n  font-size: 0.64rem;\n  line-height: 1.6;\n}\n.md-search-result__teaser {\n  display: -webkit-box;\n  max-height: 2rem;\n  margin: 0.5em 0;\n  overflow: hidden;\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n  line-height: 1.6;\n  text-overflow: ellipsis;\n  -webkit-box-orient: vertical;\n  -webkit-line-clamp: 2;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-search-result__teaser {\n    max-height: 3rem;\n    -webkit-line-clamp: 3;\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-search-result__teaser {\n    max-height: 3rem;\n    -webkit-line-clamp: 3;\n  }\n}\n.md-search-result__teaser mark {\n  text-decoration: underline;\n  background-color: transparent;\n}\n.md-search-result__terms {\n  margin: 0.5em 0;\n  font-size: 0.64rem;\n  font-style: italic;\n}\n.md-search-result mark {\n  color: var(--md-accent-fg-color);\n  background-color: transparent;\n}\n\n.md-select {\n  position: relative;\n  z-index: 1;\n}\n.md-select__inner {\n  position: absolute;\n  top: calc(100% - 0.2rem);\n  left: 50%;\n  max-height: 0;\n  margin-top: 0.2rem;\n  color: var(--md-default-fg-color);\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n  transform: translate3d(-50%, 0.3rem, 0);\n  opacity: 0;\n  transition: transform 250ms 375ms, opacity 250ms 250ms, max-height 0ms 500ms;\n}\n.md-select:focus-within .md-select__inner, .md-select:hover .md-select__inner {\n  max-height: 10rem;\n  transform: translate3d(-50%, 0, 0);\n  opacity: 1;\n  transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms, max-height 250ms;\n}\n.md-select__inner::after {\n  position: absolute;\n  top: 0;\n  left: 50%;\n  width: 0;\n  height: 0;\n  margin-top: -0.2rem;\n  margin-left: -0.2rem;\n  border: 0.2rem solid transparent;\n  border-top: 0;\n  border-bottom-color: var(--md-default-bg-color);\n  content: \"\";\n}\n.md-select__list {\n  max-height: inherit;\n  margin: 0;\n  padding: 0;\n  overflow: auto;\n  font-size: 0.8rem;\n  list-style-type: none;\n  border-radius: 0.1rem;\n}\n.md-select__item {\n  line-height: 1.8rem;\n}\n.md-select__link {\n  display: block;\n  width: 100%;\n  padding-right: 1.2rem;\n  padding-left: 0.6rem;\n  cursor: pointer;\n  transition: background-color 250ms, color 250ms;\n  scroll-snap-align: start;\n}\n[dir=rtl] .md-select__link {\n  padding-right: 0.6rem;\n  padding-left: 1.2rem;\n}\n.md-select__link:focus, .md-select__link:hover {\n  background-color: var(--md-default-fg-color--lightest);\n}\n\n.md-sidebar {\n  position: sticky;\n  top: 2.4rem;\n  flex-shrink: 0;\n  align-self: flex-start;\n  width: 12.1rem;\n  padding: 1.2rem 0;\n}\n@media print {\n  .md-sidebar {\n    display: none;\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  .md-sidebar--primary {\n    position: fixed;\n    top: 0;\n    left: -12.1rem;\n    z-index: 3;\n    display: block;\n    width: 12.1rem;\n    height: 100%;\n    background-color: var(--md-default-bg-color);\n    transform: translateX(0);\n    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms;\n  }\n  [dir=rtl] .md-sidebar--primary {\n    right: -12.1rem;\n    left: initial;\n  }\n  [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n    box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);\n    transform: translateX(12.1rem);\n  }\n  [dir=rtl] [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n    transform: translateX(-12.1rem);\n  }\n  .md-sidebar--primary .md-sidebar__scrollwrap {\n    position: absolute;\n    top: 0;\n    right: 0;\n    bottom: 0;\n    left: 0;\n    margin: 0;\n    scroll-snap-type: none;\n    overflow: hidden;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-sidebar {\n    height: 0;\n  }\n  .no-js .md-sidebar {\n    height: auto;\n  }\n}\n.md-sidebar--secondary {\n  display: none;\n  order: 2;\n}\n@media screen and (min-width: 60em) {\n  .md-sidebar--secondary {\n    height: 0;\n  }\n  .no-js .md-sidebar--secondary {\n    height: auto;\n  }\n  .md-sidebar--secondary:not([hidden]) {\n    display: block;\n  }\n  .md-sidebar--secondary .md-sidebar__scrollwrap {\n    touch-action: pan-y;\n  }\n}\n.md-sidebar__scrollwrap {\n  margin: 0 0.2rem;\n  overflow-y: auto;\n  backface-visibility: hidden;\n  scrollbar-width: thin;\n  scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-sidebar__scrollwrap:hover {\n  scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar {\n  width: 0.2rem;\n  height: 0.2rem;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb {\n  background-color: var(--md-default-fg-color--lighter);\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover {\n  background-color: var(--md-accent-fg-color);\n}\n\n@media screen and (max-width: 76.1875em) {\n  .md-overlay {\n    position: fixed;\n    top: 0;\n    z-index: 3;\n    width: 0;\n    height: 0;\n    background-color: rgba(0, 0, 0, 0.54);\n    opacity: 0;\n    transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n  }\n  [data-md-toggle=drawer]:checked ~ .md-overlay {\n    width: 100%;\n    height: 100%;\n    opacity: 1;\n    transition: width 0ms, height 0ms, opacity 250ms;\n  }\n}\n@keyframes md-source__facts--done {\n  0% {\n    height: 0;\n  }\n  100% {\n    height: 0.65rem;\n  }\n}\n@keyframes md-source__fact--done {\n  0% {\n    transform: translateY(100%);\n    opacity: 0;\n  }\n  50% {\n    opacity: 0;\n  }\n  100% {\n    transform: translateY(0%);\n    opacity: 1;\n  }\n}\n:root {\n  --md-source-forks-icon: svg-load(\"octicons/repo-forked-16.svg\");\n  --md-source-repositories-icon: svg-load(\"octicons/repo-16.svg\");\n  --md-source-stars-icon: svg-load(\"octicons/star-16.svg\");\n  --md-source-version-icon: svg-load(\"octicons/tag-16.svg\");\n}\n\n.md-source {\n  display: block;\n  font-size: 0.65rem;\n  line-height: 1.2;\n  white-space: nowrap;\n  backface-visibility: hidden;\n  transition: opacity 250ms;\n}\n.md-source:hover {\n  opacity: 0.7;\n}\n.md-source__icon {\n  display: inline-block;\n  width: 2rem;\n  height: 2.4rem;\n  vertical-align: middle;\n}\n.md-source__icon svg {\n  margin-top: 0.6rem;\n  margin-left: 0.6rem;\n}\n[dir=rtl] .md-source__icon svg {\n  margin-right: 0.6rem;\n  margin-left: initial;\n}\n.md-source__icon + .md-source__repository {\n  margin-left: -2rem;\n  padding-left: 2rem;\n}\n[dir=rtl] .md-source__icon + .md-source__repository {\n  margin-right: -2rem;\n  margin-left: initial;\n  padding-right: 2rem;\n  padding-left: initial;\n}\n.md-source__repository {\n  display: inline-block;\n  max-width: calc(100% - 1.2rem);\n  margin-left: 0.6rem;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  vertical-align: middle;\n}\n.md-source__facts {\n  margin: 0.1rem 0 0;\n  padding: 0;\n  overflow: hidden;\n  font-size: 0.55rem;\n  list-style-type: none;\n  opacity: 0.75;\n}\n[data-md-state=done] .md-source__facts {\n  animation: md-source__facts--done 250ms ease-in;\n}\n.md-source__fact {\n  display: inline-block;\n}\n[data-md-state=done] .md-source__fact {\n  animation: md-source__fact--done 400ms ease-out;\n}\n.md-source__fact::before {\n  display: inline-block;\n  width: 0.6rem;\n  height: 0.6rem;\n  margin-right: 0.1rem;\n  vertical-align: text-top;\n  background-color: currentColor;\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n.md-source__fact:nth-child(1n+2)::before {\n  margin-left: 0.4rem;\n}\n[dir=rtl] .md-source__fact {\n  margin-right: initial;\n  margin-left: 0.1rem;\n}\n[dir=rtl] .md-source__fact:nth-child(1n+2)::before {\n  margin-right: 0.4rem;\n  margin-left: initial;\n}\n.md-source__fact--version::before {\n  mask-image: var(--md-source-version-icon);\n}\n.md-source__fact--stars::before {\n  mask-image: var(--md-source-stars-icon);\n}\n.md-source__fact--forks::before {\n  mask-image: var(--md-source-forks-icon);\n}\n.md-source__fact--repositories::before {\n  mask-image: var(--md-source-repositories-icon);\n}\n\n.md-tabs {\n  width: 100%;\n  overflow: auto;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n}\n@media print {\n  .md-tabs {\n    display: none;\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  .md-tabs {\n    display: none;\n  }\n}\n.md-tabs[data-md-state=hidden] {\n  pointer-events: none;\n}\n.md-tabs__list {\n  margin: 0;\n  margin-left: 0.2rem;\n  padding: 0;\n  white-space: nowrap;\n  list-style: none;\n  contain: content;\n}\n[dir=rtl] .md-tabs__list {\n  margin-right: 0.2rem;\n  margin-left: initial;\n}\n.md-tabs__item {\n  display: inline-block;\n  height: 2.4rem;\n  padding-right: 0.6rem;\n  padding-left: 0.6rem;\n}\n.md-tabs__link {\n  display: block;\n  margin-top: 0.8rem;\n  font-size: 0.7rem;\n  backface-visibility: hidden;\n  opacity: 0.7;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms;\n}\n.md-tabs__link--active, .md-tabs__link:focus, .md-tabs__link:hover {\n  color: inherit;\n  opacity: 1;\n}\n.md-tabs__item:nth-child(2) .md-tabs__link {\n  transition-delay: 20ms;\n}\n.md-tabs__item:nth-child(3) .md-tabs__link {\n  transition-delay: 40ms;\n}\n.md-tabs__item:nth-child(4) .md-tabs__link {\n  transition-delay: 60ms;\n}\n.md-tabs__item:nth-child(5) .md-tabs__link {\n  transition-delay: 80ms;\n}\n.md-tabs__item:nth-child(6) .md-tabs__link {\n  transition-delay: 100ms;\n}\n.md-tabs__item:nth-child(7) .md-tabs__link {\n  transition-delay: 120ms;\n}\n.md-tabs__item:nth-child(8) .md-tabs__link {\n  transition-delay: 140ms;\n}\n.md-tabs__item:nth-child(9) .md-tabs__link {\n  transition-delay: 160ms;\n}\n.md-tabs__item:nth-child(10) .md-tabs__link {\n  transition-delay: 180ms;\n}\n.md-tabs__item:nth-child(11) .md-tabs__link {\n  transition-delay: 200ms;\n}\n.md-tabs__item:nth-child(12) .md-tabs__link {\n  transition-delay: 220ms;\n}\n.md-tabs__item:nth-child(13) .md-tabs__link {\n  transition-delay: 240ms;\n}\n.md-tabs__item:nth-child(14) .md-tabs__link {\n  transition-delay: 260ms;\n}\n.md-tabs__item:nth-child(15) .md-tabs__link {\n  transition-delay: 280ms;\n}\n.md-tabs__item:nth-child(16) .md-tabs__link {\n  transition-delay: 300ms;\n}\n.md-tabs[data-md-state=hidden] .md-tabs__link {\n  transform: translateY(50%);\n  opacity: 0;\n  transition: transform 0ms 100ms, opacity 100ms;\n}\n\n.md-top {\n  position: sticky;\n  bottom: 0.4rem;\n  z-index: 1;\n  float: right;\n  margin: -2.8rem 0.4rem 0.4rem;\n  padding: 0.4rem;\n  color: var(--md-primary-bg-color);\n  background: var(--md-primary-fg-color);\n  border-radius: 100%;\n  outline: none;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.1);\n  transform: translateY(0);\n  transition: opacity 125ms, transform 125ms cubic-bezier(0.4, 0, 0.2, 1), background-color 125ms;\n}\n[dir=rtl] .md-top {\n  float: left;\n}\n.md-top[data-md-state=hidden] {\n  transform: translateY(-0.2rem);\n  opacity: 0;\n}\n.md-top:focus, .md-top:hover {\n  background: var(--md-accent-fg-color);\n  transform: scale(1.1);\n}\n\n:root {\n  --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n.md-version {\n  flex-shrink: 0;\n  height: 2.4rem;\n  font-size: 0.8rem;\n}\n.md-version__current {\n  position: relative;\n  top: 0.05rem;\n  margin-right: 0.4rem;\n  margin-left: 1.4rem;\n}\n[dir=rtl] .md-version__current {\n  margin-right: 1.4rem;\n  margin-left: 0.4rem;\n}\n.md-version__current::after {\n  display: inline-block;\n  width: 0.4rem;\n  height: 0.6rem;\n  margin-left: 0.4rem;\n  background-color: currentColor;\n  mask-image: var(--md-version-icon);\n  mask-repeat: no-repeat;\n  content: \"\";\n}\n[dir=rtl] .md-version__current::after {\n  margin-right: 0.4rem;\n  margin-left: initial;\n}\n.md-version__list {\n  position: absolute;\n  top: 0.15rem;\n  z-index: 1;\n  max-height: 1.8rem;\n  margin: 0.2rem 0.8rem;\n  padding: 0;\n  overflow: auto;\n  color: var(--md-default-fg-color);\n  list-style-type: none;\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n  opacity: 0;\n  transition: max-height 0ms 500ms, opacity 250ms 250ms;\n  scroll-snap-type: y mandatory;\n}\n.md-version__list:focus-within, .md-version__list:hover {\n  max-height: 10rem;\n  opacity: 1;\n  transition: max-height 250ms, opacity 250ms;\n}\n.md-version__item {\n  line-height: 1.8rem;\n}\n.md-version__link {\n  display: block;\n  width: 100%;\n  padding-right: 1.2rem;\n  padding-left: 0.6rem;\n  white-space: nowrap;\n  cursor: pointer;\n  transition: color 250ms, background-color 250ms;\n  scroll-snap-align: start;\n}\n[dir=rtl] .md-version__link {\n  padding-right: 0.6rem;\n  padding-left: 1.2rem;\n}\n.md-version__link:focus, .md-version__link:hover {\n  background-color: var(--md-default-fg-color--lightest);\n}\n\n:root {\n  --md-admonition-icon--note:\n    svg-load(\"material/pencil.svg\");\n  --md-admonition-icon--abstract:\n    svg-load(\"material/text-subject.svg\");\n  --md-admonition-icon--info:\n    svg-load(\"material/information.svg\");\n  --md-admonition-icon--tip:\n    svg-load(\"material/fire.svg\");\n  --md-admonition-icon--success:\n    svg-load(\"material/check-circle.svg\");\n  --md-admonition-icon--question:\n    svg-load(\"material/help-circle.svg\");\n  --md-admonition-icon--warning:\n    svg-load(\"material/alert.svg\");\n  --md-admonition-icon--failure:\n    svg-load(\"material/close-circle.svg\");\n  --md-admonition-icon--danger:\n    svg-load(\"material/flash-circle.svg\");\n  --md-admonition-icon--bug:\n    svg-load(\"material/bug.svg\");\n  --md-admonition-icon--example:\n    svg-load(\"material/format-list-numbered.svg\");\n  --md-admonition-icon--quote:\n    svg-load(\"material/format-quote-close.svg\");\n}\n\n.md-typeset .admonition, .md-typeset details {\n  margin: 1.5625em 0;\n  padding: 0 0.6rem;\n  overflow: hidden;\n  color: var(--md-admonition-fg-color);\n  font-size: 0.64rem;\n  page-break-inside: avoid;\n  background-color: var(--md-admonition-bg-color);\n  border-left: 0.2rem solid #448aff;\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.05);\n}\n@media print {\n  .md-typeset .admonition, .md-typeset details {\n    box-shadow: none;\n  }\n}\n[dir=rtl] .md-typeset .admonition, [dir=rtl] .md-typeset details {\n  border-right: 0.2rem solid #448aff;\n  border-left: none;\n}\n.md-typeset .admonition .admonition, .md-typeset details .admonition, .md-typeset .admonition details, .md-typeset details details {\n  margin-top: 1em;\n  margin-bottom: 1em;\n}\n.md-typeset .admonition .md-typeset__scrollwrap, .md-typeset details .md-typeset__scrollwrap {\n  margin: 1em -0.6rem;\n}\n.md-typeset .admonition .md-typeset__table, .md-typeset details .md-typeset__table {\n  padding: 0 0.6rem;\n}\n.md-typeset .admonition > .tabbed-set:only-child, .md-typeset details > .tabbed-set:only-child {\n  margin-top: 0;\n}\nhtml .md-typeset .admonition > :last-child, html .md-typeset details > :last-child {\n  margin-bottom: 0.6rem;\n}\n.md-typeset .admonition-title, .md-typeset summary {\n  position: relative;\n  margin: 0 -0.6rem 0 -0.8rem;\n  padding: 0.4rem 0.6rem 0.4rem 2rem;\n  font-weight: 700;\n  background-color: rgba(68, 138, 255, 0.1);\n  border-left: 0.2rem solid #448aff;\n}\n[dir=rtl] .md-typeset .admonition-title, [dir=rtl] .md-typeset summary {\n  margin: 0 -0.8rem 0 -0.6rem;\n  padding: 0.4rem 2rem 0.4rem 0.6rem;\n  border-right: 0.2rem solid #448aff;\n  border-left: none;\n}\nhtml .md-typeset .admonition-title:last-child, html .md-typeset summary:last-child {\n  margin-bottom: 0;\n}\n.md-typeset .admonition-title::before, .md-typeset summary::before {\n  position: absolute;\n  left: 0.6rem;\n  width: 1rem;\n  height: 1rem;\n  background-color: #448aff;\n  mask-image: var(--md-admonition-icon--note);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .admonition-title::before, [dir=rtl] .md-typeset summary::before {\n  right: 0.6rem;\n  left: initial;\n}\n.md-typeset .admonition-title + .tabbed-set:last-child, .md-typeset summary + .tabbed-set:last-child {\n  margin-top: 0;\n}\n\n.md-typeset .admonition.note, .md-typeset details.note {\n  border-color: #448aff;\n}\n\n.md-typeset .note > .admonition-title, .md-typeset .note > summary {\n  background-color: rgba(68, 138, 255, 0.1);\n  border-color: #448aff;\n}\n.md-typeset .note > .admonition-title::before, .md-typeset .note > summary::before {\n  background-color: #448aff;\n  mask-image: var(--md-admonition-icon--note);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.abstract, .md-typeset details.abstract, .md-typeset .admonition.tldr, .md-typeset details.tldr, .md-typeset .admonition.summary, .md-typeset details.summary {\n  border-color: #00b0ff;\n}\n\n.md-typeset .abstract > .admonition-title, .md-typeset .abstract > summary, .md-typeset .tldr > .admonition-title, .md-typeset .tldr > summary, .md-typeset .summary > .admonition-title, .md-typeset .summary > summary {\n  background-color: rgba(0, 176, 255, 0.1);\n  border-color: #00b0ff;\n}\n.md-typeset .abstract > .admonition-title::before, .md-typeset .abstract > summary::before, .md-typeset .tldr > .admonition-title::before, .md-typeset .tldr > summary::before, .md-typeset .summary > .admonition-title::before, .md-typeset .summary > summary::before {\n  background-color: #00b0ff;\n  mask-image: var(--md-admonition-icon--abstract);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.info, .md-typeset details.info, .md-typeset .admonition.todo, .md-typeset details.todo {\n  border-color: #00b8d4;\n}\n\n.md-typeset .info > .admonition-title, .md-typeset .info > summary, .md-typeset .todo > .admonition-title, .md-typeset .todo > summary {\n  background-color: rgba(0, 184, 212, 0.1);\n  border-color: #00b8d4;\n}\n.md-typeset .info > .admonition-title::before, .md-typeset .info > summary::before, .md-typeset .todo > .admonition-title::before, .md-typeset .todo > summary::before {\n  background-color: #00b8d4;\n  mask-image: var(--md-admonition-icon--info);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.tip, .md-typeset details.tip, .md-typeset .admonition.important, .md-typeset details.important, .md-typeset .admonition.hint, .md-typeset details.hint {\n  border-color: #00bfa5;\n}\n\n.md-typeset .tip > .admonition-title, .md-typeset .tip > summary, .md-typeset .important > .admonition-title, .md-typeset .important > summary, .md-typeset .hint > .admonition-title, .md-typeset .hint > summary {\n  background-color: rgba(0, 191, 165, 0.1);\n  border-color: #00bfa5;\n}\n.md-typeset .tip > .admonition-title::before, .md-typeset .tip > summary::before, .md-typeset .important > .admonition-title::before, .md-typeset .important > summary::before, .md-typeset .hint > .admonition-title::before, .md-typeset .hint > summary::before {\n  background-color: #00bfa5;\n  mask-image: var(--md-admonition-icon--tip);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.success, .md-typeset details.success, .md-typeset .admonition.done, .md-typeset details.done, .md-typeset .admonition.check, .md-typeset details.check {\n  border-color: #00c853;\n}\n\n.md-typeset .success > .admonition-title, .md-typeset .success > summary, .md-typeset .done > .admonition-title, .md-typeset .done > summary, .md-typeset .check > .admonition-title, .md-typeset .check > summary {\n  background-color: rgba(0, 200, 83, 0.1);\n  border-color: #00c853;\n}\n.md-typeset .success > .admonition-title::before, .md-typeset .success > summary::before, .md-typeset .done > .admonition-title::before, .md-typeset .done > summary::before, .md-typeset .check > .admonition-title::before, .md-typeset .check > summary::before {\n  background-color: #00c853;\n  mask-image: var(--md-admonition-icon--success);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.question, .md-typeset details.question, .md-typeset .admonition.faq, .md-typeset details.faq, .md-typeset .admonition.help, .md-typeset details.help {\n  border-color: #64dd17;\n}\n\n.md-typeset .question > .admonition-title, .md-typeset .question > summary, .md-typeset .faq > .admonition-title, .md-typeset .faq > summary, .md-typeset .help > .admonition-title, .md-typeset .help > summary {\n  background-color: rgba(100, 221, 23, 0.1);\n  border-color: #64dd17;\n}\n.md-typeset .question > .admonition-title::before, .md-typeset .question > summary::before, .md-typeset .faq > .admonition-title::before, .md-typeset .faq > summary::before, .md-typeset .help > .admonition-title::before, .md-typeset .help > summary::before {\n  background-color: #64dd17;\n  mask-image: var(--md-admonition-icon--question);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.warning, .md-typeset details.warning, .md-typeset .admonition.attention, .md-typeset details.attention, .md-typeset .admonition.caution, .md-typeset details.caution {\n  border-color: #ff9100;\n}\n\n.md-typeset .warning > .admonition-title, .md-typeset .warning > summary, .md-typeset .attention > .admonition-title, .md-typeset .attention > summary, .md-typeset .caution > .admonition-title, .md-typeset .caution > summary {\n  background-color: rgba(255, 145, 0, 0.1);\n  border-color: #ff9100;\n}\n.md-typeset .warning > .admonition-title::before, .md-typeset .warning > summary::before, .md-typeset .attention > .admonition-title::before, .md-typeset .attention > summary::before, .md-typeset .caution > .admonition-title::before, .md-typeset .caution > summary::before {\n  background-color: #ff9100;\n  mask-image: var(--md-admonition-icon--warning);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.failure, .md-typeset details.failure, .md-typeset .admonition.missing, .md-typeset details.missing, .md-typeset .admonition.fail, .md-typeset details.fail {\n  border-color: #ff5252;\n}\n\n.md-typeset .failure > .admonition-title, .md-typeset .failure > summary, .md-typeset .missing > .admonition-title, .md-typeset .missing > summary, .md-typeset .fail > .admonition-title, .md-typeset .fail > summary {\n  background-color: rgba(255, 82, 82, 0.1);\n  border-color: #ff5252;\n}\n.md-typeset .failure > .admonition-title::before, .md-typeset .failure > summary::before, .md-typeset .missing > .admonition-title::before, .md-typeset .missing > summary::before, .md-typeset .fail > .admonition-title::before, .md-typeset .fail > summary::before {\n  background-color: #ff5252;\n  mask-image: var(--md-admonition-icon--failure);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.danger, .md-typeset details.danger, .md-typeset .admonition.error, .md-typeset details.error {\n  border-color: #ff1744;\n}\n\n.md-typeset .danger > .admonition-title, .md-typeset .danger > summary, .md-typeset .error > .admonition-title, .md-typeset .error > summary {\n  background-color: rgba(255, 23, 68, 0.1);\n  border-color: #ff1744;\n}\n.md-typeset .danger > .admonition-title::before, .md-typeset .danger > summary::before, .md-typeset .error > .admonition-title::before, .md-typeset .error > summary::before {\n  background-color: #ff1744;\n  mask-image: var(--md-admonition-icon--danger);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.bug, .md-typeset details.bug {\n  border-color: #f50057;\n}\n\n.md-typeset .bug > .admonition-title, .md-typeset .bug > summary {\n  background-color: rgba(245, 0, 87, 0.1);\n  border-color: #f50057;\n}\n.md-typeset .bug > .admonition-title::before, .md-typeset .bug > summary::before {\n  background-color: #f50057;\n  mask-image: var(--md-admonition-icon--bug);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.example, .md-typeset details.example {\n  border-color: #7c4dff;\n}\n\n.md-typeset .example > .admonition-title, .md-typeset .example > summary {\n  background-color: rgba(124, 77, 255, 0.1);\n  border-color: #7c4dff;\n}\n.md-typeset .example > .admonition-title::before, .md-typeset .example > summary::before {\n  background-color: #7c4dff;\n  mask-image: var(--md-admonition-icon--example);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.quote, .md-typeset details.quote, .md-typeset .admonition.cite, .md-typeset details.cite {\n  border-color: #9e9e9e;\n}\n\n.md-typeset .quote > .admonition-title, .md-typeset .quote > summary, .md-typeset .cite > .admonition-title, .md-typeset .cite > summary {\n  background-color: rgba(158, 158, 158, 0.1);\n  border-color: #9e9e9e;\n}\n.md-typeset .quote > .admonition-title::before, .md-typeset .quote > summary::before, .md-typeset .cite > .admonition-title::before, .md-typeset .cite > summary::before {\n  background-color: #9e9e9e;\n  mask-image: var(--md-admonition-icon--quote);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n:root {\n  --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n.md-typeset [id^=\"fnref:\"]:target {\n  scroll-margin-top: initial;\n  margin-top: -3.4rem;\n  padding-top: 3.4rem;\n}\n.md-typeset [id^=\"fn:\"]:target {\n  scroll-margin-top: initial;\n  margin-top: -3.45rem;\n  padding-top: 3.45rem;\n}\n.md-typeset .footnote {\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n}\n.md-typeset .footnote > ol {\n  margin-left: 0;\n}\n.md-typeset .footnote > ol > li {\n  transition: color 125ms;\n}\n.md-typeset .footnote > ol > li:target {\n  color: var(--md-default-fg-color);\n}\n.md-typeset .footnote > ol > li:hover .footnote-backref, .md-typeset .footnote > ol > li:target .footnote-backref {\n  transform: translateX(0);\n  opacity: 1;\n}\n.md-typeset .footnote > ol > li > :first-child {\n  margin-top: 0;\n}\n.md-typeset .footnote-backref {\n  display: inline-block;\n  color: var(--md-typeset-a-color);\n  font-size: 0;\n  vertical-align: text-bottom;\n  transform: translateX(0.25rem);\n  opacity: 0;\n  transition: color 250ms, transform 250ms 250ms, opacity 125ms 250ms;\n}\n@media print {\n  .md-typeset .footnote-backref {\n    color: var(--md-typeset-a-color);\n    transform: translateX(0);\n    opacity: 1;\n  }\n}\n[dir=rtl] .md-typeset .footnote-backref {\n  transform: translateX(-0.25rem);\n}\n.md-typeset .footnote-backref:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset .footnote-backref::before {\n  display: inline-block;\n  width: 0.8rem;\n  height: 0.8rem;\n  background-color: currentColor;\n  mask-image: var(--md-footnotes-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .footnote-backref::before svg {\n  transform: scaleX(-1);\n}\n\n.md-typeset .headerlink {\n  display: inline-block;\n  margin-left: 0.5rem;\n  color: var(--md-default-fg-color--lighter);\n  opacity: 0;\n  transition: color 250ms, opacity 125ms;\n}\n@media print {\n  .md-typeset .headerlink {\n    display: none;\n  }\n}\n[dir=rtl] .md-typeset .headerlink {\n  margin-right: 0.5rem;\n  margin-left: initial;\n}\n.md-typeset :hover > .headerlink,\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus {\n  opacity: 1;\n  transition: color 250ms, opacity 125ms;\n}\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus,\n.md-typeset .headerlink:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset :target {\n  scroll-margin-top: 3.6rem;\n}\n.md-typeset h1:target,\n.md-typeset h2:target,\n.md-typeset h3:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h1:target::before,\n.md-typeset h2:target::before,\n.md-typeset h3:target::before {\n  display: block;\n  margin-top: -3.4rem;\n  padding-top: 3.4rem;\n  content: \"\";\n}\n.md-typeset h4:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h4:target::before {\n  display: block;\n  margin-top: -3.45rem;\n  padding-top: 3.45rem;\n  content: \"\";\n}\n.md-typeset h5:target,\n.md-typeset h6:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h5:target::before,\n.md-typeset h6:target::before {\n  display: block;\n  margin-top: -3.6rem;\n  padding-top: 3.6rem;\n  content: \"\";\n}\n\n.md-typeset div.arithmatex {\n  overflow: auto;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset div.arithmatex {\n    margin: 0 -0.8rem;\n  }\n}\n.md-typeset div.arithmatex > * {\n  width: min-content;\n  margin: 1em auto !important;\n  padding: 0 0.8rem;\n  touch-action: auto;\n}\n\n.md-typeset del.critic,\n.md-typeset ins.critic,\n.md-typeset .critic.comment {\n  box-decoration-break: clone;\n}\n.md-typeset del.critic {\n  background-color: var(--md-typeset-del-color);\n}\n.md-typeset ins.critic {\n  background-color: var(--md-typeset-ins-color);\n}\n.md-typeset .critic.comment {\n  color: var(--md-code-hl-comment-color);\n}\n.md-typeset .critic.comment::before {\n  content: \"/* \";\n}\n.md-typeset .critic.comment::after {\n  content: \" */\";\n}\n.md-typeset .critic.block {\n  display: block;\n  margin: 1em 0;\n  padding-right: 0.8rem;\n  padding-left: 0.8rem;\n  overflow: auto;\n  box-shadow: none;\n}\n.md-typeset .critic.block > :first-child {\n  margin-top: 0.5em;\n}\n.md-typeset .critic.block > :last-child {\n  margin-bottom: 0.5em;\n}\n\n:root {\n  --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n.md-typeset details {\n  display: flow-root;\n  padding-top: 0;\n  overflow: visible;\n}\n.md-typeset details[open] > summary::after {\n  transform: rotate(90deg);\n}\n.md-typeset details:not([open]) {\n  padding-bottom: 0;\n  box-shadow: none;\n}\n.md-typeset details:not([open]) > summary {\n  border-radius: 0.1rem;\n}\n.md-typeset details::after {\n  display: table;\n  content: \"\";\n}\n.md-typeset summary {\n  display: block;\n  min-height: 1rem;\n  padding: 0.4rem 1.8rem 0.4rem 2rem;\n  border-top-left-radius: 0.1rem;\n  border-top-right-radius: 0.1rem;\n  cursor: pointer;\n}\n[dir=rtl] .md-typeset summary {\n  padding: 0.4rem 2.2rem 0.4rem 1.8rem;\n}\n.md-typeset summary:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset summary::after {\n  position: absolute;\n  top: 0.4rem;\n  right: 0.4rem;\n  width: 1rem;\n  height: 1rem;\n  background-color: currentColor;\n  mask-image: var(--md-details-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  transform: rotate(0deg);\n  transition: transform 250ms;\n  content: \"\";\n}\n[dir=rtl] .md-typeset summary::after {\n  right: initial;\n  left: 0.4rem;\n  transform: rotate(180deg);\n}\n.md-typeset summary::marker, .md-typeset summary::-webkit-details-marker {\n  display: none;\n}\n\n.md-typeset .emojione,\n.md-typeset .twemoji,\n.md-typeset .gemoji {\n  display: inline-flex;\n  height: 1.125em;\n  vertical-align: text-top;\n}\n.md-typeset .emojione svg,\n.md-typeset .twemoji svg,\n.md-typeset .gemoji svg {\n  width: 1.125em;\n  max-height: 100%;\n  fill: currentColor;\n}\n\n.highlight .o,\n.highlight .ow {\n  color: var(--md-code-hl-operator-color);\n}\n.highlight .p {\n  color: var(--md-code-hl-punctuation-color);\n}\n.highlight .cpf,\n.highlight .l,\n.highlight .s,\n.highlight .sb,\n.highlight .sc,\n.highlight .s2,\n.highlight .si,\n.highlight .s1,\n.highlight .ss {\n  color: var(--md-code-hl-string-color);\n}\n.highlight .cp,\n.highlight .se,\n.highlight .sh,\n.highlight .sr,\n.highlight .sx {\n  color: var(--md-code-hl-special-color);\n}\n.highlight .m,\n.highlight .mb,\n.highlight .mf,\n.highlight .mh,\n.highlight .mi,\n.highlight .il,\n.highlight .mo {\n  color: var(--md-code-hl-number-color);\n}\n.highlight .k,\n.highlight .kd,\n.highlight .kn,\n.highlight .kp,\n.highlight .kr,\n.highlight .kt {\n  color: var(--md-code-hl-keyword-color);\n}\n.highlight .kc,\n.highlight .n {\n  color: var(--md-code-hl-name-color);\n}\n.highlight .no,\n.highlight .nb,\n.highlight .bp {\n  color: var(--md-code-hl-constant-color);\n}\n.highlight .nc,\n.highlight .ne,\n.highlight .nf,\n.highlight .nn {\n  color: var(--md-code-hl-function-color);\n}\n.highlight .nd,\n.highlight .ni,\n.highlight .nl,\n.highlight .nt {\n  color: var(--md-code-hl-keyword-color);\n}\n.highlight .c,\n.highlight .cm,\n.highlight .c1,\n.highlight .ch,\n.highlight .cs,\n.highlight .sd {\n  color: var(--md-code-hl-comment-color);\n}\n.highlight .na,\n.highlight .nv,\n.highlight .vc,\n.highlight .vg,\n.highlight .vi {\n  color: var(--md-code-hl-variable-color);\n}\n.highlight .ge,\n.highlight .gr,\n.highlight .gh,\n.highlight .go,\n.highlight .gp,\n.highlight .gs,\n.highlight .gu,\n.highlight .gt {\n  color: var(--md-code-hl-generic-color);\n}\n.highlight .gd,\n.highlight .gi {\n  margin: 0 -0.125em;\n  padding: 0 0.125em;\n  border-radius: 0.1rem;\n}\n.highlight .gd {\n  background-color: var(--md-typeset-del-color);\n}\n.highlight .gi {\n  background-color: var(--md-typeset-ins-color);\n}\n.highlight .hll {\n  display: block;\n  margin: 0 -1.1764705882em;\n  padding: 0 1.1764705882em;\n  background-color: var(--md-code-hl-color);\n}\n.highlight [data-linenos]::before {\n  position: sticky;\n  left: -1.1764705882em;\n  float: left;\n  margin-right: 1.1764705882em;\n  margin-left: -1.1764705882em;\n  padding-left: 1.1764705882em;\n  color: var(--md-default-fg-color--light);\n  background-color: var(--md-code-bg-color);\n  box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n  content: attr(data-linenos);\n  user-select: none;\n}\n\n.highlighttable {\n  display: flow-root;\n  overflow: hidden;\n}\n.highlighttable tbody,\n.highlighttable td {\n  display: block;\n  padding: 0;\n}\n.highlighttable tr {\n  display: flex;\n}\n.highlighttable pre {\n  margin: 0;\n}\n.highlighttable .linenos {\n  padding: 0.7720588235em 1.1764705882em;\n  padding-right: 0;\n  font-size: 0.85em;\n  background-color: var(--md-code-bg-color);\n  user-select: none;\n}\n.highlighttable .linenodiv {\n  padding-right: 0.5882352941em;\n  box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n}\n.highlighttable .linenodiv pre {\n  color: var(--md-default-fg-color--light);\n  text-align: right;\n}\n.highlighttable .code {\n  flex: 1;\n  overflow: hidden;\n}\n\n.md-typeset .highlighttable {\n  margin: 1em 0;\n  direction: ltr;\n  border-radius: 0.1rem;\n}\n.md-typeset .highlighttable code {\n  border-radius: 0;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset > .highlight {\n    margin: 1em -0.8rem;\n  }\n  .md-typeset > .highlight .hll {\n    margin: 0 -0.8rem;\n    padding: 0 0.8rem;\n  }\n  .md-typeset > .highlight code {\n    border-radius: 0;\n  }\n  .md-typeset > .highlighttable {\n    margin: 1em -0.8rem;\n    border-radius: 0;\n  }\n  .md-typeset > .highlighttable .hll {\n    margin: 0 -0.8rem;\n    padding: 0 0.8rem;\n  }\n}\n\n.md-typeset .keys kbd::before,\n.md-typeset .keys kbd::after {\n  position: relative;\n  margin: 0;\n  color: inherit;\n  -moz-osx-font-smoothing: initial;\n  -webkit-font-smoothing: initial;\n}\n.md-typeset .keys span {\n  padding: 0 0.2em;\n  color: var(--md-default-fg-color--light);\n}\n.md-typeset .keys .key-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-left-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-right-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-left-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-right-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-left-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-right-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-left-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-right-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-left-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-right-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-left-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-right-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-left-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-right-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-left-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-right-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-arrow-down::before {\n  padding-right: 0.4em;\n  content: \"↓\";\n}\n.md-typeset .keys .key-arrow-left::before {\n  padding-right: 0.4em;\n  content: \"←\";\n}\n.md-typeset .keys .key-arrow-right::before {\n  padding-right: 0.4em;\n  content: \"→\";\n}\n.md-typeset .keys .key-arrow-up::before {\n  padding-right: 0.4em;\n  content: \"↑\";\n}\n.md-typeset .keys .key-backspace::before {\n  padding-right: 0.4em;\n  content: \"⌫\";\n}\n.md-typeset .keys .key-backtab::before {\n  padding-right: 0.4em;\n  content: \"⇤\";\n}\n.md-typeset .keys .key-caps-lock::before {\n  padding-right: 0.4em;\n  content: \"⇪\";\n}\n.md-typeset .keys .key-clear::before {\n  padding-right: 0.4em;\n  content: \"⌧\";\n}\n.md-typeset .keys .key-context-menu::before {\n  padding-right: 0.4em;\n  content: \"☰\";\n}\n.md-typeset .keys .key-delete::before {\n  padding-right: 0.4em;\n  content: \"⌦\";\n}\n.md-typeset .keys .key-eject::before {\n  padding-right: 0.4em;\n  content: \"⏏\";\n}\n.md-typeset .keys .key-end::before {\n  padding-right: 0.4em;\n  content: \"⤓\";\n}\n.md-typeset .keys .key-escape::before {\n  padding-right: 0.4em;\n  content: \"⎋\";\n}\n.md-typeset .keys .key-home::before {\n  padding-right: 0.4em;\n  content: \"⤒\";\n}\n.md-typeset .keys .key-insert::before {\n  padding-right: 0.4em;\n  content: \"⎀\";\n}\n.md-typeset .keys .key-page-down::before {\n  padding-right: 0.4em;\n  content: \"⇟\";\n}\n.md-typeset .keys .key-page-up::before {\n  padding-right: 0.4em;\n  content: \"⇞\";\n}\n.md-typeset .keys .key-print-screen::before {\n  padding-right: 0.4em;\n  content: \"⎙\";\n}\n.md-typeset .keys .key-tab::after {\n  padding-left: 0.4em;\n  content: \"⇥\";\n}\n.md-typeset .keys .key-num-enter::after {\n  padding-left: 0.4em;\n  content: \"⌤\";\n}\n.md-typeset .keys .key-enter::after {\n  padding-left: 0.4em;\n  content: \"⏎\";\n}\n\n.md-typeset .tabbed-content {\n  display: none;\n  order: 99;\n  width: 100%;\n  box-shadow: 0 -0.05rem var(--md-default-fg-color--lightest);\n}\n@media print {\n  .md-typeset .tabbed-content {\n    display: block;\n    order: initial;\n  }\n}\n.md-typeset .tabbed-content > pre:only-child,\n.md-typeset .tabbed-content > .highlight:only-child pre,\n.md-typeset .tabbed-content > .highlighttable:only-child {\n  margin: 0;\n}\n.md-typeset .tabbed-content > pre:only-child > code,\n.md-typeset .tabbed-content > .highlight:only-child pre > code,\n.md-typeset .tabbed-content > .highlighttable:only-child > code {\n  border-top-left-radius: 0;\n  border-top-right-radius: 0;\n}\n.md-typeset .tabbed-content > .tabbed-set {\n  margin: 0;\n}\n.md-typeset .tabbed-set {\n  position: relative;\n  display: flex;\n  flex-wrap: wrap;\n  margin: 1em 0;\n  border-radius: 0.1rem;\n}\n.md-typeset .tabbed-set > input {\n  position: absolute;\n  width: 0;\n  height: 0;\n  opacity: 0;\n}\n.md-typeset .tabbed-set > input:checked + label {\n  color: var(--md-accent-fg-color);\n  border-color: var(--md-accent-fg-color);\n}\n.md-typeset .tabbed-set > input:checked + label + .tabbed-content {\n  display: block;\n}\n.md-typeset .tabbed-set > input:focus + label {\n  outline-style: auto;\n}\n.md-typeset .tabbed-set > input:not(.focus-visible) + label {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset .tabbed-set > label {\n  z-index: 1;\n  width: auto;\n  padding: 0.9375em 1.25em 0.78125em;\n  color: var(--md-default-fg-color--light);\n  font-weight: 700;\n  font-size: 0.64rem;\n  border-bottom: 0.1rem solid transparent;\n  cursor: pointer;\n  transition: color 250ms;\n}\n.md-typeset .tabbed-set > label:hover {\n  color: var(--md-accent-fg-color);\n}\n\n:root {\n  --md-tasklist-icon:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n  --md-tasklist-icon--checked:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n.md-typeset .task-list-item {\n  position: relative;\n  list-style-type: none;\n}\n.md-typeset .task-list-item [type=checkbox] {\n  position: absolute;\n  top: 0.45em;\n  left: -2em;\n}\n[dir=rtl] .md-typeset .task-list-item [type=checkbox] {\n  right: -2em;\n  left: initial;\n}\n.md-typeset .task-list-control [type=checkbox] {\n  z-index: -1;\n  opacity: 0;\n}\n.md-typeset .task-list-indicator::before {\n  position: absolute;\n  top: 0.15em;\n  left: -1.5em;\n  width: 1.25em;\n  height: 1.25em;\n  background-color: var(--md-default-fg-color--lightest);\n  mask-image: var(--md-tasklist-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .task-list-indicator::before {\n  right: -1.5em;\n  left: initial;\n}\n.md-typeset [type=checkbox]:checked + .task-list-indicator::before {\n  background-color: #00e676;\n  mask-image: var(--md-tasklist-icon--checked);\n}\n\n@media screen and (min-width: 45em) {\n  .md-typeset .inline {\n    float: left;\n    width: 11.7rem;\n    margin-top: 0;\n    margin-right: 0.8rem;\n    margin-bottom: 0.8rem;\n  }\n  [dir=rtl] .md-typeset .inline {\n    float: right;\n    margin-right: 0;\n    margin-left: 0.8rem;\n  }\n  .md-typeset .inline.end {\n    float: right;\n    margin-right: 0;\n    margin-left: 0.8rem;\n  }\n  [dir=rtl] .md-typeset .inline.end {\n    float: left;\n    margin-right: 0.8rem;\n    margin-left: 0;\n  }\n}\n\n/*# sourceMappingURL=main.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Enforce correct box model and prevent adjustments of font size after\n// orientation changes in IE and iOS\nhtml {\n  box-sizing: border-box;\n  text-size-adjust: none;\n}\n\n// All elements shall inherit the document default\n*,\n*::before,\n*::after {\n  box-sizing: inherit;\n}\n\n// Remove margin in all browsers\nbody {\n  margin: 0;\n}\n\n// Reset tap outlines on iOS and Android\na,\nbutton,\nlabel,\ninput {\n  -webkit-tap-highlight-color: transparent;\n}\n\n// Reset link styles\na {\n  color: inherit;\n  text-decoration: none;\n}\n\n// Normalize horizontal separator styles\nhr {\n  display: block;\n  box-sizing: content-box;\n  height: px2rem(1px);\n  padding: 0;\n  overflow: visible;\n  border: 0;\n}\n\n// Normalize font-size in all browsers\nsmall {\n  font-size: 80%;\n}\n\n// Prevent subscript and superscript from affecting line-height\nsub,\nsup {\n  line-height: 1em;\n}\n\n// Remove border on image\nimg {\n  border-style: none;\n}\n\n// Reset table styles\ntable {\n  border-collapse: separate;\n  border-spacing: 0;\n}\n\n// Reset table cell styles\ntd,\nth {\n  font-weight: 400;\n  vertical-align: top;\n}\n\n// Reset button styles\nbutton {\n  margin: 0;\n  padding: 0;\n  font-size: inherit;\n  background: transparent;\n  border: 0;\n}\n\n// Reset input styles\ninput {\n  border: 0;\n  outline: none;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Color definitions\n:root {\n\n  // Default color shades\n  --md-default-fg-color:               hsla(0, 0%, 0%, 0.87);\n  --md-default-fg-color--light:        hsla(0, 0%, 0%, 0.54);\n  --md-default-fg-color--lighter:      hsla(0, 0%, 0%, 0.32);\n  --md-default-fg-color--lightest:     hsla(0, 0%, 0%, 0.07);\n  --md-default-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-default-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n  --md-default-bg-color--lighter:      hsla(0, 0%, 100%, 0.3);\n  --md-default-bg-color--lightest:     hsla(0, 0%, 100%, 0.12);\n\n  // Primary color shades\n  --md-primary-fg-color:               hsla(#{hex2hsl($clr-indigo-500)}, 1);\n  --md-primary-fg-color--light:        hsla(#{hex2hsl($clr-indigo-400)}, 1);\n  --md-primary-fg-color--dark:         hsla(#{hex2hsl($clr-indigo-700)}, 1);\n  --md-primary-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n\n  // Accent color shades\n  --md-accent-fg-color:                hsla(#{hex2hsl($clr-indigo-a200)}, 1);\n  --md-accent-fg-color--transparent:   hsla(#{hex2hsl($clr-indigo-a200)}, 0.1);\n  --md-accent-bg-color:                hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light:         hsla(0, 0%, 100%, 0.7);\n\n  // Light theme (default)\n  > * {\n\n    // Code color shades\n    --md-code-fg-color:                hsla(200, 18%, 26%, 1);\n    --md-code-bg-color:                hsla(0, 0%, 96%, 1);\n\n    // Code highlighting color shades\n    --md-code-hl-color:                hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n    --md-code-hl-number-color:         hsla(0, 67%, 50%, 1);\n    --md-code-hl-special-color:        hsla(340, 83%, 47%, 1);\n    --md-code-hl-function-color:       hsla(291, 45%, 50%, 1);\n    --md-code-hl-constant-color:       hsla(250, 63%, 60%, 1);\n    --md-code-hl-keyword-color:        hsla(219, 54%, 51%, 1);\n    --md-code-hl-string-color:         hsla(150, 63%, 30%, 1);\n    --md-code-hl-name-color:           var(--md-code-fg-color);\n    --md-code-hl-operator-color:       var(--md-default-fg-color--light);\n    --md-code-hl-punctuation-color:    var(--md-default-fg-color--light);\n    --md-code-hl-comment-color:        var(--md-default-fg-color--light);\n    --md-code-hl-generic-color:        var(--md-default-fg-color--light);\n    --md-code-hl-variable-color:       var(--md-default-fg-color--light);\n\n    // Typeset color shades\n    --md-typeset-color:                var(--md-default-fg-color);\n    --md-typeset-a-color:              var(--md-primary-fg-color);\n\n    // Typeset `mark` color shades\n    --md-typeset-mark-color:           hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n\n    // Typeset `del` and `ins` color shades\n    --md-typeset-del-color:            hsla(6, 90%, 60%, 0.15);\n    --md-typeset-ins-color:            hsla(150, 90%, 44%, 0.15);\n\n    // Typeset `kbd` color shades\n    --md-typeset-kbd-color:            hsla(0, 0%, 98%, 1);\n    --md-typeset-kbd-accent-color:     hsla(0, 100%, 100%, 1);\n    --md-typeset-kbd-border-color:     hsla(0, 0%, 72%, 1);\n\n    // Admonition color shades\n    --md-admonition-fg-color:          var(--md-default-fg-color);\n    --md-admonition-bg-color:          var(--md-default-bg-color);\n\n    // Footer color shades\n    --md-footer-fg-color:              hsla(0, 0%, 100%, 1);\n    --md-footer-fg-color--light:       hsla(0, 0%, 100%, 0.7);\n    --md-footer-fg-color--lighter:     hsla(0, 0%, 100%, 0.3);\n    --md-footer-bg-color:              hsla(0, 0%, 0%, 0.87);\n    --md-footer-bg-color--dark:        hsla(0, 0%, 0%, 0.32);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon\n.md-icon {\n\n  // SVG defaults\n  svg {\n    display: block;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    fill: currentColor;\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: font definitions\n// ----------------------------------------------------------------------------\n\n// Enable font-smoothing in Webkit and FF\nbody {\n  -webkit-font-smoothing: antialiased;\n  -moz-osx-font-smoothing: grayscale;\n}\n\n// Define default fonts\nbody,\ninput {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\", \"liga\";\n  font-family:\n    var(--md-text-font-family, _),\n    -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\n// Define monospaced fonts\ncode,\npre,\nkbd {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\";\n  font-family:\n    var(--md-code-font-family, _),\n    SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: typesetted content\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-typeset-table--ascending: svg-load(\"material/arrow-down.svg\");\n  --md-typeset-table--descending: svg-load(\"material/arrow-up.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Content that is typeset - if possible, all margins, paddings and font sizes\n// should be set in ems, so nested blocks (e.g. admonitions) render correctly.\n.md-typeset {\n  font-size: px2rem(16px);\n  line-height: 1.6;\n  color-adjust: exact;\n\n  // [print]: We'll use a smaller `font-size` for printing, so code examples\n  // don't break too early, and `16px` looks too big anyway.\n  @media print {\n    font-size: px2rem(13.6px);\n  }\n\n  // Default spacing\n  ul,\n  ol,\n  dl,\n  figure,\n  blockquote,\n  pre {\n    display: flow-root;\n    margin: 1em 0;\n  }\n\n  // Headline on level 1\n  h1 {\n    margin: 0 0 px2em(40px, 32px);\n    color: var(--md-default-fg-color--light);\n    font-weight: 300;\n    font-size: px2em(32px);\n    line-height: 1.3;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 2\n  h2 {\n    margin: px2em(40px, 25px) 0 px2em(16px, 25px);\n    font-weight: 300;\n    font-size: px2em(25px);\n    line-height: 1.4;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 3\n  h3 {\n    margin: px2em(32px, 20px) 0 px2em(16px, 20px);\n    font-weight: 400;\n    font-size: px2em(20px);\n    line-height: 1.5;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 3 following level 2\n  h2 + h3 {\n    margin-top: px2em(16px, 20px);\n  }\n\n  // Headline on level 4\n  h4 {\n    margin: px2em(16px) 0;\n    font-weight: 700;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 5-6\n  h5,\n  h6 {\n    margin: px2em(16px, 12.8px) 0;\n    color: var(--md-default-fg-color--light);\n    font-weight: 700;\n    font-size: px2em(12.8px);\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 5\n  h5 {\n    text-transform: uppercase;\n  }\n\n  // Horizontal separator\n  hr {\n    display: flow-root;\n    margin: 1.5em 0;\n    border-bottom: px2rem(1px) solid var(--md-default-fg-color--lightest);\n  }\n\n  // Text link\n  a {\n    color: var(--md-typeset-a-color);\n    word-break: break-word;\n\n    // Also enable color transition on pseudo elements\n    &,\n    &::before {\n      transition: color 125ms;\n    }\n\n    // Text link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n  }\n\n  // Code block\n  code,\n  pre,\n  kbd {\n    color: var(--md-code-fg-color);\n    direction: ltr;\n\n    // [print]: Wrap text and hide scollbars\n    @media print {\n      white-space: pre-wrap;\n    }\n  }\n\n  // Inline code block\n  code {\n    padding: 0 px2em(4px, 13.6px);\n    font-size: px2em(13.6px);\n    word-break: break-word;\n    background-color: var(--md-code-bg-color);\n    border-radius: px2rem(2px);\n    box-decoration-break: clone;\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n      -webkit-tap-highlight-color: transparent;\n    }\n  }\n\n  // Code block in headline\n  h1 code,\n  h2 code,\n  h3 code,\n  h4 code,\n  h5 code,\n  h6 code {\n    margin: initial;\n    padding: initial;\n    background-color: transparent;\n    box-shadow: none;\n  }\n\n  // Ensure link color in code blocks\n  a code {\n    color: currentColor;\n  }\n\n  // Unformatted content\n  pre {\n    position: relative;\n    line-height: 1.4;\n\n    // Code block\n    > code {\n      display: block;\n      margin: 0;\n      padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n      overflow: auto;\n      word-break: normal;\n      box-shadow: none;\n      box-decoration-break: slice;\n      touch-action: auto;\n      scrollbar-width: thin;\n      scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n      // Code block on hover\n      &:hover {\n        scrollbar-color: var(--md-accent-fg-color) transparent;\n      }\n\n      // Webkit scrollbar\n      &::-webkit-scrollbar {\n        width: px2rem(4px);\n        height: px2rem(4px);\n      }\n\n      // Webkit scrollbar thumb\n      &::-webkit-scrollbar-thumb {\n        background-color: var(--md-default-fg-color--lighter);\n\n        // Webkit scrollbar thumb on hover\n        &:hover {\n          background-color: var(--md-accent-fg-color);\n        }\n      }\n    }\n  }\n\n  // [mobile -]: Align with body copy\n  @include break-to-device(mobile) {\n\n    // Unformatted text\n    > pre {\n      margin: 1em px2rem(-16px);\n\n      // Code block\n      code {\n        border-radius: 0;\n      }\n    }\n  }\n\n  // Keyboard key\n  kbd {\n    display: inline-block;\n    padding: 0 px2em(8px, 12px);\n    color: var(--md-default-fg-color);\n    font-size: px2em(12px);\n    vertical-align: text-top;\n    word-break: break-word;\n    background-color: var(--md-typeset-kbd-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(2px)  0 px2rem(1px) var(--md-typeset-kbd-border-color),\n      0 px2rem(2px)  0             var(--md-typeset-kbd-border-color),\n      0 px2rem(-2px) px2rem(4px)   var(--md-typeset-kbd-accent-color) inset;\n  }\n\n  // Text highlighting marker\n  mark {\n    color: inherit;\n    word-break: break-word;\n    background-color: var(--md-typeset-mark-color);\n    box-decoration-break: clone;\n  }\n\n  // Abbreviation\n  abbr {\n    text-decoration: none;\n    border-bottom: px2rem(1px) dotted var(--md-default-fg-color--light);\n    cursor: help;\n\n    // Show tooltip for touch devices\n    @media (hover: none) {\n      position: relative;\n\n      // Tooltip\n      &[title]:focus::after,\n      &[title]:hover::after {\n        @include z-depth(2);\n\n        position: absolute;\n        left: 0;\n        display: inline-block;\n        width: auto;\n        min-width: max-content;\n        max-width: 80%;\n        margin-top: 2em;\n        padding: px2rem(4px) px2rem(6px);\n        color: var(--md-default-bg-color);\n        font-size: px2rem(14px);\n        background-color: var(--md-default-fg-color);\n        border-radius: px2rem(2px);\n        content: attr(title);\n      }\n    }\n  }\n\n  // Small text\n  small {\n    opacity: 0.75;\n  }\n\n  // Superscript and subscript\n  sup,\n  sub {\n    margin-left: px2em(1px, 12.8px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(1px, 12.8px);\n      margin-left: initial;\n    }\n  }\n\n  // Blockquotes, possibly nested\n  blockquote {\n    padding-left: px2rem(12px);\n    color: var(--md-default-fg-color--light);\n    border-left: px2rem(4px) solid var(--md-default-fg-color--lighter);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: initial;\n      border-right: px2rem(4px) solid var(--md-default-fg-color--lighter);\n      border-left: initial;\n    }\n  }\n\n  // Unordered list\n  ul {\n    list-style-type: disc;\n  }\n\n  // Unordered and ordered list\n  ul,\n  ol {\n    margin-left: px2em(10px);\n    padding: 0;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(10px);\n      margin-left: initial;\n    }\n\n    // Nested ordered list\n    ol {\n      list-style-type: lower-alpha;\n\n      // Triply nested ordered list\n      ol {\n        list-style-type: lower-roman;\n      }\n    }\n\n    // List element\n    li {\n      margin-bottom: 0.5em;\n      margin-left: px2em(20px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2em(20px);\n        margin-left: initial;\n      }\n\n      // Adjust spacing\n      p,\n      blockquote {\n        margin: 0.5em 0;\n      }\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n\n      // Nested list\n      ul,\n      ol {\n        margin: 0.5em 0 0.5em px2em(10px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2em(10px);\n          margin-left: initial;\n        }\n      }\n    }\n  }\n\n  // Definition list\n  dd {\n    margin: 1em 0 1.5em px2em(30px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(30px);\n      margin-left: initial;\n    }\n  }\n\n  // Image or icon\n  img,\n  svg {\n    max-width: 100%;\n    height: auto;\n\n    // Adjust spacing when left-aligned\n    &[align=\"left\"] {\n      margin: 1em;\n      margin-left: 0;\n    }\n\n    // Adjust spacing when right-aligned\n    &[align=\"right\"] {\n      margin: 1em;\n      margin-right: 0;\n    }\n\n    // Adjust spacing when sole children\n    &[align]:only-child {\n      margin-top: 0;\n    }\n  }\n\n  // Figure\n  figure {\n    width: fit-content;\n    max-width: 100%;\n    margin: 0 auto;\n    text-align: center;\n\n    // Figure images\n    img {\n      display: block;\n    }\n  }\n\n  // Figure caption\n  figcaption {\n    max-width: px2rem(480px);\n    margin: 1em auto 2em;\n    font-style: italic;\n  }\n\n  // Limit width to container\n  iframe {\n    max-width: 100%;\n  }\n\n  // Data table\n  table:not([class]) {\n    display: inline-block;\n    max-width: 100%;\n    overflow: auto;\n    font-size: px2rem(12.8px);\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.05),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.1);\n    touch-action: auto;\n\n    // [print]: Reset display mode so table header wraps when printing\n    @media print {\n      display: table;\n    }\n\n    // Due to margin collapse because of the necessary inline-block hack, we\n    // cannot increase the bottom margin on the table, so we just increase the\n    // top margin on the following element\n    + * {\n      margin-top: 1.5em;\n    }\n\n    // Elements in table heading and cell\n    th > *,\n    td > * {\n\n      // Adjust spacing on first child\n      &:first-child {\n        margin-top: 0;\n      }\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n    }\n\n    // Table heading and cell\n    th:not([align]),\n    td:not([align]) {\n      text-align: left;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        text-align: right;\n      }\n    }\n\n    // Table heading\n    th {\n      min-width: px2rem(100px);\n      padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n      color: var(--md-default-bg-color);\n      vertical-align: top;\n      background-color: var(--md-default-fg-color--light);\n\n      // Links in table headings\n      a {\n        color: inherit;\n      }\n    }\n\n    // Table cell\n    td {\n      padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n      vertical-align: top;\n      border-top: px2rem(1px) solid var(--md-default-fg-color--lightest);\n    }\n\n    // Table row\n    tr {\n      transition: background-color 125ms;\n\n      // Table row on hover\n      &:hover {\n        background-color: rgba(0, 0, 0, 0.035);\n        box-shadow: 0 px2rem(1px) 0 var(--md-default-bg-color) inset;\n      }\n\n      // Hide border on first table row\n      &:first-child td {\n        border-top: 0;\n      }\n    }\n\n    // Text link in table\n    a {\n      word-break: normal;\n    }\n  }\n\n  // Sortable table\n  table th[role=\"columnheader\"] {\n    cursor: pointer;\n\n    // Sort icon\n    &::after {\n      display: inline-block;\n      width: 1.2em;\n      height: 1.2em;\n      margin-left: 0.5em;\n      vertical-align: sub;\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n    }\n\n    // Sort ascending\n    &[aria-sort=\"ascending\"]::after {\n      background-color: currentColor;\n      mask-image: var(--md-typeset-table--ascending);\n    }\n\n    // Sort descending\n    &[aria-sort=\"descending\"]::after {\n      background-color: currentColor;\n      mask-image: var(--md-typeset-table--descending);\n    }\n  }\n\n  // Data table scroll wrapper\n  &__scrollwrap {\n    margin: 1em px2rem(-16px);\n    overflow-x: auto;\n    touch-action: auto;\n  }\n\n  // Data table wrapper\n  &__table {\n    display: inline-block;\n    margin-bottom: 0.5em;\n    padding: 0 px2rem(16px);\n\n    // [print]: Reset display mode so table header wraps when printing\n    @media print {\n      display: block;\n    }\n\n    // Data table\n    html & table {\n      display: table;\n      width: 100%;\n      margin: 0;\n      overflow: hidden;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n///   $break-devices: (\n///     mobile: (\n///       portrait:  220px  479px,\n///       landscape: 480px  719px\n///     ),\n///     tablet: (\n///       portrait:  720px  959px,\n///       landscape: 960px  1219px\n///     ),\n///     screen: (\n///       small:     1220px 1599px,\n///       medium:    1600px 1999px,\n///       large:     2000px\n///     )\n///   );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n  $min: 1000000;\n  $max: 0;\n  @each $key, $value in $devices {\n    @while type-of($value) == map {\n      $value: break-select-min-max($value);\n    }\n    @if type-of($value) == list {\n      @each $number in $value {\n        @if type-of($number) == number {\n          $min: min($number, $min);\n          @if $max {\n            $max: max($number, $max);\n          }\n        } @else {\n          @error \"Invalid number: #{$number}\";\n        }\n      }\n    } @else if type-of($value) == number {\n      $min: min($value, $min);\n      $max: null;\n    } @else {\n      @error \"Invalid value: #{$value}\";\n    }\n  }\n  @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n  $current: $break-devices;\n  @for $n from 1 through length($device) {\n    @if type-of($current) == map {\n      $current: map-get($current, nth($device, $n));\n    } @else {\n      @error \"Invalid device map: #{$devices}\";\n    }\n  }\n  @if type-of($current) == list or type-of($current) == number {\n    $current: (default: $current);\n  }\n  @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (min-width: $breakpoint) {\n      @content;\n    }\n  } @else if type-of($breakpoint) == list {\n    $min: nth($breakpoint, 1);\n    $max: nth($breakpoint, 2);\n    @if type-of($min) == number and type-of($max) == number {\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid breakpoint: #{$breakpoint}\";\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n  @if type-of($breakpoint) == string {\n    @media screen and (orientation: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (max-aspect-ratio: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    @if nth($breakpoint, 2) {\n      $min: nth($breakpoint, 1);\n      $max: nth($breakpoint, 2);\n\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid device: #{$device}\";\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $min: nth($breakpoint, 1);\n\n    @media screen and (min-width: $min) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $max: nth($breakpoint, 2);\n\n    @media screen and (max-width: $max) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n","//\n// Name:           Material Shadows\n// Description:    Mixins for Material Design Shadows.\n// Version:        3.0.1\n//\n// Author:         Denis Malinochkin\n// Git:            https://github.com/mrmlnc/material-shadows\n//\n// twitter:        @mrmlnc\n//\n// ------------------------------------\n\n\n// Mixins\n// ------------------------------------\n\n@mixin z-depth-transition() {\n  transition: box-shadow .28s cubic-bezier(.4, 0, .2, 1);\n}\n\n@mixin z-depth-focus() {\n  box-shadow: 0 0 8px rgba(0, 0, 0, .18), 0 8px 16px rgba(0, 0, 0, .36);\n}\n\n@mixin z-depth-2dp() {\n  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, .14),\n              0 1px 5px 0 rgba(0, 0, 0, .12),\n              0 3px 1px -2px rgba(0, 0, 0, .2);\n}\n\n@mixin z-depth-3dp() {\n  box-shadow: 0 3px 4px 0 rgba(0, 0, 0, .14),\n              0 1px 8px 0 rgba(0, 0, 0, .12),\n              0 3px 3px -2px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-4dp() {\n  box-shadow: 0 4px 5px 0 rgba(0, 0, 0, .14),\n              0 1px 10px 0 rgba(0, 0, 0, .12),\n              0 2px 4px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-6dp() {\n  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, .14),\n              0 1px 18px 0 rgba(0, 0, 0, .12),\n              0 3px 5px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-8dp() {\n  box-shadow: 0 8px 10px 1px rgba(0, 0, 0, .14),\n              0 3px 14px 2px rgba(0, 0, 0, .12),\n              0 5px 5px -3px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-16dp() {\n  box-shadow: 0 16px 24px 2px rgba(0, 0, 0, .14),\n              0  6px 30px 5px rgba(0, 0, 0, .12),\n              0  8px 10px -5px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-24dp() {\n  box-shadow: 0  9px 46px  8px rgba(0, 0, 0, .14),\n              0 24px 38px  3px rgba(0, 0, 0, .12),\n              0 11px 15px -7px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth($dp: 2) {\n  @if $dp == 2 {\n    @include z-depth-2dp();\n  } @else if $dp == 3 {\n    @include z-depth-3dp();\n  } @else if $dp == 4 {\n    @include z-depth-4dp();\n  } @else if $dp == 6 {\n    @include z-depth-6dp();\n  } @else if $dp == 8 {\n    @include z-depth-8dp();\n  } @else if $dp == 16 {\n    @include z-depth-16dp();\n  } @else if $dp == 24 {\n    @include z-depth-24dp();\n  }\n}\n\n\n// Class generator\n// ------------------------------------\n\n@mixin z-depth-classes($transition: false, $focus: false) {\n  @if $transition == true {\n    &-transition {\n      @include z-depth-transition();\n    }\n  }\n\n  @if $focus == true {\n    &-focus {\n      @include z-depth-focus();\n    }\n  }\n\n  // The available values for the shadow depth\n  @each $depth in 2, 3, 4, 6, 8, 16, 24 {\n    &-#{$depth}dp {\n      @include z-depth($depth);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: base grid and containers\n// ----------------------------------------------------------------------------\n\n// Stretch container to viewport and set base `font-size`\nhtml {\n  height: 100%;\n  overflow-x: hidden;\n  // Hack: normally, we would set the base `font-size` to `62.5%`, so we can\n  // base all calculations on `10px`, but Chromium and Chrome define a minimal\n  // `font-size` of `12px` if the system language is set to Chinese. For this\n  // reason we just double the `font-size` and set it to `20px`.\n  //\n  // See https://github.com/squidfunk/mkdocs-material/issues/911\n  font-size: 125%;\n\n  // [screen medium +]: Set base `font-size` to `11px`\n  @include break-from-device(screen medium) {\n    font-size: 137.5%;\n  }\n\n  // [screen large +]: Set base `font-size` to `12px`\n  @include break-from-device(screen large) {\n    font-size: 150%;\n  }\n}\n\n// Stretch body to container - flexbox is used, so the footer will always be\n// aligned to the bottom of the viewport\nbody {\n  position: relative;\n  display: flex;\n  flex-direction: column;\n  width: 100%;\n  min-height: 100%;\n  // Hack: reset `font-size` to `10px`, so the spacing for all inline elements\n  // is correct again. Otherwise the spacing would be based on `20px`.\n  font-size: px2rem(10px);\n  background-color: var(--md-default-bg-color);\n\n  // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n  @media print {\n    display: block;\n  }\n\n  // Body in locked state\n  &[data-md-state=\"lock\"] {\n\n    // [tablet portrait -]: Omit scroll bubbling\n    @include break-to-device(tablet portrait) {\n      position: fixed;\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Grid container - this class is applied to wrapper elements within the\n// header, content area and footer, and makes sure that their width is limited\n// to `1220px`, and they are rendered centered if the screen is larger.\n.md-grid {\n  max-width: px2rem(1220px);\n  margin-right: auto;\n  margin-left: auto;\n}\n\n// Main container\n.md-container {\n  display: flex;\n  flex-direction: column;\n  flex-grow: 1;\n\n  // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n  @media print {\n    display: block;\n  }\n}\n\n// Main area - stretch to remaining space of container\n.md-main {\n  flex-grow: 1;\n\n  // Main area wrapper\n  &__inner {\n    display: flex;\n    height: 100%;\n    margin-top: px2rem(24px + 6px);\n  }\n}\n\n// Add ellipsis in case of overflowing text\n.md-ellipsis {\n  overflow: hidden;\n  white-space: nowrap;\n  text-overflow: ellipsis;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: navigational elements\n// ----------------------------------------------------------------------------\n\n// Toggle - this class is applied to checkbox elements, which are used to\n// implement the CSS-only drawer and navigation, as well as the search\n.md-toggle {\n  display: none;\n}\n\n// Option - this class is applied to radio elements, which are used to\n// implement the color palette toggle\n.md-option {\n  position: absolute;\n  width: 0;\n  height: 0;\n  opacity: 0;\n\n  // Option label for checked radio button\n  &:checked + label:not([hidden]) {\n    display: block;\n  }\n\n  // Option label on focus\n  &.focus-visible + label {\n    outline-style: auto;\n  }\n}\n\n// Skip link\n.md-skip {\n  position: fixed;\n  // Hack: if we don't set the negative `z-index`, the skip link will force the\n  // creation of new layers when code blocks are near the header on scrolling\n  z-index: -1;\n  margin: px2rem(10px);\n  padding: px2rem(6px) px2rem(10px);\n  color: var(--md-default-bg-color);\n  font-size: px2rem(12.8px);\n  background-color: var(--md-default-fg-color);\n  border-radius: px2rem(2px);\n  transform: translateY(px2rem(8px));\n  opacity: 0;\n\n  // Show skip link on focus\n  &:focus {\n    z-index: 10;\n    transform: translateY(0);\n    opacity: 1;\n    transition:\n      transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n      opacity   175ms 75ms;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: print styles\n// ----------------------------------------------------------------------------\n\n// Add margins to page\n@page {\n  margin: 25mm;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Announcement bar\n.md-announce {\n  overflow: auto;\n  background-color: var(--md-footer-bg-color);\n\n  // [print]: Hide announcement bar\n  @media print {\n    display: none;\n  }\n\n  // Announcement wrapper\n  &__inner {\n    margin: px2rem(12px) auto;\n    padding: 0 px2rem(16px);\n    color: var(--md-footer-fg-color);\n    font-size: px2rem(14px);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Button to copy to clipboard\n.md-clipboard {\n  position: absolute;\n  top: px2em(8px);\n  right: px2em(8px);\n  z-index: 1;\n  width: px2em(24px);\n  height: px2em(24px);\n  color: var(--md-default-fg-color--lightest);\n  border-radius: px2rem(2px);\n  cursor: pointer;\n  transition: color 250ms;\n\n  // [print]: Hide button\n  @media print {\n    display: none;\n  }\n\n  // Hide outline for pointer devices\n  &:not(.focus-visible) {\n    outline: none;\n    -webkit-tap-highlight-color: transparent;\n  }\n\n  // Darken color on code block hover\n  :hover > & {\n    color: var(--md-default-fg-color--light);\n  }\n\n  // Button on focus/hover\n  &:focus,\n  &:hover {\n    color: var(--md-accent-fg-color);\n  }\n\n  // Button icon - the width and height are defined in `em`, so the size is\n  // automatically adjusted for nested code blocks (e.g. in admonitions)\n  &::after {\n    display: block;\n    width: px2em(18px);\n    height: px2em(18px);\n    margin: 0 auto;\n    background-color: currentColor;\n    mask-image: var(--md-clipboard-icon);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n\n  // Inline button\n  &--inline {\n    cursor: pointer;\n\n    // Code block\n    code {\n      transition:\n        color            250ms,\n        background-color 250ms;\n    }\n\n    // Code block on focus/hover\n    &:focus code,\n    &:hover code {\n      color: var(--md-accent-fg-color);\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Content area\n.md-content {\n  flex-grow: 1;\n  // Hack: we must use `overflow: hidden`, so the content area is capped by\n  // the dimensions of its parent. Otherwise, long code blocks might lead to\n  // a wider content area which will break everything. This, however, induces\n  // margin collapse, which will break scroll margins. Adding a large enough\n  // scroll padding seems to do the trick, at least in Chrome and Firefox.\n  overflow: hidden;\n  scroll-padding-top: px2rem(1024px);\n\n  // Content wrapper\n  &__inner {\n    margin: 0 px2rem(16px) px2rem(24px);\n    padding-top: px2rem(12px);\n\n    // [screen +]: Adjust spacing between content area and sidebars\n    @include break-from-device(screen) {\n\n      // Sidebar with navigation is visible\n      .md-sidebar--primary:not([hidden]) ~ .md-content > & {\n        margin-left: px2rem(24px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2rem(24px);\n          margin-left: px2rem(16px);\n        }\n      }\n\n      // Sidebar with table of contents is visible\n      .md-sidebar--secondary:not([hidden]) ~ .md-content > & {\n        margin-right: px2rem(24px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2rem(16px);\n          margin-left: px2rem(24px);\n        }\n      }\n    }\n\n    // Hack: add pseudo element for spacing, as the overflow of the content\n    // container may not be hidden due to an imminent offset error on targets\n    &::before {\n      display: block;\n      height: px2rem(8px);\n      content: \"\";\n    }\n\n    // Adjust spacing on last child\n    > :last-child {\n      margin-bottom: 0;\n    }\n  }\n\n  // Button inside of the content area - these buttons are meant for actions on\n  // a document-level, i.e. linking to related source code files, printing etc.\n  &__button {\n    float: right;\n    margin: px2rem(8px) 0;\n    margin-left: px2rem(8px);\n    padding: 0;\n\n    // [print]: Hide buttons\n    @media print {\n      display: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      float: left;\n      margin-right: px2rem(8px);\n      margin-left: initial;\n\n      // Flip icon vertically\n      svg {\n        transform: scaleX(-1);\n      }\n    }\n\n    // Adjust default link color for icons\n    .md-typeset & {\n      color: var(--md-default-fg-color--lighter);\n    }\n\n    // Align with body copy located next to icon\n    svg {\n      display: inline;\n      vertical-align: top;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Dialog\n.md-dialog {\n  @include z-depth(2);\n\n  position: fixed;\n  right: px2rem(16px);\n  bottom: px2rem(16px);\n  left: initial;\n  z-index: 2;\n  min-width: px2rem(222px);\n  padding: px2rem(8px) px2rem(12px);\n  background-color: var(--md-default-fg-color);\n  border-radius: px2rem(2px);\n  transform: translateY(100%);\n  opacity: 0;\n  transition:\n    transform 0ms   400ms,\n    opacity   400ms;\n  pointer-events: none;\n\n  // [print]: Hide dialog\n  @media print {\n    display: none;\n  }\n\n  // Adjust for right-to-left languages\n  [dir=\"rtl\"] & {\n    right: initial;\n    left: px2rem(16px);\n  }\n\n  // Dialog in open state\n  &[data-md-state=\"open\"] {\n    transform: translateY(0);\n    opacity: 1;\n    transition:\n      transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1),\n      opacity   400ms;\n    pointer-events: initial;\n  }\n\n  // Dialog wrapper\n  &__inner {\n    color: var(--md-default-bg-color);\n    font-size: px2rem(14px);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Form button\n  .md-button {\n    display: inline-block;\n    padding: px2em(10px) px2em(32px);\n    color: var(--md-primary-fg-color);\n    font-weight: 700;\n    border: px2rem(2px) solid currentColor;\n    border-radius: px2rem(2px);\n    transition:\n      color            125ms,\n      background-color 125ms,\n      border-color     125ms;\n\n    // Primary button\n    &--primary {\n      color: var(--md-primary-bg-color);\n      background-color: var(--md-primary-fg-color);\n      border-color: var(--md-primary-fg-color);\n    }\n\n    // Button on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-bg-color);\n      background-color: var(--md-accent-fg-color);\n      border-color: var(--md-accent-fg-color);\n    }\n  }\n\n  // Form input\n  .md-input {\n    height: px2rem(36px);\n    padding: 0 px2rem(12px);\n    font-size: px2rem(16px);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px)   px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.1);\n    transition: box-shadow 250ms;\n\n    // Input on focus/hover\n    &:focus,\n    &:hover {\n      box-shadow:\n        0 px2rem(8px)   px2rem(20px) hsla(0, 0%, 0%, 0.15),\n        0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.15);\n    }\n\n    // Stretch to full width\n    &--stretch {\n      width: 100%;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Header - by default, the header will be sticky and stay always on top of the\n// viewport. If this behavior is not desired, just set `position: static`.\n.md-header {\n  position: sticky;\n  top: 0;\n  right: 0;\n  left: 0;\n  z-index: 2;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  // Hack: reduce jitter by adding a transparent box shadow of the same size\n  // so the size of the layer doesn't change during animation\n  box-shadow:\n    0 0           px2rem(4px) rgba(0, 0, 0, 0),\n    0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0);\n\n  // [print]: Hide header\n  @media print {\n    display: none;\n  }\n\n  // Header in shadow state, i.e. shadow is visible\n  &[data-md-state=\"shadow\"] {\n    box-shadow:\n      0 0           px2rem(4px) rgba(0, 0, 0, 0.1),\n      0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0.2);\n    transition:\n      transform  250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      box-shadow 250ms;\n  }\n\n  // Header in hidden state, i.e. moved out of sight\n  &[data-md-state=\"hidden\"] {\n    transform: translateY(-100%);\n    transition:\n      transform  250ms cubic-bezier(0.8, 0, 0.6, 1),\n      box-shadow 250ms;\n  }\n\n  // Link or button on focus\n  .focus-visible {\n    outline-color: currentColor;\n  }\n\n  // Header wrapper\n  &__inner {\n    display: flex;\n    align-items: center;\n    padding: 0 px2rem(4px);\n  }\n\n  // Header button\n  &__button {\n    position: relative;\n    z-index: 1;\n    margin: px2rem(4px);\n    padding: px2rem(8px);\n    color: currentColor;\n    vertical-align: middle;\n    cursor: pointer;\n    transition: opacity 250ms;\n\n    // Button on hover\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Header button is visible\n    &:not([hidden]) {\n      display: inline-block;\n    }\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n      -webkit-tap-highlight-color: transparent;\n    }\n\n    // Button with logo, pointing to `config.site_url`\n    &.md-logo {\n      margin: px2rem(4px);\n      padding: px2rem(8px);\n\n      // [tablet -]: Hide button\n      @include break-to-device(tablet) {\n        display: none;\n      }\n\n      // Image or icon\n      img,\n      svg {\n        display: block;\n        width: px2rem(24px);\n        height: px2rem(24px);\n        fill: currentColor;\n      }\n    }\n\n    // Button for search\n    &[for=\"__search\"] {\n\n      // [tablet landscape +]: Hide button\n      @include break-from-device(tablet landscape) {\n        display: none;\n      }\n\n      // [no-js]: Hide button\n      .no-js & {\n        display: none;\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n\n    // Button for drawer\n    &[for=\"__drawer\"] {\n\n      // [screen +]: Hide button\n      @include break-from-device(screen) {\n        display: none;\n      }\n    }\n  }\n\n  // Header topic\n  &__topic {\n    position: absolute;\n    display: flex;\n    max-width: 100%;\n    transition:\n      transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      opacity   150ms;\n\n    // Second header topic - title of the current page\n    & + & {\n      z-index: -1;\n      transform: translateX(px2rem(25px));\n      opacity: 0;\n      transition:\n        transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(px2rem(-25px));\n      }\n    }\n  }\n\n  // Header title\n  &__title {\n    flex-grow: 1;\n    height: px2rem(48px);\n    margin-right: px2rem(8px);\n    margin-left: px2rem(20px);\n    font-size: px2rem(18px);\n    line-height: px2rem(48px);\n\n    // Header title in active state, i.e. page title is visible\n    &[data-md-state=\"active\"] .md-header__topic {\n      z-index: -1;\n      transform: translateX(px2rem(-25px));\n      opacity: 0;\n      transition:\n        transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(px2rem(25px));\n      }\n\n      // Second header topic - title of the current page\n      + .md-header__topic {\n        z-index: 0;\n        transform: translateX(0);\n        opacity: 1;\n        transition:\n          transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n          opacity   150ms;\n        pointer-events: initial;\n      }\n    }\n\n    // Add ellipsis in case of overflowing text\n    > .md-header__ellipsis {\n      position: relative;\n      width: 100%;\n      height: 100%;\n    }\n  }\n\n  // Header option\n  &__option {\n    display: flex;\n    flex-shrink: 0;\n    max-width: 100%;\n    white-space: nowrap;\n    transition:\n      max-width  0ms 250ms,\n      opacity  250ms 250ms;\n\n    // Hide toggle when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n      max-width: 0;\n      opacity: 0;\n      transition:\n        max-width 0ms,\n        opacity   0ms;\n    }\n  }\n\n  // Repository information container\n  &__source {\n    display: none;\n\n    // [tablet landscape +]: Show repository information\n    @include break-from-device(tablet landscape) {\n      display: block;\n      width: px2rem(234px);\n      max-width: px2rem(234px);\n      margin-left: px2rem(20px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(20px);\n        margin-left: initial;\n      }\n    }\n\n    // [screen +]: Adjust spacing of search bar\n    @include break-from-device(screen) {\n      margin-left: px2rem(28px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(28px);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Footer\n.md-footer {\n  color: var(--md-footer-fg-color);\n  background-color: var(--md-footer-bg-color);\n\n  // [print]: Hide footer\n  @media print {\n    display: none;\n  }\n\n  // Footer wrapper\n  &__inner {\n    padding: px2rem(4px);\n    overflow: auto;\n  }\n\n  // Footer link to previous and next page\n  &__link {\n    display: flex;\n    padding-top: px2rem(28px);\n    padding-bottom: px2rem(8px);\n    transition: opacity 250ms;\n\n    // [tablet +]: Adjust width to 50/50\n    @include break-from-device(tablet) {\n      width: 50%;\n    }\n\n    // Footer link on focus/hover\n    &:focus,\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Footer link to previous page\n    &--prev {\n      float: left;\n\n      // [mobile -]: Adjust width to 25/75 and hide title\n      @include break-to-device(mobile) {\n        width: 25%;\n\n        // Hide footer title\n        .md-footer__title {\n          display: none;\n        }\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: right;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n\n    // Footer link to next page\n    &--next {\n      float: right;\n      text-align: right;\n\n      // [mobile -]: Adjust width to 25/75\n      @include break-to-device(mobile) {\n        width: 75%;\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n        text-align: left;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n  }\n\n  // Footer title\n  &__title {\n    position: relative;\n    flex-grow: 1;\n    max-width: calc(100% - #{px2rem(48px)});\n    padding: 0 px2rem(20px);\n    font-size: px2rem(18px);\n    line-height: px2rem(48px);\n  }\n\n  // Footer link button\n  &__button {\n    margin: px2rem(4px);\n    padding: px2rem(8px);\n  }\n\n  // Footer link direction (i.e. prev and next)\n  &__direction {\n    position: absolute;\n    right: 0;\n    left: 0;\n    margin-top: px2rem(-20px);\n    padding: 0 px2rem(20px);\n    font-size: px2rem(12.8px);\n    opacity: 0.7;\n  }\n}\n\n// Footer metadata\n.md-footer-meta {\n  background-color: var(--md-footer-bg-color--dark);\n\n  // Footer metadata wrapper\n  &__inner {\n    display: flex;\n    flex-wrap: wrap;\n    justify-content: space-between;\n    padding: px2rem(4px);\n  }\n\n  // Lighten color for non-hovered text links\n  html &.md-typeset a {\n    color: var(--md-footer-fg-color--light);\n\n    // Text link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-footer-fg-color);\n    }\n  }\n}\n\n// Footer copyright and theme information\n.md-footer-copyright {\n  width: 100%;\n  margin: auto px2rem(12px);\n  padding: px2rem(8px) 0;\n  color: var(--md-footer-fg-color--lighter);\n  font-size: px2rem(12.8px);\n\n  // [tablet portrait +]: Show copyright and social links in one line\n  @include break-from-device(tablet portrait) {\n    width: auto;\n  }\n\n  // Footer copyright highlight - this is the upper part of the copyright and\n  // theme information, which will include a darker color than the theme link\n  &__highlight {\n    color: var(--md-footer-fg-color--light);\n  }\n}\n\n// Footer social links\n.md-footer-social {\n  margin: 0 px2rem(8px);\n  padding: px2rem(4px) 0 px2rem(12px);\n\n  // [tablet portrait +]: Show copyright and social links in one line\n  @include break-from-device(tablet portrait) {\n    padding: px2rem(12px) 0;\n  }\n\n  // Footer social link\n  &__link {\n    display: inline-block;\n    width: px2rem(32px);\n    height: px2rem(32px);\n    text-align: center;\n\n    // Adjust line-height to match height for correct alignment\n    &::before {\n      line-height: 1.9;\n    }\n\n    // Fill icon with current color\n    svg {\n      max-height: px2rem(16px);\n      vertical-align: -25%;\n      fill: currentColor;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n  --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n  --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Navigation\n.md-nav {\n  font-size: px2rem(14px);\n  line-height: 1.3;\n\n  // Navigation title\n  &__title {\n    display: block;\n    padding: 0 px2rem(12px);\n    overflow: hidden;\n    font-weight: 700;\n    text-overflow: ellipsis;\n\n    // Navigaton button\n    .md-nav__button {\n      display: none;\n\n      // Stretch images based on height, as it's the smaller dimension\n      img {\n        width: auto;\n        height: 100%;\n      }\n\n      // Button with logo, pointing to `config.site_url`\n      &.md-logo {\n\n        // Image or icon\n        img,\n        svg {\n          display: block;\n          width: px2rem(48px);\n          height: px2rem(48px);\n          fill: currentColor;\n        }\n      }\n    }\n  }\n\n  // Navigation list\n  &__list {\n    margin: 0;\n    padding: 0;\n    list-style: none;\n  }\n\n  // Navigation item\n  &__item {\n    padding: 0 px2rem(12px);\n\n    // Navigation item on level 2\n    & & {\n      padding-right: 0;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(12px);\n        padding-left: 0;\n      }\n    }\n  }\n\n  // Navigation link\n  &__link {\n    display: block;\n    margin-top: 0.625em;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    cursor: pointer;\n    transition: color 125ms;\n    scroll-snap-align: start;\n\n    // Link in blurred state\n    &[data-md-state=\"blur\"] {\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Active link\n    .md-nav__item &--active {\n      color: var(--md-typeset-a-color);\n    }\n\n    // Navigation link in nested list\n    .md-nav__item--nested > & {\n      color: inherit;\n    }\n\n    // Navigation link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n\n    // Navigation link to table of contents\n    .md-nav--primary &[for=\"__toc\"] {\n      display: none;\n\n      // Table of contents icon\n      .md-icon::after {\n        display: block;\n        width: 100%;\n        height: 100%;\n        mask-image: var(--md-toc-icon);\n        background-color: currentColor;\n      }\n\n      // Hide table of contents\n      ~ .md-nav {\n        display: none;\n      }\n    }\n  }\n\n  // Repository information container\n  &__source {\n    display: none;\n  }\n\n  // [tablet -]: Layered navigation\n  @include break-to-device(tablet) {\n\n    // Primary and nested navigation\n    &--primary,\n    &--primary & {\n      position: absolute;\n      top: 0;\n      right: 0;\n      left: 0;\n      z-index: 1;\n      display: flex;\n      flex-direction: column;\n      height: 100%;\n      background-color: var(--md-default-bg-color);\n    }\n\n    // Primary navigation\n    &--primary {\n\n      // Navigation title and item\n      .md-nav__title,\n      .md-nav__item {\n        font-size: px2rem(16px);\n        line-height: 1.5;\n      }\n\n      // Navigation title\n      .md-nav__title {\n        position: relative;\n        height: px2rem(112px);\n        padding: px2rem(60px) px2rem(16px) px2rem(4px);\n        color: var(--md-default-fg-color--light);\n        font-weight: 400;\n        line-height: px2rem(48px);\n        white-space: nowrap;\n        background-color: var(--md-default-fg-color--lightest);\n        cursor: pointer;\n\n        // Navigation icon\n        .md-nav__icon {\n          position: absolute;\n          top: px2rem(8px);\n          left: px2rem(8px);\n          display: block;\n          width: px2rem(24px);\n          height: px2rem(24px);\n          margin: px2rem(4px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: px2rem(8px);\n            left: initial;\n          }\n\n          // Navigation icon in link to previous level\n          &::after {\n            display: block;\n            width: 100%;\n            height: 100%;\n            background-color: currentColor;\n            mask-image: var(--md-nav-icon--prev);\n            mask-repeat: no-repeat;\n            mask-size: contain;\n            content: \"\";\n          }\n        }\n\n        // Navigation list\n        ~ .md-nav__list {\n          overflow-y: auto;\n          background-color: var(--md-default-bg-color);\n          box-shadow:\n            0 px2rem(1px) 0 var(--md-default-fg-color--lightest) inset;\n          scroll-snap-type: y mandatory;\n          touch-action: pan-y;\n\n          // Omit border on first child\n          > :first-child {\n            border-top: 0;\n          }\n        }\n\n        // Top-level navigation title\n        &[for=\"__drawer\"] {\n          color: var(--md-primary-bg-color);\n          background-color: var(--md-primary-fg-color);\n        }\n\n        // Button with logo, pointing to `config.site_url`\n        .md-logo {\n          position: absolute;\n          top: px2rem(4px);\n          left: px2rem(4px);\n          display: block;\n          margin: px2rem(4px);\n          padding: px2rem(8px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: px2rem(4px);\n            left: initial;\n          }\n        }\n      }\n\n      // Navigation list\n      .md-nav__list {\n        flex: 1;\n      }\n\n      // Navigation item\n      .md-nav__item {\n        padding: 0;\n        border-top: px2rem(1px) solid var(--md-default-fg-color--lightest);\n\n        // Navigation link in nested navigation\n        &--nested > .md-nav__link {\n          padding-right: px2rem(48px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            padding-right: px2rem(16px);\n            padding-left: px2rem(48px);\n          }\n        }\n\n        // Navigation link in active navigation\n        &--active > .md-nav__link {\n          color: var(--md-typeset-a-color);\n\n          // Navigation link on focus/hover\n          &:focus,\n          &:hover {\n            color: var(--md-accent-fg-color);\n          }\n        }\n      }\n\n      // Navigation link\n      .md-nav__link {\n        position: relative;\n        margin-top: 0;\n        padding: px2rem(12px) px2rem(16px);\n\n        // Navigation icon\n        .md-nav__icon {\n          position: absolute;\n          top: 50%;\n          right: px2rem(12px);\n          width: px2rem(24px);\n          height: px2rem(24px);\n          margin-top: px2rem(-12px);\n          color: inherit;\n          font-size: px2rem(24px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: initial;\n            left: px2rem(12px);\n          }\n\n          // Navigation icon in link to next level\n          &::after {\n            display: block;\n            width: 100%;\n            height: 100%;\n            background-color: currentColor;\n            mask-image: var(--md-nav-icon--next);\n            mask-repeat: no-repeat;\n            mask-size: contain;\n            content: \"\";\n          }\n        }\n      }\n\n      // Flip icon vertically\n      .md-nav__icon {\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] &::after {\n          transform: scale(-1);\n        }\n      }\n\n      // Table of contents contained in primary navigation\n      .md-nav--secondary {\n\n        // Navigation link - omit unnecessary layering\n        .md-nav__link {\n          position: static;\n        }\n\n        // Navigation on level 2-6\n        .md-nav {\n          position: static;\n          background-color: transparent;\n\n          // Navigation link on level 3\n          .md-nav__link {\n            padding-left: px2rem(28px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(28px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 4\n          .md-nav .md-nav__link {\n            padding-left: px2rem(40px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(40px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 5\n          .md-nav .md-nav .md-nav__link {\n            padding-left: px2rem(52px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(52px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 6\n          .md-nav .md-nav .md-nav .md-nav__link {\n            padding-left: px2rem(64px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(64px);\n              padding-left: initial;\n            }\n          }\n        }\n      }\n    }\n\n    // Table of contents\n    &--secondary {\n      background-color: transparent;\n    }\n\n    // Toggle for nested navigation\n    &__toggle ~ & {\n      display: flex;\n      transform: translateX(100%);\n      opacity: 0;\n      transition:\n        transform 250ms cubic-bezier(0.8, 0, 0.6, 1),\n        opacity   125ms 50ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(-100%);\n      }\n    }\n\n    // Show nested navigation when toggle is active\n    &__toggle:checked ~ & {\n      transform: translateX(0);\n      opacity: 1;\n      transition:\n        transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n        opacity   125ms 125ms;\n\n      // Navigation list\n      > .md-nav__list {\n        // Hack: promote to own layer to reduce jitter\n        backface-visibility: hidden;\n      }\n    }\n  }\n\n  // [tablet portrait -]: Layered navigation with table of contents\n  @include break-to-device(tablet portrait) {\n\n    // Show link to table of contents\n    &--primary &__link[for=\"__toc\"] {\n      display: block;\n      padding-right: px2rem(48px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(16px);\n        padding-left: px2rem(48px);\n      }\n\n      // Show table of contents icon\n      .md-icon::after {\n        content: \"\";\n      }\n\n      // Hide navigation link to current page\n      + .md-nav__link {\n        display: none;\n      }\n\n      // Show table of contents\n      ~ .md-nav {\n        display: flex;\n      }\n    }\n\n    // Repository information container\n    &__source {\n      display: block;\n      padding: 0 px2rem(4px);\n      color: var(--md-primary-bg-color);\n      background-color: var(--md-primary-fg-color--dark);\n    }\n  }\n\n  // [tablet landscape]: Layered navigation with table of contents\n  @include break-at-device(tablet landscape) {\n\n    // Show link to integrated table of contents\n    &--integrated &__link[for=\"__toc\"] {\n      display: block;\n      padding-right: px2rem(48px);\n      scroll-snap-align: initial;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(16px);\n        padding-left: px2rem(48px);\n      }\n\n      // Show table of contents icon\n      .md-icon::after {\n        content: \"\";\n      }\n\n      // Hide navigation link to current page\n      + .md-nav__link {\n        display: none;\n      }\n\n      // Show table of contents\n      ~ .md-nav {\n        display: flex;\n      }\n    }\n  }\n\n  // [tablet landscape +]: Tree-like table of contents\n  @include break-from-device(tablet landscape) {\n\n    // Navigation title\n    &--secondary &__title {\n\n      // Adjust snapping behavior\n      &[for=\"__toc\"] {\n        scroll-snap-align: start;\n      }\n\n      // Hide navigation icon\n      .md-nav__icon {\n        display: none;\n      }\n    }\n  }\n\n  // [screen +]: Tree-like navigation\n  @include break-from-device(screen) {\n    transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n\n    // Navigation title\n    &--primary &__title {\n\n      // Adjust snapping behavior\n      &[for=\"__drawer\"] {\n        scroll-snap-align: start;\n      }\n\n      // Hide navigation icon\n      .md-nav__icon {\n        display: none;\n      }\n    }\n\n    // Hide toggle for nested navigation\n    &__toggle ~ & {\n      display: none;\n    }\n\n    // Show nested navigation when toggle is active or indeterminate\n    &__toggle:checked ~ &,\n    &__toggle:indeterminate ~ & {\n      display: block;\n    }\n\n    // Hide navigation title in nested navigation\n    &__item--nested > & > &__title {\n      display: none;\n    }\n\n    // Navigation section\n    &__item--section {\n      display: block;\n      margin: 1.25em 0;\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n\n      // Hide navigation link, as sections are always expanded\n      > .md-nav__link {\n        display: none;\n      }\n\n      // Navigation\n      > .md-nav {\n        display: block;\n\n        // Navigation title\n        > .md-nav__title {\n          display: block;\n          padding: 0;\n          pointer-events: none;\n          scroll-snap-align: start;\n        }\n\n        // Adjust spacing on next level item\n        > .md-nav__list > .md-nav__item {\n          padding: 0;\n        }\n      }\n    }\n\n    // Navigation icon\n    &__icon {\n      float: right;\n      width: px2rem(18px);\n      height: px2rem(18px);\n      transition: transform 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n        transform: rotate(180deg);\n      }\n\n      // Navigation icon content\n      &::after {\n        display: inline-block;\n        width: 100%;\n        height: 100%;\n        vertical-align: px2rem(-2px);\n        background-color: currentColor;\n        mask-image: var(--md-nav-icon--next);\n        mask-repeat: no-repeat;\n        mask-size: contain;\n        content: \"\";\n      }\n\n      // Navigation icon - rotate icon when toggle is active or indeterminate\n      .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link &,\n      .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link & {\n        transform: rotate(90deg);\n      }\n    }\n\n    // Modifier for when navigation tabs are rendered\n    &--lifted {\n\n      // Hide nested items on level 1 and site title\n      > .md-nav__list > .md-nav__item--nested,\n      > .md-nav__title {\n        display: none;\n      }\n\n      // Hide level 1 items\n      > .md-nav__list > .md-nav__item {\n        display: none;\n\n        // Active parent navigation item\n        &--active {\n          display: block;\n          padding: 0;\n\n          // Hide nested links\n          > .md-nav__link {\n            display: none;\n          }\n\n          // Show title and adjust spacing\n          > .md-nav > .md-nav__title {\n            display: block;\n            padding: 0 px2rem(12px);\n            pointer-events: none;\n            scroll-snap-align: start;\n          }\n        }\n\n        // Adjust spacing for navigation item on level 2\n        > .md-nav__item {\n          padding-right: px2rem(12px);\n        }\n      }\n\n      // Hack: Always show active navigation tab on breakpoint screen, despite\n      // of checkbox being checked or not. Fixes #1655.\n      .md-nav[data-md-level=\"1\"] {\n        display: block;\n      }\n    }\n\n    // Modifier for when table of contents is rendered in primary navigation\n    &--integrated &__link[for=\"__toc\"] ~ .md-nav {\n      display: block;\n      margin-bottom: 1.25em;\n      border-left: px2rem(1px) solid var(--md-primary-fg-color);\n\n      // Hide navigation title\n      > .md-nav__title {\n        display: none;\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Search\n.md-search {\n  position: relative;\n\n  // [tablet landscape +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n    padding: px2rem(4px) 0;\n  }\n\n  // [no-js]: Hide search\n  .no-js & {\n    display: none;\n  }\n\n  // Search overlay\n  &__overlay {\n    z-index: 1;\n    opacity: 0;\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      position: absolute;\n      top: px2rem(4px);\n      left: px2rem(-44px);\n      width: px2rem(40px);\n      height: px2rem(40px);\n      overflow: hidden;\n      background-color: var(--md-default-bg-color);\n      border-radius: px2rem(20px);\n      transform-origin: center;\n      transition:\n        transform 300ms 100ms,\n        opacity   200ms 200ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(-44px);\n        left: initial;\n      }\n\n      // Show overlay when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        opacity: 1;\n        transition:\n          transform 400ms,\n          opacity   100ms;\n      }\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      position: fixed;\n      top: 0;\n      left: 0;\n      width: 0;\n      height: 0;\n      background-color: hsla(0, 0%, 0%, 0.54);\n      cursor: pointer;\n      transition:\n        width     0ms 250ms,\n        height    0ms 250ms,\n        opacity 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: 0;\n        left: initial;\n      }\n\n      // Show overlay when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        width: 100%;\n        // Hack: when the header is translated upon scrolling, a new layer is\n        // induced, which means that the height will now refer to the height of\n        // the header, albeit positioning is fixed. This should be mitigated\n        // in all cases when setting the height to 2x the viewport.\n        height: 200vh;\n        opacity: 1;\n        transition:\n          width     0ms,\n          height    0ms,\n          opacity 250ms;\n      }\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n      // [mobile portrait -]: Scale up 45 times\n      @include break-to-device(mobile portrait) {\n        transform: scale(45);\n      }\n\n      // [mobile landscape]: Scale up 60 times\n      @include break-at-device(mobile landscape) {\n        transform: scale(60);\n      }\n\n      // [tablet portrait]: Scale up 75 times\n      @include break-at-device(tablet portrait) {\n        transform: scale(75);\n      }\n    }\n  }\n\n  // Search wrapper\n  &__inner {\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      position: fixed;\n      top: 0;\n      left: 100%;\n      z-index: 2;\n      width: 100%;\n      height: 100%;\n      transform: translateX(5%);\n      opacity: 0;\n      transition:\n        right       0ms 300ms,\n        left        0ms 300ms,\n        transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1),\n        opacity   150ms 150ms;\n\n      // Adjust appearance when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        left: 0;\n        transform: translateX(0);\n        opacity: 1;\n        transition:\n          right       0ms   0ms,\n          left        0ms   0ms,\n          transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n          opacity   150ms 150ms;\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: 0;\n          left: initial;\n        }\n      }\n\n      // Adjust for right-to-left languages\n      html [dir=\"rtl\"] & {\n        right: 100%;\n        left: initial;\n        transform: translateX(-5%);\n      }\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      position: relative;\n      float: right;\n      width: px2rem(234px);\n      padding: px2rem(2px) 0;\n      transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n      }\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n      // [tablet landscape]: Omit overlaying header title\n      @include break-at-device(tablet landscape) {\n        width: px2rem(468px);\n      }\n\n      // [screen +]: Match width of content area\n      @include break-from-device(screen) {\n        width: px2rem(688px);\n      }\n    }\n  }\n\n  // Search form\n  &__form {\n    position: relative;\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      border-radius: px2rem(2px);\n    }\n  }\n\n  // Search input\n  &__input {\n    position: relative;\n    z-index: 2;\n    padding: 0 px2rem(44px) 0 px2rem(72px);\n    text-overflow: ellipsis;\n    background-color: var(--md-default-bg-color);\n    box-shadow: 0 0 px2rem(12px) transparent;\n    transition:\n      color            250ms,\n      background-color 250ms,\n      box-shadow       250ms;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding: 0 px2rem(72px) 0 px2rem(44px);\n    }\n\n    // Search placeholder\n    &::placeholder {\n      transition: color 250ms;\n    }\n\n    // Search icon and placeholder\n    ~ .md-search__icon,\n    &::placeholder {\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Remove the \"x\" rendered by Internet Explorer\n    &::-ms-clear {\n      display: none;\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n      box-shadow: 0 0 px2rem(12px) hsla(0, 0%, 0%, 0.07);\n    }\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      width: 100%;\n      height: px2rem(48px);\n      font-size: px2rem(18px);\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      width: 100%;\n      height: px2rem(36px);\n      padding-left: px2rem(44px);\n      color: inherit;\n      font-size: px2rem(16px);\n      background-color: hsla(0, 0%, 0%, 0.26);\n      border-radius: px2rem(2px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n      }\n\n      // Search icon\n      + .md-search__icon {\n        color: var(--md-primary-bg-color);\n      }\n\n      // Search placeholder\n      &::placeholder {\n        color: var(--md-primary-bg-color--light);\n      }\n\n      // Search input on hover\n      &:hover {\n        background-color: hsla(0, 0%, 100%, 0.12);\n      }\n\n      // Adjust appearance when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        color: var(--md-default-fg-color);\n        text-overflow: clip;\n        background-color: var(--md-default-bg-color);\n        border-radius: px2rem(2px) px2rem(2px) 0 0;\n\n        // Search icon and placeholder\n        + .md-search__icon,\n        &::placeholder {\n          color: var(--md-default-fg-color--light);\n        }\n      }\n    }\n  }\n\n  // Search icon\n  &__icon {\n    position: absolute;\n    z-index: 2;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    cursor: pointer;\n    transition:\n      color   250ms,\n      opacity 250ms;\n\n    // Search icon on hover\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Search focus button\n    &[for=\"__search\"] {\n      top: px2rem(6px);\n      left: px2rem(10px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(10px);\n        left: initial;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n\n      // [tablet portrait -]: Search modal\n      @include break-to-device(tablet portrait) {\n        top: px2rem(12px);\n        left: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: px2rem(16px);\n          left: initial;\n        }\n\n        // Hide the magnifying glass\n        svg:first-child {\n          display: none;\n        }\n      }\n\n      // [tablet landscape +]: Header-embedded search\n      @include break-from-device(tablet landscape) {\n        pointer-events: none;\n\n        // Hide the back arrow\n        svg:last-child {\n          display: none;\n        }\n      }\n    }\n\n    // Search reset button\n    &[type=\"reset\"] {\n      top: px2rem(6px);\n      right: px2rem(10px);\n      transform: scale(0.75);\n      opacity: 0;\n      transition:\n        transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: initial;\n        left: px2rem(10px);\n      }\n\n      // [tablet portrait -]: Search modal\n      @include break-to-device(tablet portrait) {\n        top: px2rem(12px);\n        right: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: initial;\n          left: px2rem(16px);\n        }\n      }\n\n      // Show reset button when search is active and input non-empty\n      [data-md-toggle=\"search\"]:checked ~ .md-header\n      .md-search__input:valid ~ & {\n        transform: scale(1);\n        opacity: 1;\n        pointer-events: initial;\n\n        // Search focus icon\n        &:hover {\n          opacity: 0.7;\n        }\n      }\n    }\n  }\n\n  // Search output\n  &__output {\n    position: absolute;\n    z-index: 1;\n    width: 100%;\n    overflow: hidden;\n    border-radius: 0 0 px2rem(2px) px2rem(2px);\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      top: px2rem(48px);\n      bottom: 0;\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      top: px2rem(38px);\n      opacity: 0;\n      transition: opacity 400ms;\n\n      // Show output when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        @include z-depth(6);\n\n        opacity: 1;\n      }\n    }\n  }\n\n  // Search scroll wrapper\n  &__scrollwrap {\n    height: 100%;\n    overflow-y: auto;\n    background-color: var(--md-default-bg-color);\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n    // Hack: Chrome 88+ has weird overscroll behavior. Overall, scroll snapping\n    // seems to be something that is not ready for prime time on some browsers.\n    // scroll-snap-type: y mandatory;\n    touch-action: pan-y;\n\n    // Mitigiate excessive repaints on non-retina devices\n    @media (max-resolution: 1dppx) {\n      transform: translateZ(0);\n    }\n\n    // [tablet landscape]: Set fixed width to omit unnecessary reflow\n    @include break-at-device(tablet landscape) {\n      width: px2rem(468px);\n    }\n\n    // [screen +]: Set fixed width to omit unnecessary reflow\n    @include break-from-device(screen) {\n      width: px2rem(688px);\n    }\n\n    // [tablet landscape +]: Limit height to viewport\n    @include break-from-device(tablet landscape) {\n      max-height: 0;\n      scrollbar-width: thin;\n      scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n      // Show scroll wrapper when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        max-height: 75vh;\n      }\n\n      // Search scroll wrapper on hover\n      &:hover {\n        scrollbar-color: var(--md-accent-fg-color) transparent;\n      }\n\n      // Webkit scrollbar\n      &::-webkit-scrollbar {\n        width: px2rem(4px);\n        height: px2rem(4px);\n      }\n\n      // Webkit scrollbar thumb\n      &::-webkit-scrollbar-thumb {\n        background-color: var(--md-default-fg-color--lighter);\n\n        // Webkit scrollbar thumb on hover\n        &:hover {\n          background-color: var(--md-accent-fg-color);\n        }\n      }\n    }\n  }\n}\n\n// Search result\n.md-search-result {\n  color: var(--md-default-fg-color);\n  word-break: break-word;\n\n  // Search result metadata\n  &__meta {\n    padding: 0 px2rem(16px);\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n    line-height: px2rem(36px);\n    background-color: var(--md-default-fg-color--lightest);\n    scroll-snap-align: start;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: initial;\n      }\n    }\n  }\n\n  // Search result list\n  &__list {\n    margin: 0;\n    padding: 0;\n    list-style: none;\n  }\n\n  // Search result item\n  &__item {\n    box-shadow: 0 px2rem(-1px) 0 var(--md-default-fg-color--lightest);\n\n    // Omit border on first child\n    &:first-child {\n      box-shadow: none;\n    }\n  }\n\n  // Search result link\n  &__link {\n    display: block;\n    outline: none;\n    transition: background-color 250ms;\n    scroll-snap-align: start;\n\n    // Search result link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n\n    // Adjust spacing on last child of last link\n    &:last-child p:last-child {\n      margin-bottom: px2rem(12px);\n    }\n  }\n\n  // Search result more link\n  &__more summary {\n    display: block;\n    padding: px2em(12px) px2rem(16px);\n    color: var(--md-typeset-a-color);\n    font-size: px2rem(12.8px);\n    outline: 0;\n    cursor: pointer;\n    transition:\n      color            250ms,\n      background-color 250ms;\n    scroll-snap-align: start;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: px2rem(16px);\n      }\n    }\n\n    // Search result more link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n\n    // Hide native details marker\n    &::marker,\n    &::-webkit-details-marker {\n      display: none;\n    }\n\n    // Adjust transparency of less relevant results\n    ~ * > * {\n      opacity: 0.65;\n    }\n  }\n\n  // Search result article\n  &__article {\n    position: relative;\n    padding: 0 px2rem(16px);\n    overflow: hidden;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: px2rem(16px);\n      }\n    }\n\n    // Search result article document\n    &--document {\n\n      // Search result title\n      .md-search-result__title {\n        margin: px2rem(11px) 0;\n        font-weight: 400;\n        font-size: px2rem(16px);\n        line-height: 1.4;\n      }\n    }\n  }\n\n  // Search result icon\n  &__icon {\n    position: absolute;\n    left: 0;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    margin: px2rem(10px);\n    color: var(--md-default-fg-color--light);\n\n    // [tablet portrait -]: Hide icon\n    @include break-to-device(tablet portrait) {\n      display: none;\n    }\n\n    // Search result icon content\n    &::after {\n      display: inline-block;\n      width: 100%;\n      height: 100%;\n      background-color: currentColor;\n      mask-image: var(--md-search-result-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      right: 0;\n      left: initial;\n\n      // Flip icon vertically\n      &::after {\n        transform: scaleX(-1);\n      }\n    }\n  }\n\n  // Search result title\n  &__title {\n    margin: 0.5em 0;\n    font-weight: 700;\n    font-size: px2rem(12.8px);\n    line-height: 1.6;\n  }\n\n  // Search result teaser\n  &__teaser {\n    display: -webkit-box;\n    max-height: px2rem(40px);\n    margin: 0.5em 0;\n    overflow: hidden;\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n    line-height: 1.6;\n    text-overflow: ellipsis;\n    -webkit-box-orient: vertical;\n    -webkit-line-clamp: 2;\n\n    // [mobile -]: Adjust number of lines\n    @include break-to-device(mobile) {\n      max-height: px2rem(60px);\n      -webkit-line-clamp: 3;\n    }\n\n    // [tablet landscape]: Adjust number of lines\n    @include break-at-device(tablet landscape) {\n      max-height: px2rem(60px);\n      -webkit-line-clamp: 3;\n    }\n\n    // Search term highlighting\n    mark {\n      text-decoration: underline;\n      background-color: transparent;\n    }\n  }\n\n  // Search result terms\n  &__terms {\n    margin: 0.5em 0;\n    font-size: px2rem(12.8px);\n    font-style: italic;\n  }\n\n  // Search term highlighting\n  mark {\n    color: var(--md-accent-fg-color);\n    background-color: transparent;\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Selection\n.md-select {\n  position: relative;\n  z-index: 1;\n\n  // Selection bubble\n  &__inner {\n    position: absolute;\n    top: calc(100% - #{px2rem(4px)});\n    left: 50%;\n    max-height: 0;\n    margin-top: px2rem(4px);\n    color: var(--md-default-fg-color);\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.25);\n    transform: translate3d(-50%, px2rem(6px), 0);\n    opacity: 0;\n    transition:\n      transform  250ms 375ms,\n      opacity    250ms 250ms,\n      max-height   0ms 500ms;\n\n    // Selection bubble on parent focus/hover\n    .md-select:focus-within &,\n    .md-select:hover & {\n      max-height: px2rem(200px);\n      transform: translate3d(-50%, 0, 0);\n      opacity: 1;\n      transition:\n        transform  250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n        opacity    250ms,\n        max-height 250ms;\n    }\n\n    // Selection bubble handle\n    &::after {\n      position: absolute;\n      top: 0;\n      left: 50%;\n      width: 0;\n      height: 0;\n      margin-top: px2rem(-4px);\n      margin-left: px2rem(-4px);\n      border: px2rem(4px) solid transparent;\n      border-top: 0;\n      border-bottom-color: var(--md-default-bg-color);\n      content: \"\";\n    }\n  }\n\n  // Selection list\n  &__list {\n    max-height: inherit;\n    margin: 0;\n    padding: 0;\n    overflow: auto;\n    font-size: px2rem(16px);\n    list-style-type: none;\n    border-radius: px2rem(2px);\n  }\n\n  // Selection item\n  &__item {\n    line-height: px2rem(36px);\n  }\n\n  // Selection link\n  &__link {\n    display: block;\n    width: 100%;\n    padding-right: px2rem(24px);\n    padding-left: px2rem(12px);\n    cursor: pointer;\n    transition:\n      background-color 250ms,\n      color            250ms;\n    scroll-snap-align: start;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: px2rem(24px);\n    }\n\n    // Link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-default-fg-color--lightest);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Sidebar\n.md-sidebar {\n  position: sticky;\n  top: px2rem(48px);\n  flex-shrink: 0;\n  align-self: flex-start;\n  width: px2rem(242px);\n  padding: px2rem(24px) 0;\n\n  // [print]: Hide sidebar\n  @media print {\n    display: none;\n  }\n\n  // [tablet -]: Show navigation as drawer\n  @include break-to-device(tablet) {\n\n    // Primary sidebar with navigation\n    &--primary {\n      position: fixed;\n      top: 0;\n      left: px2rem(-242px);\n      z-index: 3;\n      display: block;\n      width: px2rem(242px);\n      height: 100%;\n      background-color: var(--md-default-bg-color);\n      transform: translateX(0);\n      transition:\n        transform  250ms cubic-bezier(0.4, 0, 0.2, 1),\n        box-shadow 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(-242px);\n        left: initial;\n      }\n\n      // Show sidebar when drawer is active\n      [data-md-toggle=\"drawer\"]:checked ~ .md-container & {\n        @include z-depth(8);\n\n        transform: translateX(px2rem(242px));\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          transform: translateX(px2rem(-242px));\n        }\n      }\n\n      // Stretch scroll wrapper for primary sidebar\n      .md-sidebar__scrollwrap {\n        position: absolute;\n        top: 0;\n        right: 0;\n        bottom: 0;\n        left: 0;\n        margin: 0;\n        scroll-snap-type: none;\n        overflow: hidden;\n      }\n    }\n  }\n\n  // [screen +]: Show navigation as sidebar\n  @include break-from-device(screen) {\n    height: 0;\n\n    // [no-js]: Switch to native sticky behavior\n    .no-js & {\n      height: auto;\n    }\n  }\n\n  // Secondary sidebar with table of contents\n  &--secondary {\n    display: none;\n    order: 2;\n\n    // [tablet landscape +]: Show table of contents as sidebar\n    @include break-from-device(tablet landscape) {\n      height: 0;\n\n      // [no-js]: Switch to native sticky behavior\n      .no-js & {\n        height: auto;\n      }\n\n      // Sidebar is visible\n      &:not([hidden]) {\n        display: block;\n      }\n\n      // Ensure smooth scrolling on iOS\n      .md-sidebar__scrollwrap {\n        touch-action: pan-y;\n      }\n    }\n  }\n\n  // Sidebar scroll wrapper\n  &__scrollwrap {\n    margin: 0 px2rem(4px);\n    overflow-y: auto;\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n    // Hack: Chrome 81+ exhibits a strange bug, where it scrolls the container\n    // to the bottom if `scroll-snap-type` is set on the initial render. For\n    // this reason, we disable scroll snapping until this is resolved (#1667).\n    // scroll-snap-type: y mandatory;\n    scrollbar-width: thin;\n    scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n    // Sidebar scroll wrapper on hover\n    &:hover {\n      scrollbar-color: var(--md-accent-fg-color) transparent;\n    }\n\n    // Webkit scrollbar\n    &::-webkit-scrollbar {\n      width: px2rem(4px);\n      height: px2rem(4px);\n    }\n\n    // Webkit scrollbar thumb\n    &::-webkit-scrollbar-thumb {\n      background-color: var(--md-default-fg-color--lighter);\n\n      // Webkit scrollbar thumb on hover\n      &:hover {\n        background-color: var(--md-accent-fg-color);\n      }\n    }\n  }\n}\n\n// [tablet -]: Show overlay on active drawer\n@include break-to-device(tablet) {\n\n  // Sidebar overlay\n  .md-overlay {\n    position: fixed;\n    top: 0;\n    z-index: 3;\n    width: 0;\n    height: 0;\n    background-color: hsla(0, 0%, 0%, 0.54);\n    opacity: 0;\n    transition:\n      width     0ms 250ms,\n      height    0ms 250ms,\n      opacity 250ms;\n\n    // Show overlay when drawer is active\n    [data-md-toggle=\"drawer\"]:checked ~ & {\n      width: 100%;\n      height: 100%;\n      opacity: 1;\n      transition:\n        width     0ms,\n        height    0ms,\n        opacity 250ms;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Keyframes\n// ----------------------------------------------------------------------------\n\n// Show repository facts\n@keyframes md-source__facts--done {\n  0% {\n    height: 0;\n  }\n\n  100% {\n    height: px2rem(13px);\n  }\n}\n\n// Show repository fact\n@keyframes md-source__fact--done {\n  0% {\n    transform: translateY(100%);\n    opacity: 0;\n  }\n\n  50% {\n    opacity: 0;\n  }\n\n  100% {\n    transform: translateY(0%);\n    opacity: 1;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-source-forks-icon: svg-load(\"octicons/repo-forked-16.svg\");\n  --md-source-repositories-icon: svg-load(\"octicons/repo-16.svg\");\n  --md-source-stars-icon: svg-load(\"octicons/star-16.svg\");\n  --md-source-version-icon: svg-load(\"octicons/tag-16.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Repository information\n.md-source {\n  display: block;\n  font-size: px2rem(13px);\n  line-height: 1.2;\n  white-space: nowrap;\n  // Hack: promote to own layer to reduce jitter\n  backface-visibility: hidden;\n  transition: opacity 250ms;\n\n  // Repository information on hover\n  &:hover {\n    opacity: 0.7;\n  }\n\n  // Repository icon\n  &__icon {\n    display: inline-block;\n    width: px2rem(40px);\n    height: px2rem(48px);\n    vertical-align: middle;\n\n    // Align with margin only (as opposed to normal button alignment)\n    svg {\n      margin-top: px2rem(12px);\n      margin-left: px2rem(12px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(12px);\n        margin-left: initial;\n      }\n    }\n\n    // Adjust spacing if icon is present\n    + .md-source__repository {\n      margin-left: px2rem(-40px);\n      padding-left: px2rem(40px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(-40px);\n        margin-left: initial;\n        padding-right: px2rem(40px);\n        padding-left: initial;\n      }\n    }\n  }\n\n  // Repository name\n  &__repository {\n    display: inline-block;\n    max-width: calc(100% - #{px2rem(24px)});\n    margin-left: px2rem(12px);\n    overflow: hidden;\n    text-overflow: ellipsis;\n    vertical-align: middle;\n  }\n\n  // Repository facts\n  &__facts {\n    margin: px2rem(2px) 0 0;\n    padding: 0;\n    overflow: hidden;\n    font-size: px2rem(11px);\n    list-style-type: none;\n    opacity: 0.75;\n\n    // Show after the data was loaded\n    [data-md-state=\"done\"] & {\n      animation: md-source__facts--done 250ms ease-in;\n    }\n  }\n\n  // Repository fact\n  &__fact {\n    display: inline-block;\n\n    // Show after the data was loaded\n    [data-md-state=\"done\"] & {\n      animation: md-source__fact--done 400ms ease-out;\n    }\n\n    // Repository fact icon\n    &::before {\n      display: inline-block;\n      width: px2rem(12px);\n      height: px2rem(12px);\n      margin-right: px2rem(2px);\n      vertical-align: text-top;\n      background-color: currentColor;\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n    }\n\n    // Adjust spacing for repository fact icon\n    &:nth-child(1n+2)::before {\n      margin-left: px2rem(8px);\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: initial;\n      margin-left: px2rem(2px);\n\n      // Adjust spacing for repository fact icon\n      &:nth-child(1n+2)::before {\n        margin-right: px2rem(8px);\n        margin-left: initial;\n      }\n    }\n\n    // Repository fact: version\n    &--version::before {\n      mask-image: var(--md-source-version-icon);\n    }\n\n    // Repository fact: stars\n    &--stars::before {\n      mask-image: var(--md-source-stars-icon);\n    }\n\n    // Repository fact: forks\n    &--forks::before {\n      mask-image: var(--md-source-forks-icon);\n    }\n\n    // Repository fact: repositories\n    &--repositories::before {\n      mask-image: var(--md-source-repositories-icon);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Navigation tabs\n.md-tabs {\n  width: 100%;\n  overflow: auto;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n\n  // [print]: Hide tabs\n  @media print {\n    display: none;\n  }\n\n  // [tablet -]: Hide tabs\n  @include break-to-device(tablet) {\n    display: none;\n  }\n\n  // Tabs in hidden state, i.e. when scrolling down\n  &[data-md-state=\"hidden\"] {\n    pointer-events: none;\n  }\n\n  // Navigation tabs list\n  &__list {\n    margin: 0;\n    margin-left: px2rem(4px);\n    padding: 0;\n    white-space: nowrap;\n    list-style: none;\n    contain: content;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(4px);\n      margin-left: initial;\n    }\n  }\n\n  // Navigation tabs item\n  &__item {\n    display: inline-block;\n    height: px2rem(48px);\n    padding-right: px2rem(12px);\n    padding-left: px2rem(12px);\n  }\n\n  // Navigation tabs link - could be defined as block elements and aligned via\n  // line height, but this would imply more repaints when scrolling\n  &__link {\n    display: block;\n    margin-top: px2rem(16px);\n    font-size: px2rem(14px);\n    // Hack: save a repaint when tabs are appearing on scrolling up\n    backface-visibility: hidden;\n    opacity: 0.7;\n    transition:\n      transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      opacity   250ms;\n\n    // Active link and link on focus/hover\n    &--active,\n    &:focus,\n    &:hover {\n      color: inherit;\n      opacity: 1;\n    }\n\n    // Delay transitions by a small amount\n    @for $i from 2 through 16 {\n      .md-tabs__item:nth-child(#{$i}) & {\n        transition-delay: 20ms * ($i - 1);\n      }\n    }\n\n    // Hide tabs upon scrolling - disable transition to minimizes repaints\n    // while scrolling down, while scrolling up seems to be okay\n    .md-tabs[data-md-state=\"hidden\"] & {\n      transform: translateY(50%);\n      opacity: 0;\n      transition:\n        transform 0ms 100ms,\n        opacity 100ms;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Back-to-top button\n.md-top {\n  position: sticky;\n  bottom: px2rem(8px);\n  z-index: 1;\n  float: right;\n  margin: px2rem(-56px) px2rem(8px) px2rem(8px);\n  padding: px2rem(8px);\n  color: var(--md-primary-bg-color);\n  background: var(--md-primary-fg-color);\n  border-radius: 100%;\n  outline: none;\n  box-shadow:\n    0 px2rem(4px)   px2rem(10px) hsla(0, 0%, 0%, 0.1),\n    0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.1);\n  transform: translateY(0);\n  transition:\n    opacity          125ms,\n    transform        125ms cubic-bezier(0.4, 0, 0.2, 1),\n    background-color 125ms;\n\n  // Adjust for right-to-left languages\n  [dir=\"rtl\"] & {\n    float: left;\n  }\n\n  // Back-to-top button in hidden state\n  &[data-md-state=\"hidden\"] {\n    transform: translateY(px2rem(-4px));\n    opacity: 0;\n  }\n\n  // Back-to-top button on focus/hover\n  &:focus,\n  &:hover {\n    background: var(--md-accent-fg-color);\n    transform: scale(1.1);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Version selection\n.md-version {\n  flex-shrink: 0;\n  height: px2rem(48px);\n  font-size: px2rem(16px);\n\n  // Current selection\n  &__current {\n    position: relative;\n    // Hack: in general, we would use `vertical-align` to align the version at\n    // the bottom with the title, but since the list uses absolute positioning,\n    // this won't work consistently. Furthermore, we would need to use inline\n    // positioning to align the links, which looks jagged.\n    top: px2rem(1px);\n    margin-right: px2rem(8px);\n    margin-left: px2rem(28px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(28px);\n      margin-left: px2rem(8px);\n    }\n\n    // Version selection icon\n    &::after {\n      display: inline-block;\n      width: px2rem(8px);\n      height: px2rem(12px);\n      margin-left: px2rem(8px);\n      background-color: currentColor;\n      mask-image: var(--md-version-icon);\n      mask-repeat: no-repeat;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(8px);\n        margin-left: initial;\n      }\n    }\n  }\n\n  // Version selection list\n  &__list {\n    position: absolute;\n    top: px2rem(3px);\n    z-index: 1;\n    max-height: px2rem(36px);\n    margin: px2rem(4px) px2rem(16px);\n    padding: 0;\n    overflow: auto;\n    color: var(--md-default-fg-color);\n    list-style-type: none;\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.25);\n    opacity: 0;\n    transition:\n      max-height 0ms 500ms,\n      opacity  250ms 250ms;\n    scroll-snap-type: y mandatory;\n\n    // List on focus/hover\n    &:focus-within,\n    &:hover {\n      max-height: px2rem(200px);\n      opacity: 1;\n      transition:\n        max-height 250ms,\n        opacity    250ms;\n    }\n  }\n\n  // Version selection item\n  &__item {\n    line-height: px2rem(36px);\n  }\n\n  // Version selection link\n  &__link {\n    display: block;\n    width: 100%;\n    padding-right: px2rem(24px);\n    padding-left: px2rem(12px);\n    white-space: nowrap;\n    cursor: pointer;\n    transition:\n      color            250ms,\n      background-color 250ms;\n    scroll-snap-align: start;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: px2rem(24px);\n    }\n\n    // Link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-default-fg-color--lightest);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n/// Admonition flavours\n$admonitions: (\n  note:                       pencil $clr-blue-a200,\n  abstract summary tldr:      text-subject $clr-light-blue-a400,\n  info todo:                  information $clr-cyan-a700,\n  tip hint important:         fire $clr-teal-a700,\n  success check done:         check-circle $clr-green-a700,\n  question help faq:          help-circle $clr-light-green-a700,\n  warning caution attention:  alert $clr-orange-a400,\n  failure fail missing:       close-circle $clr-red-a200,\n  danger error:               flash-circle $clr-red-a400,\n  bug:                        bug $clr-pink-a400,\n  example:                    format-list-numbered $clr-deep-purple-a200,\n  quote cite:                 format-quote-close $clr-grey\n) !default;\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  @each $names, $props in $admonitions {\n    --md-admonition-icon--#{nth($names, 1)}:\n      svg-load(\"material/#{nth($props, 1)}.svg\");\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Admonition\n  .admonition {\n    margin: px2em(20px, 12.8px) 0;\n    padding: 0 px2rem(12px);\n    overflow: hidden;\n    color: var(--md-admonition-fg-color);\n    font-size: px2rem(12.8px);\n    page-break-inside: avoid;\n    background-color: var(--md-admonition-bg-color);\n    border-left: px2rem(4px) solid $clr-blue-a200;\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px)   px2rem(10px) hsla(0, 0%, 0%, 0.05),\n      0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.05);\n\n    // [print]: Omit shadow as it may lead to rendering errors\n    @media print {\n      box-shadow: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      border-right: px2rem(4px) solid $clr-blue-a200;\n      border-left: none;\n    }\n\n    // Adjust vertical spacing for nested admonitions\n    .admonition {\n      margin-top: 1em;\n      margin-bottom: 1em;\n    }\n\n    // Adjust spacing for contained table wrappers\n    .md-typeset__scrollwrap {\n      margin: 1em px2rem(-12px);\n    }\n\n    // Adjust spacing for contained tables\n    .md-typeset__table {\n      padding: 0 px2rem(12px);\n    }\n\n    // Adjust spacing for single-child tabbed block container\n    > .tabbed-set:only-child {\n      margin-top: 0;\n    }\n\n    // Adjust spacing on last child\n    html & > :last-child {\n      margin-bottom: px2rem(12px);\n    }\n  }\n\n  // Admonition title\n  .admonition-title {\n    position: relative;\n    margin: 0 px2rem(-12px) 0 px2rem(-16px);\n    padding: px2rem(8px) px2rem(12px) px2rem(8px) px2rem(40px);\n    font-weight: 700;\n    background-color: transparentize($clr-blue-a200, 0.9);\n    border-left: px2rem(4px) solid $clr-blue-a200;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin: 0 px2rem(-16px) 0 px2rem(-12px);\n      padding: px2rem(8px) px2rem(40px) px2rem(8px) px2rem(12px);\n      border-right: px2rem(4px) solid $clr-blue-a200;\n      border-left: none;\n    }\n\n    // Adjust spacing for title-only admonitions\n    html &:last-child {\n      margin-bottom: 0;\n    }\n\n    // Admonition icon\n    &::before {\n      position: absolute;\n      left: px2rem(12px);\n      width: px2rem(20px);\n      height: px2rem(20px);\n      background-color: $clr-blue-a200;\n      mask-image: var(--md-admonition-icon--note);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(12px);\n        left: initial;\n      }\n    }\n\n    // Adjust spacing on last tabbed block container child - if the tabbed\n    // block container is the sole child, it looks better to omit the margin\n    + .tabbed-set:last-child {\n      margin-top: 0;\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: flavours\n// ----------------------------------------------------------------------------\n\n@each $names, $props in $admonitions {\n  $name: nth($names, 1);\n  $tint: nth($props, 2);\n\n  // Admonition flavour\n  .md-typeset .admonition.#{$name} {\n    border-color: $tint;\n  }\n\n  // Admonition flavour title\n  .md-typeset .#{$name} > .admonition-title {\n    background-color: transparentize($tint, 0.9);\n    border-color: $tint;\n\n    // Admonition icon\n    &::before {\n      background-color: $tint;\n      mask-image: var(--md-admonition-icon--#{$name});\n      mask-repeat: no-repeat;\n      mask-size: contain;\n    }\n  }\n\n  // Define synonyms for flavours\n  @if length($names) > 1 {\n    @for $n from 2 through length($names) {\n      .#{nth($names, $n)} {\n        @extend .#{$name};\n      }\n    }\n  }\n}\n","// ==========================================================================\n//\n// Name:        UI Color Palette\n// Description: The color palette of material design.\n// Version:     2.3.1\n//\n// Author:      Denis Malinochkin\n// Git:         https://github.com/mrmlnc/material-color\n//\n// twitter:     @mrmlnc\n//\n// ==========================================================================\n\n\n//\n// List of base colors\n//\n\n// $clr-red\n// $clr-pink\n// $clr-purple\n// $clr-deep-purple\n// $clr-indigo\n// $clr-blue\n// $clr-light-blue\n// $clr-cyan\n// $clr-teal\n// $clr-green\n// $clr-light-green\n// $clr-lime\n// $clr-yellow\n// $clr-amber\n// $clr-orange\n// $clr-deep-orange\n// $clr-brown\n// $clr-grey\n// $clr-blue-grey\n// $clr-black\n// $clr-white\n\n\n//\n// Red\n//\n\n$clr-red-list: (\n  \"base\": #f44336,\n  \"50\":   #ffebee,\n  \"100\":  #ffcdd2,\n  \"200\":  #ef9a9a,\n  \"300\":  #e57373,\n  \"400\":  #ef5350,\n  \"500\":  #f44336,\n  \"600\":  #e53935,\n  \"700\":  #d32f2f,\n  \"800\":  #c62828,\n  \"900\":  #b71c1c,\n  \"a100\": #ff8a80,\n  \"a200\": #ff5252,\n  \"a400\": #ff1744,\n  \"a700\": #d50000\n);\n\n$clr-red:      map-get($clr-red-list, \"base\");\n\n$clr-red-50:   map-get($clr-red-list, \"50\");\n$clr-red-100:  map-get($clr-red-list, \"100\");\n$clr-red-200:  map-get($clr-red-list, \"200\");\n$clr-red-300:  map-get($clr-red-list, \"300\");\n$clr-red-400:  map-get($clr-red-list, \"400\");\n$clr-red-500:  map-get($clr-red-list, \"500\");\n$clr-red-600:  map-get($clr-red-list, \"600\");\n$clr-red-700:  map-get($clr-red-list, \"700\");\n$clr-red-800:  map-get($clr-red-list, \"800\");\n$clr-red-900:  map-get($clr-red-list, \"900\");\n$clr-red-a100: map-get($clr-red-list, \"a100\");\n$clr-red-a200: map-get($clr-red-list, \"a200\");\n$clr-red-a400: map-get($clr-red-list, \"a400\");\n$clr-red-a700: map-get($clr-red-list, \"a700\");\n\n\n//\n// Pink\n//\n\n$clr-pink-list: (\n  \"base\": #e91e63,\n  \"50\":   #fce4ec,\n  \"100\":  #f8bbd0,\n  \"200\":  #f48fb1,\n  \"300\":  #f06292,\n  \"400\":  #ec407a,\n  \"500\":  #e91e63,\n  \"600\":  #d81b60,\n  \"700\":  #c2185b,\n  \"800\":  #ad1457,\n  \"900\":  #880e4f,\n  \"a100\": #ff80ab,\n  \"a200\": #ff4081,\n  \"a400\": #f50057,\n  \"a700\": #c51162\n);\n\n$clr-pink:      map-get($clr-pink-list, \"base\");\n\n$clr-pink-50:   map-get($clr-pink-list, \"50\");\n$clr-pink-100:  map-get($clr-pink-list, \"100\");\n$clr-pink-200:  map-get($clr-pink-list, \"200\");\n$clr-pink-300:  map-get($clr-pink-list, \"300\");\n$clr-pink-400:  map-get($clr-pink-list, \"400\");\n$clr-pink-500:  map-get($clr-pink-list, \"500\");\n$clr-pink-600:  map-get($clr-pink-list, \"600\");\n$clr-pink-700:  map-get($clr-pink-list, \"700\");\n$clr-pink-800:  map-get($clr-pink-list, \"800\");\n$clr-pink-900:  map-get($clr-pink-list, \"900\");\n$clr-pink-a100: map-get($clr-pink-list, \"a100\");\n$clr-pink-a200: map-get($clr-pink-list, \"a200\");\n$clr-pink-a400: map-get($clr-pink-list, \"a400\");\n$clr-pink-a700: map-get($clr-pink-list, \"a700\");\n\n\n//\n// Purple\n//\n\n$clr-purple-list: (\n  \"base\": #9c27b0,\n  \"50\":   #f3e5f5,\n  \"100\":  #e1bee7,\n  \"200\":  #ce93d8,\n  \"300\":  #ba68c8,\n  \"400\":  #ab47bc,\n  \"500\":  #9c27b0,\n  \"600\":  #8e24aa,\n  \"700\":  #7b1fa2,\n  \"800\":  #6a1b9a,\n  \"900\":  #4a148c,\n  \"a100\": #ea80fc,\n  \"a200\": #e040fb,\n  \"a400\": #d500f9,\n  \"a700\": #aa00ff\n);\n\n$clr-purple:      map-get($clr-purple-list, \"base\");\n\n$clr-purple-50:   map-get($clr-purple-list, \"50\");\n$clr-purple-100:  map-get($clr-purple-list, \"100\");\n$clr-purple-200:  map-get($clr-purple-list, \"200\");\n$clr-purple-300:  map-get($clr-purple-list, \"300\");\n$clr-purple-400:  map-get($clr-purple-list, \"400\");\n$clr-purple-500:  map-get($clr-purple-list, \"500\");\n$clr-purple-600:  map-get($clr-purple-list, \"600\");\n$clr-purple-700:  map-get($clr-purple-list, \"700\");\n$clr-purple-800:  map-get($clr-purple-list, \"800\");\n$clr-purple-900:  map-get($clr-purple-list, \"900\");\n$clr-purple-a100: map-get($clr-purple-list, \"a100\");\n$clr-purple-a200: map-get($clr-purple-list, \"a200\");\n$clr-purple-a400: map-get($clr-purple-list, \"a400\");\n$clr-purple-a700: map-get($clr-purple-list, \"a700\");\n\n\n//\n// Deep purple\n//\n\n$clr-deep-purple-list: (\n  \"base\": #673ab7,\n  \"50\":   #ede7f6,\n  \"100\":  #d1c4e9,\n  \"200\":  #b39ddb,\n  \"300\":  #9575cd,\n  \"400\":  #7e57c2,\n  \"500\":  #673ab7,\n  \"600\":  #5e35b1,\n  \"700\":  #512da8,\n  \"800\":  #4527a0,\n  \"900\":  #311b92,\n  \"a100\": #b388ff,\n  \"a200\": #7c4dff,\n  \"a400\": #651fff,\n  \"a700\": #6200ea\n);\n\n$clr-deep-purple:      map-get($clr-deep-purple-list, \"base\");\n\n$clr-deep-purple-50:   map-get($clr-deep-purple-list, \"50\");\n$clr-deep-purple-100:  map-get($clr-deep-purple-list, \"100\");\n$clr-deep-purple-200:  map-get($clr-deep-purple-list, \"200\");\n$clr-deep-purple-300:  map-get($clr-deep-purple-list, \"300\");\n$clr-deep-purple-400:  map-get($clr-deep-purple-list, \"400\");\n$clr-deep-purple-500:  map-get($clr-deep-purple-list, \"500\");\n$clr-deep-purple-600:  map-get($clr-deep-purple-list, \"600\");\n$clr-deep-purple-700:  map-get($clr-deep-purple-list, \"700\");\n$clr-deep-purple-800:  map-get($clr-deep-purple-list, \"800\");\n$clr-deep-purple-900:  map-get($clr-deep-purple-list, \"900\");\n$clr-deep-purple-a100: map-get($clr-deep-purple-list, \"a100\");\n$clr-deep-purple-a200: map-get($clr-deep-purple-list, \"a200\");\n$clr-deep-purple-a400: map-get($clr-deep-purple-list, \"a400\");\n$clr-deep-purple-a700: map-get($clr-deep-purple-list, \"a700\");\n\n\n//\n// Indigo\n//\n\n$clr-indigo-list: (\n  \"base\": #3f51b5,\n  \"50\":   #e8eaf6,\n  \"100\":  #c5cae9,\n  \"200\":  #9fa8da,\n  \"300\":  #7986cb,\n  \"400\":  #5c6bc0,\n  \"500\":  #3f51b5,\n  \"600\":  #3949ab,\n  \"700\":  #303f9f,\n  \"800\":  #283593,\n  \"900\":  #1a237e,\n  \"a100\": #8c9eff,\n  \"a200\": #536dfe,\n  \"a400\": #3d5afe,\n  \"a700\": #304ffe\n);\n\n$clr-indigo:      map-get($clr-indigo-list, \"base\");\n\n$clr-indigo-50:   map-get($clr-indigo-list, \"50\");\n$clr-indigo-100:  map-get($clr-indigo-list, \"100\");\n$clr-indigo-200:  map-get($clr-indigo-list, \"200\");\n$clr-indigo-300:  map-get($clr-indigo-list, \"300\");\n$clr-indigo-400:  map-get($clr-indigo-list, \"400\");\n$clr-indigo-500:  map-get($clr-indigo-list, \"500\");\n$clr-indigo-600:  map-get($clr-indigo-list, \"600\");\n$clr-indigo-700:  map-get($clr-indigo-list, \"700\");\n$clr-indigo-800:  map-get($clr-indigo-list, \"800\");\n$clr-indigo-900:  map-get($clr-indigo-list, \"900\");\n$clr-indigo-a100: map-get($clr-indigo-list, \"a100\");\n$clr-indigo-a200: map-get($clr-indigo-list, \"a200\");\n$clr-indigo-a400: map-get($clr-indigo-list, \"a400\");\n$clr-indigo-a700: map-get($clr-indigo-list, \"a700\");\n\n\n//\n// Blue\n//\n\n$clr-blue-list: (\n  \"base\": #2196f3,\n  \"50\":   #e3f2fd,\n  \"100\":  #bbdefb,\n  \"200\":  #90caf9,\n  \"300\":  #64b5f6,\n  \"400\":  #42a5f5,\n  \"500\":  #2196f3,\n  \"600\":  #1e88e5,\n  \"700\":  #1976d2,\n  \"800\":  #1565c0,\n  \"900\":  #0d47a1,\n  \"a100\": #82b1ff,\n  \"a200\": #448aff,\n  \"a400\": #2979ff,\n  \"a700\": #2962ff\n);\n\n$clr-blue:      map-get($clr-blue-list, \"base\");\n\n$clr-blue-50:   map-get($clr-blue-list, \"50\");\n$clr-blue-100:  map-get($clr-blue-list, \"100\");\n$clr-blue-200:  map-get($clr-blue-list, \"200\");\n$clr-blue-300:  map-get($clr-blue-list, \"300\");\n$clr-blue-400:  map-get($clr-blue-list, \"400\");\n$clr-blue-500:  map-get($clr-blue-list, \"500\");\n$clr-blue-600:  map-get($clr-blue-list, \"600\");\n$clr-blue-700:  map-get($clr-blue-list, \"700\");\n$clr-blue-800:  map-get($clr-blue-list, \"800\");\n$clr-blue-900:  map-get($clr-blue-list, \"900\");\n$clr-blue-a100: map-get($clr-blue-list, \"a100\");\n$clr-blue-a200: map-get($clr-blue-list, \"a200\");\n$clr-blue-a400: map-get($clr-blue-list, \"a400\");\n$clr-blue-a700: map-get($clr-blue-list, \"a700\");\n\n\n//\n// Light Blue\n//\n\n$clr-light-blue-list: (\n  \"base\": #03a9f4,\n  \"50\":   #e1f5fe,\n  \"100\":  #b3e5fc,\n  \"200\":  #81d4fa,\n  \"300\":  #4fc3f7,\n  \"400\":  #29b6f6,\n  \"500\":  #03a9f4,\n  \"600\":  #039be5,\n  \"700\":  #0288d1,\n  \"800\":  #0277bd,\n  \"900\":  #01579b,\n  \"a100\": #80d8ff,\n  \"a200\": #40c4ff,\n  \"a400\": #00b0ff,\n  \"a700\": #0091ea\n);\n\n$clr-light-blue:      map-get($clr-light-blue-list, \"base\");\n\n$clr-light-blue-50:   map-get($clr-light-blue-list, \"50\");\n$clr-light-blue-100:  map-get($clr-light-blue-list, \"100\");\n$clr-light-blue-200:  map-get($clr-light-blue-list, \"200\");\n$clr-light-blue-300:  map-get($clr-light-blue-list, \"300\");\n$clr-light-blue-400:  map-get($clr-light-blue-list, \"400\");\n$clr-light-blue-500:  map-get($clr-light-blue-list, \"500\");\n$clr-light-blue-600:  map-get($clr-light-blue-list, \"600\");\n$clr-light-blue-700:  map-get($clr-light-blue-list, \"700\");\n$clr-light-blue-800:  map-get($clr-light-blue-list, \"800\");\n$clr-light-blue-900:  map-get($clr-light-blue-list, \"900\");\n$clr-light-blue-a100: map-get($clr-light-blue-list, \"a100\");\n$clr-light-blue-a200: map-get($clr-light-blue-list, \"a200\");\n$clr-light-blue-a400: map-get($clr-light-blue-list, \"a400\");\n$clr-light-blue-a700: map-get($clr-light-blue-list, \"a700\");\n\n\n//\n// Cyan\n//\n\n$clr-cyan-list: (\n  \"base\": #00bcd4,\n  \"50\":   #e0f7fa,\n  \"100\":  #b2ebf2,\n  \"200\":  #80deea,\n  \"300\":  #4dd0e1,\n  \"400\":  #26c6da,\n  \"500\":  #00bcd4,\n  \"600\":  #00acc1,\n  \"700\":  #0097a7,\n  \"800\":  #00838f,\n  \"900\":  #006064,\n  \"a100\": #84ffff,\n  \"a200\": #18ffff,\n  \"a400\": #00e5ff,\n  \"a700\": #00b8d4\n);\n\n$clr-cyan:      map-get($clr-cyan-list, \"base\");\n\n$clr-cyan-50:   map-get($clr-cyan-list, \"50\");\n$clr-cyan-100:  map-get($clr-cyan-list, \"100\");\n$clr-cyan-200:  map-get($clr-cyan-list, \"200\");\n$clr-cyan-300:  map-get($clr-cyan-list, \"300\");\n$clr-cyan-400:  map-get($clr-cyan-list, \"400\");\n$clr-cyan-500:  map-get($clr-cyan-list, \"500\");\n$clr-cyan-600:  map-get($clr-cyan-list, \"600\");\n$clr-cyan-700:  map-get($clr-cyan-list, \"700\");\n$clr-cyan-800:  map-get($clr-cyan-list, \"800\");\n$clr-cyan-900:  map-get($clr-cyan-list, \"900\");\n$clr-cyan-a100: map-get($clr-cyan-list, \"a100\");\n$clr-cyan-a200: map-get($clr-cyan-list, \"a200\");\n$clr-cyan-a400: map-get($clr-cyan-list, \"a400\");\n$clr-cyan-a700: map-get($clr-cyan-list, \"a700\");\n\n\n//\n// Teal\n//\n\n$clr-teal-list: (\n  \"base\": #009688,\n  \"50\":   #e0f2f1,\n  \"100\":  #b2dfdb,\n  \"200\":  #80cbc4,\n  \"300\":  #4db6ac,\n  \"400\":  #26a69a,\n  \"500\":  #009688,\n  \"600\":  #00897b,\n  \"700\":  #00796b,\n  \"800\":  #00695c,\n  \"900\":  #004d40,\n  \"a100\": #a7ffeb,\n  \"a200\": #64ffda,\n  \"a400\": #1de9b6,\n  \"a700\": #00bfa5\n);\n\n$clr-teal:      map-get($clr-teal-list, \"base\");\n\n$clr-teal-50:   map-get($clr-teal-list, \"50\");\n$clr-teal-100:  map-get($clr-teal-list, \"100\");\n$clr-teal-200:  map-get($clr-teal-list, \"200\");\n$clr-teal-300:  map-get($clr-teal-list, \"300\");\n$clr-teal-400:  map-get($clr-teal-list, \"400\");\n$clr-teal-500:  map-get($clr-teal-list, \"500\");\n$clr-teal-600:  map-get($clr-teal-list, \"600\");\n$clr-teal-700:  map-get($clr-teal-list, \"700\");\n$clr-teal-800:  map-get($clr-teal-list, \"800\");\n$clr-teal-900:  map-get($clr-teal-list, \"900\");\n$clr-teal-a100: map-get($clr-teal-list, \"a100\");\n$clr-teal-a200: map-get($clr-teal-list, \"a200\");\n$clr-teal-a400: map-get($clr-teal-list, \"a400\");\n$clr-teal-a700: map-get($clr-teal-list, \"a700\");\n\n\n//\n// Green\n//\n\n$clr-green-list: (\n  \"base\": #4caf50,\n  \"50\":   #e8f5e9,\n  \"100\":  #c8e6c9,\n  \"200\":  #a5d6a7,\n  \"300\":  #81c784,\n  \"400\":  #66bb6a,\n  \"500\":  #4caf50,\n  \"600\":  #43a047,\n  \"700\":  #388e3c,\n  \"800\":  #2e7d32,\n  \"900\":  #1b5e20,\n  \"a100\": #b9f6ca,\n  \"a200\": #69f0ae,\n  \"a400\": #00e676,\n  \"a700\": #00c853\n);\n\n$clr-green:      map-get($clr-green-list, \"base\");\n\n$clr-green-50:   map-get($clr-green-list, \"50\");\n$clr-green-100:  map-get($clr-green-list, \"100\");\n$clr-green-200:  map-get($clr-green-list, \"200\");\n$clr-green-300:  map-get($clr-green-list, \"300\");\n$clr-green-400:  map-get($clr-green-list, \"400\");\n$clr-green-500:  map-get($clr-green-list, \"500\");\n$clr-green-600:  map-get($clr-green-list, \"600\");\n$clr-green-700:  map-get($clr-green-list, \"700\");\n$clr-green-800:  map-get($clr-green-list, \"800\");\n$clr-green-900:  map-get($clr-green-list, \"900\");\n$clr-green-a100: map-get($clr-green-list, \"a100\");\n$clr-green-a200: map-get($clr-green-list, \"a200\");\n$clr-green-a400: map-get($clr-green-list, \"a400\");\n$clr-green-a700: map-get($clr-green-list, \"a700\");\n\n\n//\n// Light green\n//\n\n$clr-light-green-list: (\n  \"base\": #8bc34a,\n  \"50\":   #f1f8e9,\n  \"100\":  #dcedc8,\n  \"200\":  #c5e1a5,\n  \"300\":  #aed581,\n  \"400\":  #9ccc65,\n  \"500\":  #8bc34a,\n  \"600\":  #7cb342,\n  \"700\":  #689f38,\n  \"800\":  #558b2f,\n  \"900\":  #33691e,\n  \"a100\": #ccff90,\n  \"a200\": #b2ff59,\n  \"a400\": #76ff03,\n  \"a700\": #64dd17\n);\n\n$clr-light-green:      map-get($clr-light-green-list, \"base\");\n\n$clr-light-green-50:   map-get($clr-light-green-list, \"50\");\n$clr-light-green-100:  map-get($clr-light-green-list, \"100\");\n$clr-light-green-200:  map-get($clr-light-green-list, \"200\");\n$clr-light-green-300:  map-get($clr-light-green-list, \"300\");\n$clr-light-green-400:  map-get($clr-light-green-list, \"400\");\n$clr-light-green-500:  map-get($clr-light-green-list, \"500\");\n$clr-light-green-600:  map-get($clr-light-green-list, \"600\");\n$clr-light-green-700:  map-get($clr-light-green-list, \"700\");\n$clr-light-green-800:  map-get($clr-light-green-list, \"800\");\n$clr-light-green-900:  map-get($clr-light-green-list, \"900\");\n$clr-light-green-a100: map-get($clr-light-green-list, \"a100\");\n$clr-light-green-a200: map-get($clr-light-green-list, \"a200\");\n$clr-light-green-a400: map-get($clr-light-green-list, \"a400\");\n$clr-light-green-a700: map-get($clr-light-green-list, \"a700\");\n\n\n//\n// Lime\n//\n\n$clr-lime-list: (\n  \"base\": #cddc39,\n  \"50\":   #f9fbe7,\n  \"100\":  #f0f4c3,\n  \"200\":  #e6ee9c,\n  \"300\":  #dce775,\n  \"400\":  #d4e157,\n  \"500\":  #cddc39,\n  \"600\":  #c0ca33,\n  \"700\":  #afb42b,\n  \"800\":  #9e9d24,\n  \"900\":  #827717,\n  \"a100\": #f4ff81,\n  \"a200\": #eeff41,\n  \"a400\": #c6ff00,\n  \"a700\": #aeea00\n);\n\n$clr-lime:      map-get($clr-lime-list, \"base\");\n\n$clr-lime-50:   map-get($clr-lime-list, \"50\");\n$clr-lime-100:  map-get($clr-lime-list, \"100\");\n$clr-lime-200:  map-get($clr-lime-list, \"200\");\n$clr-lime-300:  map-get($clr-lime-list, \"300\");\n$clr-lime-400:  map-get($clr-lime-list, \"400\");\n$clr-lime-500:  map-get($clr-lime-list, \"500\");\n$clr-lime-600:  map-get($clr-lime-list, \"600\");\n$clr-lime-700:  map-get($clr-lime-list, \"700\");\n$clr-lime-800:  map-get($clr-lime-list, \"800\");\n$clr-lime-900:  map-get($clr-lime-list, \"900\");\n$clr-lime-a100: map-get($clr-lime-list, \"a100\");\n$clr-lime-a200: map-get($clr-lime-list, \"a200\");\n$clr-lime-a400: map-get($clr-lime-list, \"a400\");\n$clr-lime-a700: map-get($clr-lime-list, \"a700\");\n\n\n//\n// Yellow\n//\n\n$clr-yellow-list: (\n  \"base\": #ffeb3b,\n  \"50\":   #fffde7,\n  \"100\":  #fff9c4,\n  \"200\":  #fff59d,\n  \"300\":  #fff176,\n  \"400\":  #ffee58,\n  \"500\":  #ffeb3b,\n  \"600\":  #fdd835,\n  \"700\":  #fbc02d,\n  \"800\":  #f9a825,\n  \"900\":  #f57f17,\n  \"a100\": #ffff8d,\n  \"a200\": #ffff00,\n  \"a400\": #ffea00,\n  \"a700\": #ffd600\n);\n\n$clr-yellow:      map-get($clr-yellow-list, \"base\");\n\n$clr-yellow-50:   map-get($clr-yellow-list, \"50\");\n$clr-yellow-100:  map-get($clr-yellow-list, \"100\");\n$clr-yellow-200:  map-get($clr-yellow-list, \"200\");\n$clr-yellow-300:  map-get($clr-yellow-list, \"300\");\n$clr-yellow-400:  map-get($clr-yellow-list, \"400\");\n$clr-yellow-500:  map-get($clr-yellow-list, \"500\");\n$clr-yellow-600:  map-get($clr-yellow-list, \"600\");\n$clr-yellow-700:  map-get($clr-yellow-list, \"700\");\n$clr-yellow-800:  map-get($clr-yellow-list, \"800\");\n$clr-yellow-900:  map-get($clr-yellow-list, \"900\");\n$clr-yellow-a100: map-get($clr-yellow-list, \"a100\");\n$clr-yellow-a200: map-get($clr-yellow-list, \"a200\");\n$clr-yellow-a400: map-get($clr-yellow-list, \"a400\");\n$clr-yellow-a700: map-get($clr-yellow-list, \"a700\");\n\n\n//\n// amber\n//\n\n$clr-amber-list: (\n  \"base\": #ffc107,\n  \"50\":   #fff8e1,\n  \"100\":  #ffecb3,\n  \"200\":  #ffe082,\n  \"300\":  #ffd54f,\n  \"400\":  #ffca28,\n  \"500\":  #ffc107,\n  \"600\":  #ffb300,\n  \"700\":  #ffa000,\n  \"800\":  #ff8f00,\n  \"900\":  #ff6f00,\n  \"a100\": #ffe57f,\n  \"a200\": #ffd740,\n  \"a400\": #ffc400,\n  \"a700\": #ffab00\n);\n\n$clr-amber:      map-get($clr-amber-list, \"base\");\n\n$clr-amber-50:   map-get($clr-amber-list, \"50\");\n$clr-amber-100:  map-get($clr-amber-list, \"100\");\n$clr-amber-200:  map-get($clr-amber-list, \"200\");\n$clr-amber-300:  map-get($clr-amber-list, \"300\");\n$clr-amber-400:  map-get($clr-amber-list, \"400\");\n$clr-amber-500:  map-get($clr-amber-list, \"500\");\n$clr-amber-600:  map-get($clr-amber-list, \"600\");\n$clr-amber-700:  map-get($clr-amber-list, \"700\");\n$clr-amber-800:  map-get($clr-amber-list, \"800\");\n$clr-amber-900:  map-get($clr-amber-list, \"900\");\n$clr-amber-a100: map-get($clr-amber-list, \"a100\");\n$clr-amber-a200: map-get($clr-amber-list, \"a200\");\n$clr-amber-a400: map-get($clr-amber-list, \"a400\");\n$clr-amber-a700: map-get($clr-amber-list, \"a700\");\n\n\n//\n// Orange\n//\n\n$clr-orange-list: (\n  \"base\": #ff9800,\n  \"50\":   #fff3e0,\n  \"100\":  #ffe0b2,\n  \"200\":  #ffcc80,\n  \"300\":  #ffb74d,\n  \"400\":  #ffa726,\n  \"500\":  #ff9800,\n  \"600\":  #fb8c00,\n  \"700\":  #f57c00,\n  \"800\":  #ef6c00,\n  \"900\":  #e65100,\n  \"a100\": #ffd180,\n  \"a200\": #ffab40,\n  \"a400\": #ff9100,\n  \"a700\": #ff6d00\n);\n\n$clr-orange:      map-get($clr-orange-list, \"base\");\n\n$clr-orange-50:   map-get($clr-orange-list, \"50\");\n$clr-orange-100:  map-get($clr-orange-list, \"100\");\n$clr-orange-200:  map-get($clr-orange-list, \"200\");\n$clr-orange-300:  map-get($clr-orange-list, \"300\");\n$clr-orange-400:  map-get($clr-orange-list, \"400\");\n$clr-orange-500:  map-get($clr-orange-list, \"500\");\n$clr-orange-600:  map-get($clr-orange-list, \"600\");\n$clr-orange-700:  map-get($clr-orange-list, \"700\");\n$clr-orange-800:  map-get($clr-orange-list, \"800\");\n$clr-orange-900:  map-get($clr-orange-list, \"900\");\n$clr-orange-a100: map-get($clr-orange-list, \"a100\");\n$clr-orange-a200: map-get($clr-orange-list, \"a200\");\n$clr-orange-a400: map-get($clr-orange-list, \"a400\");\n$clr-orange-a700: map-get($clr-orange-list, \"a700\");\n\n\n//\n// Deep orange\n//\n\n$clr-deep-orange-list: (\n  \"base\": #ff5722,\n  \"50\":   #fbe9e7,\n  \"100\":  #ffccbc,\n  \"200\":  #ffab91,\n  \"300\":  #ff8a65,\n  \"400\":  #ff7043,\n  \"500\":  #ff5722,\n  \"600\":  #f4511e,\n  \"700\":  #e64a19,\n  \"800\":  #d84315,\n  \"900\":  #bf360c,\n  \"a100\": #ff9e80,\n  \"a200\": #ff6e40,\n  \"a400\": #ff3d00,\n  \"a700\": #dd2c00\n);\n\n$clr-deep-orange:      map-get($clr-deep-orange-list, \"base\");\n\n$clr-deep-orange-50:   map-get($clr-deep-orange-list, \"50\");\n$clr-deep-orange-100:  map-get($clr-deep-orange-list, \"100\");\n$clr-deep-orange-200:  map-get($clr-deep-orange-list, \"200\");\n$clr-deep-orange-300:  map-get($clr-deep-orange-list, \"300\");\n$clr-deep-orange-400:  map-get($clr-deep-orange-list, \"400\");\n$clr-deep-orange-500:  map-get($clr-deep-orange-list, \"500\");\n$clr-deep-orange-600:  map-get($clr-deep-orange-list, \"600\");\n$clr-deep-orange-700:  map-get($clr-deep-orange-list, \"700\");\n$clr-deep-orange-800:  map-get($clr-deep-orange-list, \"800\");\n$clr-deep-orange-900:  map-get($clr-deep-orange-list, \"900\");\n$clr-deep-orange-a100: map-get($clr-deep-orange-list, \"a100\");\n$clr-deep-orange-a200: map-get($clr-deep-orange-list, \"a200\");\n$clr-deep-orange-a400: map-get($clr-deep-orange-list, \"a400\");\n$clr-deep-orange-a700: map-get($clr-deep-orange-list, \"a700\");\n\n\n//\n// Brown\n//\n\n$clr-brown-list: (\n  \"base\": #795548,\n  \"50\":   #efebe9,\n  \"100\":  #d7ccc8,\n  \"200\":  #bcaaa4,\n  \"300\":  #a1887f,\n  \"400\":  #8d6e63,\n  \"500\":  #795548,\n  \"600\":  #6d4c41,\n  \"700\":  #5d4037,\n  \"800\":  #4e342e,\n  \"900\":  #3e2723,\n);\n\n$clr-brown:     map-get($clr-brown-list, \"base\");\n\n$clr-brown-50:  map-get($clr-brown-list, \"50\");\n$clr-brown-100: map-get($clr-brown-list, \"100\");\n$clr-brown-200: map-get($clr-brown-list, \"200\");\n$clr-brown-300: map-get($clr-brown-list, \"300\");\n$clr-brown-400: map-get($clr-brown-list, \"400\");\n$clr-brown-500: map-get($clr-brown-list, \"500\");\n$clr-brown-600: map-get($clr-brown-list, \"600\");\n$clr-brown-700: map-get($clr-brown-list, \"700\");\n$clr-brown-800: map-get($clr-brown-list, \"800\");\n$clr-brown-900: map-get($clr-brown-list, \"900\");\n\n\n//\n// Grey\n//\n\n$clr-grey-list: (\n  \"base\": #9e9e9e,\n  \"50\":   #fafafa,\n  \"100\":  #f5f5f5,\n  \"200\":  #eeeeee,\n  \"300\":  #e0e0e0,\n  \"400\":  #bdbdbd,\n  \"500\":  #9e9e9e,\n  \"600\":  #757575,\n  \"700\":  #616161,\n  \"800\":  #424242,\n  \"900\":  #212121,\n);\n\n$clr-grey:     map-get($clr-grey-list, \"base\");\n\n$clr-grey-50:  map-get($clr-grey-list, \"50\");\n$clr-grey-100: map-get($clr-grey-list, \"100\");\n$clr-grey-200: map-get($clr-grey-list, \"200\");\n$clr-grey-300: map-get($clr-grey-list, \"300\");\n$clr-grey-400: map-get($clr-grey-list, \"400\");\n$clr-grey-500: map-get($clr-grey-list, \"500\");\n$clr-grey-600: map-get($clr-grey-list, \"600\");\n$clr-grey-700: map-get($clr-grey-list, \"700\");\n$clr-grey-800: map-get($clr-grey-list, \"800\");\n$clr-grey-900: map-get($clr-grey-list, \"900\");\n\n\n//\n// Blue grey\n//\n\n$clr-blue-grey-list: (\n  \"base\": #607d8b,\n  \"50\":   #eceff1,\n  \"100\":  #cfd8dc,\n  \"200\":  #b0bec5,\n  \"300\":  #90a4ae,\n  \"400\":  #78909c,\n  \"500\":  #607d8b,\n  \"600\":  #546e7a,\n  \"700\":  #455a64,\n  \"800\":  #37474f,\n  \"900\":  #263238,\n);\n\n$clr-blue-grey:     map-get($clr-blue-grey-list, \"base\");\n\n$clr-blue-grey-50:  map-get($clr-blue-grey-list, \"50\");\n$clr-blue-grey-100: map-get($clr-blue-grey-list, \"100\");\n$clr-blue-grey-200: map-get($clr-blue-grey-list, \"200\");\n$clr-blue-grey-300: map-get($clr-blue-grey-list, \"300\");\n$clr-blue-grey-400: map-get($clr-blue-grey-list, \"400\");\n$clr-blue-grey-500: map-get($clr-blue-grey-list, \"500\");\n$clr-blue-grey-600: map-get($clr-blue-grey-list, \"600\");\n$clr-blue-grey-700: map-get($clr-blue-grey-list, \"700\");\n$clr-blue-grey-800: map-get($clr-blue-grey-list, \"800\");\n$clr-blue-grey-900: map-get($clr-blue-grey-list, \"900\");\n\n\n//\n// Black\n//\n\n$clr-black-list: (\n  \"base\": #000\n);\n\n$clr-black: map-get($clr-black-list, \"base\");\n\n\n//\n// White\n//\n\n$clr-white-list: (\n  \"base\": #fff\n);\n\n$clr-white: map-get($clr-white-list, \"base\");\n\n\n//\n// List for all Colors for looping\n//\n\n$clr-list-all: (\n  \"red\":         $clr-red-list,\n  \"pink\":        $clr-pink-list,\n  \"purple\":      $clr-purple-list,\n  \"deep-purple\": $clr-deep-purple-list,\n  \"indigo\":      $clr-indigo-list,\n  \"blue\":        $clr-blue-list,\n  \"light-blue\":  $clr-light-blue-list,\n  \"cyan\":        $clr-cyan-list,\n  \"teal\":        $clr-teal-list,\n  \"green\":       $clr-green-list,\n  \"light-green\": $clr-light-green-list,\n  \"lime\":        $clr-lime-list,\n  \"yellow\":      $clr-yellow-list,\n  \"amber\":       $clr-amber-list,\n  \"orange\":      $clr-orange-list,\n  \"deep-orange\": $clr-deep-orange-list,\n  \"brown\":       $clr-brown-list,\n  \"grey\":        $clr-grey-list,\n  \"blue-grey\":   $clr-blue-grey-list,\n  \"black\":       $clr-black-list,\n  \"white\":       $clr-white-list\n);\n\n\n//\n// Typography\n//\n\n$clr-ui-display-4: $clr-grey-600;\n$clr-ui-display-3: $clr-grey-600;\n$clr-ui-display-2: $clr-grey-600;\n$clr-ui-display-1: $clr-grey-600;\n$clr-ui-headline:  $clr-grey-900;\n$clr-ui-title:     $clr-grey-900;\n$clr-ui-subhead-1: $clr-grey-900;\n$clr-ui-body-2:    $clr-grey-900;\n$clr-ui-body-1:    $clr-grey-900;\n$clr-ui-caption:   $clr-grey-600;\n$clr-ui-menu:      $clr-grey-900;\n$clr-ui-button:    $clr-grey-900;\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Footnote reference\n  [id^=\"fnref:\"]:target {\n    scroll-margin-top: initial;\n    margin-top: -1 * px2rem(48px + 24px - 4px);\n    padding-top: px2rem(48px + 24px - 4px);\n  }\n\n  // Footnote\n  [id^=\"fn:\"]:target {\n    scroll-margin-top: initial;\n    margin-top: -1 * px2rem(48px + 24px - 3px);\n    padding-top: px2rem(48px + 24px - 3px);\n  }\n\n  // Footnote container\n  .footnote {\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n\n    // Footnote list - omit left indentation\n    > ol {\n      margin-left: 0;\n\n      // Footnote item - footnote items can contain lists, so we need to scope\n      // the spacing adjustments to the top-level footnote item.\n      > li {\n        transition: color 125ms;\n\n        // Darken color on target\n        &:target {\n          color: var(--md-default-fg-color);\n        }\n\n        // Show backreferences on footnote hover\n        &:hover  .footnote-backref,\n        &:target .footnote-backref {\n          transform: translateX(0);\n          opacity: 1;\n        }\n\n        // Adjust spacing on first child\n        > :first-child {\n          margin-top: 0;\n        }\n      }\n    }\n  }\n\n  // Footnote backreference\n  .footnote-backref {\n    display: inline-block;\n    color: var(--md-typeset-a-color);\n    // Hack: omit Unicode arrow for replacement with icon\n    font-size: 0;\n    vertical-align: text-bottom;\n    transform: translateX(px2rem(5px));\n    opacity: 0;\n    transition:\n      color     250ms,\n      transform 250ms 250ms,\n      opacity   125ms 250ms;\n\n    // [print]: Show footnote backreferences\n    @media print {\n      color: var(--md-typeset-a-color);\n      transform: translateX(0);\n      opacity: 1;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      transform: translateX(px2rem(-5px));\n    }\n\n    // Adjust color on hover\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n\n    // Footnote backreference icon\n    &::before {\n      display: inline-block;\n      width: px2rem(16px);\n      height: px2rem(16px);\n      background-color: currentColor;\n      mask-image: var(--md-footnotes-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Headerlink\n  .headerlink {\n    display: inline-block;\n    margin-left: px2rem(10px);\n    color: var(--md-default-fg-color--lighter);\n    opacity: 0;\n    transition:\n      color      250ms,\n      opacity    125ms;\n\n    // [print]: Hide headerlinks\n    @media print {\n      display: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(10px);\n      margin-left: initial;\n    }\n  }\n\n  // Show headerlinks on parent hover\n  :hover  > .headerlink,\n  :target > .headerlink,\n  .headerlink:focus {\n    opacity: 1;\n    transition:\n      color      250ms,\n      opacity    125ms;\n  }\n\n  // Adjust color on parent target or focus/hover\n  :target > .headerlink,\n  .headerlink:focus,\n  .headerlink:hover {\n    color: var(--md-accent-fg-color);\n  }\n\n  // Adjust scroll offset for all elements with `id` attributes - general scroll\n  // margin offset for anything that can be targeted. Browser support is pretty\n  // decent by now, but Edge <79 and Safari (iOS and macOS) still don't support\n  // it properly, so we settle with a cross-browser anchor correction solution.\n  :target {\n    scroll-margin-top: px2rem(48px + 24px);\n  }\n\n  // Adjust scroll offset for headlines of level 1-3\n  h1:target,\n  h2:target,\n  h3:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px - 4px);\n      padding-top: px2rem(48px + 24px - 4px);\n      content: \"\";\n    }\n  }\n\n  // Adjust scroll offset for headlines of level 4\n  h4:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px - 3px);\n      padding-top: px2rem(48px + 24px - 3px);\n      content: \"\";\n    }\n  }\n\n  // Adjust scroll offset for headlines of level 5-6\n  h5:target,\n  h6:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px);\n      padding-top: px2rem(48px + 24px);\n      content: \"\";\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Arithmatex container\n  div.arithmatex {\n    overflow: auto;\n\n    // [mobile -]: Align with body copy\n    @include break-to-device(mobile) {\n      margin: 0 px2rem(-16px);\n    }\n\n    // Arithmatex content\n    > * {\n      width: min-content;\n      // stylelint-disable-next-line declaration-no-important\n      margin: 1em auto !important;\n      padding: 0 px2rem(16px);\n      touch-action: auto;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Deletion, addition or comment\n  del.critic,\n  ins.critic,\n  .critic.comment {\n    box-decoration-break: clone;\n  }\n\n  // Deletion\n  del.critic {\n    background-color: var(--md-typeset-del-color);\n  }\n\n  // Addition\n  ins.critic {\n    background-color: var(--md-typeset-ins-color);\n  }\n\n  // Comment\n  .critic.comment {\n    color: var(--md-code-hl-comment-color);\n\n    // Comment opening mark\n    &::before {\n      content: \"/* \";\n    }\n\n    // Comment closing mark\n    &::after {\n      content: \" */\";\n    }\n  }\n\n  // Critic block\n  .critic.block {\n    display: block;\n    margin: 1em 0;\n    padding-right: px2rem(16px);\n    padding-left: px2rem(16px);\n    overflow: auto;\n    box-shadow: none;\n\n    // Adjust spacing on first child\n    > :first-child {\n      margin-top: 0.5em;\n    }\n\n    // Adjust spacing on last child\n    > :last-child {\n      margin-bottom: 0.5em;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Details\n  details {\n    @extend .admonition;\n\n    display: flow-root;\n    padding-top: 0;\n    overflow: visible;\n\n    // Details title icon - rotate icon on transition to open state\n    &[open] > summary::after {\n      transform: rotate(90deg);\n    }\n\n    // Adjust spacing for details in closed state\n    &:not([open]) {\n      padding-bottom: 0;\n      box-shadow: none;\n\n      // Hack: we cannot set `overflow: hidden` on the `details` element (which\n      // is why we set it to `overflow: visible`, as the outline would not be\n      // visible when focusing. Therefore, we must set the border radius on the\n      // summary explicitly.\n      > summary {\n        border-radius: px2rem(2px);\n      }\n    }\n\n    // Hack: omit margin collapse\n    &::after {\n      display: table;\n      content: \"\";\n    }\n  }\n\n  // Details title\n  summary {\n    @extend .admonition-title;\n\n    display: block;\n    min-height: px2rem(20px);\n    padding: px2rem(8px) px2rem(36px) px2rem(8px) px2rem(40px);\n    border-top-left-radius: px2rem(2px);\n    border-top-right-radius: px2rem(2px);\n    cursor: pointer;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding: px2rem(8px) px2rem(44px) px2rem(8px) px2rem(36px);\n    }\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n      -webkit-tap-highlight-color: transparent;\n    }\n\n    // Details marker\n    &::after {\n      position: absolute;\n      top: px2rem(8px);\n      right: px2rem(8px);\n      width: px2rem(20px);\n      height: px2rem(20px);\n      background-color: currentColor;\n      mask-image: var(--md-details-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      transform: rotate(0deg);\n      transition: transform 250ms;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: initial;\n        left: px2rem(8px);\n        transform: rotate(180deg);\n      }\n    }\n\n    // Hide native details marker\n    &::marker,\n    &::-webkit-details-marker {\n      display: none;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Emoji and icon container\n  .emojione,\n  .twemoji,\n  .gemoji {\n    display: inline-flex;\n    height: px2em(18px);\n    vertical-align: text-top;\n\n    // Icon - inlined via mkdocs-material-extensions\n    svg {\n      width: px2em(18px);\n      max-height: 100%;\n      fill: currentColor;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: syntax highlighting\n// ----------------------------------------------------------------------------\n\n// Code block\n.highlight {\n  .o,   // Operator\n  .ow { // Operator, word\n    color: var(--md-code-hl-operator-color);\n  }\n\n  .p {  // Punctuation\n    color: var(--md-code-hl-punctuation-color);\n  }\n\n  .cpf, // Comment, preprocessor file\n  .l,   // Literal\n  .s,   // Literal, string\n  .sb,  // Literal, string backticks\n  .sc,  // Literal, string char\n  .s2,  // Literal, string double\n  .si,  // Literal, string interpol\n  .s1,  // Literal, string single\n  .ss { // Literal, string symbol\n    color: var(--md-code-hl-string-color);\n  }\n\n  .cp,  // Comment, pre-processor\n  .se,  // Literal, string escape\n  .sh,  // Literal, string heredoc\n  .sr,  // Literal, string regex\n  .sx { // Literal, string other\n    color: var(--md-code-hl-special-color);\n  }\n\n  .m,   // Number\n  .mb,  // Number, binary\n  .mf,  // Number, float\n  .mh,  // Number, hex\n  .mi,  // Number, integer\n  .il,  // Number, integer long\n  .mo { // Number, octal\n    color: var(--md-code-hl-number-color);\n  }\n\n  .k,   // Keyword,\n  .kd,  // Keyword, declaration\n  .kn,  // Keyword, namespace\n  .kp,  // Keyword, pseudo\n  .kr,  // Keyword, reserved\n  .kt { // Keyword, type\n    color: var(--md-code-hl-keyword-color);\n  }\n\n  .kc,  // Keyword, constant\n  .n {  // Name\n    color: var(--md-code-hl-name-color);\n  }\n\n  .no,  // Name, constant\n  .nb,  // Name, builtin\n  .bp { // Name, builtin pseudo\n    color: var(--md-code-hl-constant-color);\n  }\n\n  .nc,  // Name, class\n  .ne,  // Name, exception\n  .nf,  // Name, function\n  .nn { // Name, namespace\n    color: var(--md-code-hl-function-color);\n  }\n\n  .nd,  // Name, decorator\n  .ni,  // Name, entity\n  .nl,  // Name, label\n  .nt { // Name, tag\n    color: var(--md-code-hl-keyword-color);\n  }\n\n  .c,   // Comment\n  .cm,  // Comment, multiline\n  .c1,  // Comment, single\n  .ch,  // Comment, shebang\n  .cs,  // Comment, special\n  .sd { // Literal, string doc\n    color: var(--md-code-hl-comment-color);\n  }\n\n  .na,  // Name, attribute\n  .nv,  // Variable,\n  .vc,  // Variable, class\n  .vg,  // Variable, global\n  .vi { // Variable, instance\n    color: var(--md-code-hl-variable-color);\n  }\n\n  .ge,  // Generic, emph\n  .gr,  // Generic, error\n  .gh,  // Generic, heading\n  .go,  // Generic, output\n  .gp,  // Generic, prompt\n  .gs,  // Generic, strong\n  .gu,  // Generic, subheading\n  .gt { // Generic, traceback\n    color: var(--md-code-hl-generic-color);\n  }\n\n  .gd,  // Diff, delete\n  .gi { // Diff, insert\n    margin: 0 px2em(-2px);\n    padding: 0 px2em(2px);\n    border-radius: px2rem(2px);\n  }\n\n  .gd { // Diff, delete\n    background-color: var(--md-typeset-del-color);\n  }\n\n  .gi { // Diff, insert\n    background-color: var(--md-typeset-ins-color);\n  }\n\n  // Highlighted line\n  .hll {\n    display: block;\n    margin: 0 px2em(-16px, 13.6px);\n    padding: 0 px2em(16px, 13.6px);\n    background-color: var(--md-code-hl-color);\n  }\n\n  // Code block line numbers (inline)\n  [data-linenos]::before {\n    position: sticky;\n    left: px2em(-16px, 13.6px);\n    float: left;\n    margin-right: px2em(16px, 13.6px);\n    margin-left: px2em(-16px, 13.6px);\n    padding-left: px2em(16px, 13.6px);\n    color: var(--md-default-fg-color--light);\n    background-color: var(--md-code-bg-color);\n    box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n    content: attr(data-linenos);\n    user-select: none;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Code block with line numbers\n.highlighttable {\n  display: flow-root;\n  overflow: hidden;\n\n  // Set table elements to block layout, because otherwise the whole flexbox\n  // hacking won't work correctly\n  tbody,\n  td {\n    display: block;\n    padding: 0;\n  }\n\n  // We need to use flexbox layout, because otherwise it's not possible to\n  // make the code container scroll while keeping the line numbers static\n  tr {\n    display: flex;\n  }\n\n  // The pre tags are nested inside a table, so we need to omit the margin\n  // because it collapses below all the overflows\n  pre {\n    margin: 0;\n  }\n\n  // Code block line numbers - disable user selection, so code can be easily\n  // copied without accidentally also copying the line numbers\n  .linenos {\n    padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n    padding-right: 0;\n    font-size: px2em(13.6px);\n    background-color: var(--md-code-bg-color);\n    user-select: none;\n  }\n\n  // Code block line numbers container\n  .linenodiv {\n    padding-right: px2em(8px, 13.6px);\n    box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n\n    // Adjust colors and alignment\n    pre {\n      color: var(--md-default-fg-color--light);\n      text-align: right;\n    }\n  }\n\n  // Code block container - stretch to remaining space\n  .code {\n    flex: 1;\n    overflow: hidden;\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Code block with line numbers\n  .highlighttable {\n    margin: 1em 0;\n    direction: ltr;\n    border-radius: px2rem(2px);\n\n    // Omit rounded borders on contained code block\n    code {\n      border-radius: 0;\n    }\n  }\n\n  // [mobile -]: Align with body copy\n  @include break-to-device(mobile) {\n\n    // Top-level code block\n    > .highlight {\n      margin: 1em px2rem(-16px);\n\n      // Highlighted line\n      .hll {\n        margin: 0 px2rem(-16px);\n        padding: 0 px2rem(16px);\n      }\n\n      // Omit rounded borders\n      code {\n        border-radius: 0;\n      }\n    }\n\n    // Top-level code block with line numbers\n    > .highlighttable {\n      margin: 1em px2rem(-16px);\n      border-radius: 0;\n\n      // Highlighted line\n      .hll {\n        margin: 0 px2rem(-16px);\n        padding: 0 px2rem(16px);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Tabbed block content\n  .tabbed-content {\n    display: none;\n    order: 99;\n    width: 100%;\n    box-shadow: 0 px2rem(-1px) var(--md-default-fg-color--lightest);\n\n    // [print]: Show all tabs (even hidden ones) when printing\n    @media print {\n      display: block;\n      order: initial;\n    }\n\n    // Code block is the only child of a tab - remove margin and mirror\n    // previous (now deprecated) SuperFences code block grouping behavior\n    > pre:only-child,\n    > .highlight:only-child pre,\n    > .highlighttable:only-child {\n      margin: 0;\n\n      // Omit rounded borders\n      > code {\n        border-top-left-radius: 0;\n        border-top-right-radius: 0;\n      }\n    }\n\n    // Adjust spacing for nested tab\n    > .tabbed-set {\n      margin: 0;\n    }\n  }\n\n  // Tabbed block container\n  .tabbed-set {\n    position: relative;\n    display: flex;\n    flex-wrap: wrap;\n    margin: 1em 0;\n    border-radius: px2rem(2px);\n\n    // Tab radio button - the Tabbed extension will generate radio buttons with\n    // labels, so tabs can be triggered without the necessity for JavaScript.\n    // This is pretty cool, as it has great accessibility out-of-the box, so\n    // we just hide the radio button and toggle the label color for indication.\n    > input {\n      position: absolute;\n      width: 0;\n      height: 0;\n      opacity: 0;\n\n      // Tab label for checked radio button\n      &:checked + label {\n        color: var(--md-accent-fg-color);\n        border-color: var(--md-accent-fg-color);\n\n        // Show tabbed block content\n        + .tabbed-content {\n          display: block;\n        }\n      }\n\n      // Tab label on focus\n      &:focus + label {\n        outline-style: auto;\n      }\n\n      // Hide outline for pointer devices\n      &:not(.focus-visible) + label {\n        outline: none;\n        -webkit-tap-highlight-color: transparent;\n      }\n    }\n\n    // Tab label\n    > label {\n      z-index: 1;\n      width: auto;\n      padding: px2em(12px, 12.8px) 1.25em px2em(10px, 12.8px);\n      color: var(--md-default-fg-color--light);\n      font-weight: 700;\n      font-size: px2rem(12.8px);\n      border-bottom: px2rem(2px) solid transparent;\n      cursor: pointer;\n      transition: color 250ms;\n\n      // Tab label on hover\n      &:hover {\n        color: var(--md-accent-fg-color);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-tasklist-icon:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n  --md-tasklist-icon--checked:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Tasklist item\n  .task-list-item {\n    position: relative;\n    list-style-type: none;\n\n    // Make checkbox items align with normal list items, but position\n    // everything in ems for correct layout at smaller font sizes\n    [type=\"checkbox\"] {\n      position: absolute;\n      top: 0.45em;\n      left: -2em;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: -2em;\n        left: initial;\n      }\n    }\n  }\n\n  // Hide native checkbox, when custom classes are enabled\n  .task-list-control [type=\"checkbox\"] {\n    z-index: -1;\n    opacity: 0;\n  }\n\n  // Tasklist indicator in unchecked state\n  .task-list-indicator::before {\n    position: absolute;\n    top: 0.15em;\n    left: px2em(-24px);\n    width: px2em(20px);\n    height: px2em(20px);\n    background-color: var(--md-default-fg-color--lightest);\n    mask-image: var(--md-tasklist-icon);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      right: px2em(-24px);\n      left: initial;\n    }\n  }\n\n  // Tasklist indicator in checked state\n  [type=\"checkbox\"]:checked + .task-list-indicator::before {\n    background-color: $clr-green-a400;\n    mask-image: var(--md-tasklist-icon--checked);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // [tablet +]: Allow for rendering content as sidebars\n  @include break-from-device(tablet) {\n\n    // Modifier to float block elements\n    .inline {\n      float: left;\n      width: px2rem(234px);\n      margin-top: 0;\n      margin-right: px2rem(16px);\n      margin-bottom: px2rem(16px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: right;\n        margin-right: 0;\n        margin-left: px2rem(16px);\n      }\n\n      // Modifier to move to end (ltr: right, rtl: left)\n      &.end {\n        float: right;\n        margin-right: 0;\n        margin-left: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          float: left;\n          margin-right: px2rem(16px);\n          margin-left: 0;\n        }\n      }\n    }\n  }\n}\n"]}
\ No newline at end of file
diff --git a/edge/assets/stylesheets/main.c772ddf0.min.css b/edge/assets/stylesheets/main.c772ddf0.min.css
deleted file mode 100644
index a64f822a..00000000
--- a/edge/assets/stylesheets/main.c772ddf0.min.css
+++ /dev/null
@@ -1,2 +0,0 @@
-@charset "UTF-8";html{box-sizing:border-box;-webkit-text-size-adjust:none;-ms-text-size-adjust:none;text-size-adjust:none}*,:after,:before{box-sizing:inherit}body{margin:0}a,button,input,label{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}hr{display:block;box-sizing:initial;height:.05rem;padding:0;overflow:visible;border:0}small{font-size:80%}sub,sup{line-height:1em}img{border-style:none}table{border-collapse:initial;border-spacing:0}td,th{font-weight:400;vertical-align:top}button{margin:0;padding:0;font-size:inherit;background:transparent;border:0}input{border:0;outline:none}:root{--md-default-fg-color:rgba(0,0,0,0.87);--md-default-fg-color--light:rgba(0,0,0,0.54);--md-default-fg-color--lighter:rgba(0,0,0,0.32);--md-default-fg-color--lightest:rgba(0,0,0,0.07);--md-default-bg-color:#fff;--md-default-bg-color--light:hsla(0,0%,100%,0.7);--md-default-bg-color--lighter:hsla(0,0%,100%,0.3);--md-default-bg-color--lightest:hsla(0,0%,100%,0.12);--md-primary-fg-color:#4051b5;--md-primary-fg-color--light:#5d6cc0;--md-primary-fg-color--dark:#303fa1;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7);--md-accent-fg-color:#526cfe;--md-accent-fg-color--transparent:rgba(83,108,254,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}:root>*{--md-code-fg-color:#36464e;--md-code-bg-color:#f5f5f5;--md-code-hl-color:rgba(255,255,0,0.5);--md-code-hl-number-color:#d52a2a;--md-code-hl-special-color:#db1457;--md-code-hl-function-color:#a846b9;--md-code-hl-constant-color:#6e59d9;--md-code-hl-keyword-color:#3f6ec6;--md-code-hl-string-color:#1c7d4d;--md-code-hl-name-color:var(--md-code-fg-color);--md-code-hl-operator-color:var(--md-default-fg-color--light);--md-code-hl-punctuation-color:var(--md-default-fg-color--light);--md-code-hl-comment-color:var(--md-default-fg-color--light);--md-code-hl-generic-color:var(--md-default-fg-color--light);--md-code-hl-variable-color:var(--md-default-fg-color--light);--md-typeset-color:var(--md-default-fg-color);--md-typeset-a-color:var(--md-primary-fg-color);--md-typeset-mark-color:rgba(255,255,0,0.5);--md-typeset-del-color:rgba(245,80,61,0.15);--md-typeset-ins-color:rgba(11,213,112,0.15);--md-typeset-kbd-color:#fafafa;--md-typeset-kbd-accent-color:#fff;--md-typeset-kbd-border-color:#b8b8b8;--md-admonition-fg-color:var(--md-default-fg-color);--md-admonition-bg-color:var(--md-default-bg-color);--md-footer-fg-color:#fff;--md-footer-fg-color--light:hsla(0,0%,100%,0.7);--md-footer-fg-color--lighter:hsla(0,0%,100%,0.3);--md-footer-bg-color:rgba(0,0,0,0.87);--md-footer-bg-color--dark:rgba(0,0,0,0.32)}.md-icon 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Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Keyframes\n// ----------------------------------------------------------------------------\n\n// Show repository facts\n@keyframes md-source__facts--done {\n  0% {\n    height: 0;\n  }\n\n  100% {\n    height: px2rem(13px);\n  }\n}\n\n// Show repository fact\n@keyframes md-source__fact--done {\n  0% {\n    transform: translateY(100%);\n    opacity: 0;\n  }\n\n  50% {\n    opacity: 0;\n  }\n\n  100% {\n    transform: translateY(0%);\n    opacity: 1;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Repository information\n.md-source {\n  display: block;\n  font-size: px2rem(13px);\n  line-height: 1.2;\n  white-space: nowrap;\n  // Hack: promote to own layer to reduce jitter\n  backface-visibility: hidden;\n  transition: opacity 250ms;\n\n  // Repository information on focus/hover\n  &:focus,\n  &:hover {\n    opacity: 0.7;\n  }\n\n  // Repository icon\n  &__icon {\n    display: inline-block;\n    width: px2rem(48px);\n    height: px2rem(48px);\n    vertical-align: middle;\n\n    // Align with margin only (as opposed to normal button alignment)\n    svg {\n      margin-top: px2rem(12px);\n      margin-left: px2rem(12px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(12px);\n        margin-left: initial;\n      }\n    }\n\n    // Adjust spacing if icon is present\n    + .md-source__repository {\n      margin-left: px2rem(-40px);\n      padding-left: px2rem(40px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(-40px);\n        margin-left: initial;\n        padding-right: px2rem(40px);\n        padding-left: initial;\n      }\n    }\n  }\n\n  // Repository name\n  &__repository {\n    display: inline-block;\n    max-width: calc(100% - #{px2rem(24px)});\n    margin-left: px2rem(12px);\n    overflow: hidden;\n    font-weight: 700;\n    text-overflow: ellipsis;\n    vertical-align: middle;\n  }\n\n  // Repository facts\n  &__facts {\n    margin: 0;\n    padding: 0;\n    overflow: hidden;\n    font-weight: 700;\n    font-size: px2rem(11px);\n    list-style-type: none;\n    opacity: 0.75;\n\n    // Show after the data was loaded\n    [data-md-state=\"done\"] & {\n      animation: md-source__facts--done 250ms ease-in;\n    }\n  }\n\n  // Repository fact\n  &__fact {\n    float: left;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      float: right;\n    }\n\n    // Show after the data was loaded\n    [data-md-state=\"done\"] & {\n      animation: md-source__fact--done 400ms ease-out;\n    }\n\n    // Middle dot before fact\n    &::before {\n      margin: 0 px2rem(2px);\n      content: \"\\00B7\";\n    }\n\n    // Remove middle dot on first fact\n    &:first-child::before {\n      display: none;\n    }\n  }\n}\n","@charset \"UTF-8\";\nhtml {\n  box-sizing: border-box;\n  text-size-adjust: none;\n}\n\n*,\n*::before,\n*::after {\n  box-sizing: inherit;\n}\n\nbody {\n  margin: 0;\n}\n\na,\nbutton,\nlabel,\ninput {\n  -webkit-tap-highlight-color: transparent;\n}\n\na {\n  color: inherit;\n  text-decoration: none;\n}\n\nhr {\n  display: block;\n  box-sizing: content-box;\n  height: 0.05rem;\n  padding: 0;\n  overflow: visible;\n  border: 0;\n}\n\nsmall {\n  font-size: 80%;\n}\n\nsub,\nsup {\n  line-height: 1em;\n}\n\nimg {\n  border-style: none;\n}\n\ntable {\n  border-collapse: separate;\n  border-spacing: 0;\n}\n\ntd,\nth {\n  font-weight: 400;\n  vertical-align: top;\n}\n\nbutton {\n  margin: 0;\n  padding: 0;\n  font-size: inherit;\n  background: transparent;\n  border: 0;\n}\n\ninput {\n  border: 0;\n  outline: none;\n}\n\n:root {\n  --md-default-fg-color: hsla(0, 0%, 0%, 0.87);\n  --md-default-fg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-default-fg-color--lighter: hsla(0, 0%, 0%, 0.32);\n  --md-default-fg-color--lightest: hsla(0, 0%, 0%, 0.07);\n  --md-default-bg-color: hsla(0, 0%, 100%, 1);\n  --md-default-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-default-bg-color--lighter: hsla(0, 0%, 100%, 0.3);\n  --md-default-bg-color--lightest: hsla(0, 0%, 100%, 0.12);\n  --md-primary-fg-color: hsla(231, 48%, 48%, 1);\n  --md-primary-fg-color--light: hsla(231, 44%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(232, 54%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n  --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n:root > * {\n  --md-code-fg-color: hsla(200, 18%, 26%, 1);\n  --md-code-bg-color: hsla(0, 0%, 96%, 1);\n  --md-code-hl-color: hsla(60, 100%, 50%, 0.5);\n  --md-code-hl-number-color: hsla(0, 67%, 50%, 1);\n  --md-code-hl-special-color: hsla(340, 83%, 47%, 1);\n  --md-code-hl-function-color: hsla(291, 45%, 50%, 1);\n  --md-code-hl-constant-color: hsla(250, 63%, 60%, 1);\n  --md-code-hl-keyword-color: hsla(219, 54%, 51%, 1);\n  --md-code-hl-string-color: hsla(150, 63%, 30%, 1);\n  --md-code-hl-name-color: var(--md-code-fg-color);\n  --md-code-hl-operator-color: var(--md-default-fg-color--light);\n  --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n  --md-code-hl-comment-color: var(--md-default-fg-color--light);\n  --md-code-hl-generic-color: var(--md-default-fg-color--light);\n  --md-code-hl-variable-color: var(--md-default-fg-color--light);\n  --md-typeset-color: var(--md-default-fg-color);\n  --md-typeset-a-color: var(--md-primary-fg-color);\n  --md-typeset-mark-color: hsla(60, 100%, 50%, 0.5);\n  --md-typeset-del-color: hsla(6, 90%, 60%, 0.15);\n  --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15);\n  --md-typeset-kbd-color: hsla(0, 0%, 98%, 1);\n  --md-typeset-kbd-accent-color: hsla(0, 100%, 100%, 1);\n  --md-typeset-kbd-border-color: hsla(0, 0%, 72%, 1);\n  --md-admonition-fg-color: var(--md-default-fg-color);\n  --md-admonition-bg-color: var(--md-default-bg-color);\n  --md-footer-fg-color: hsla(0, 0%, 100%, 1);\n  --md-footer-fg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-footer-fg-color--lighter: hsla(0, 0%, 100%, 0.3);\n  --md-footer-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-footer-bg-color--dark: hsla(0, 0%, 0%, 0.32);\n}\n\n.md-icon svg {\n  display: block;\n  width: 1.2rem;\n  height: 1.2rem;\n  fill: currentColor;\n}\n\nbody {\n  -webkit-font-smoothing: antialiased;\n  -moz-osx-font-smoothing: grayscale;\n}\n\nbody,\ninput {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\", \"liga\";\n  font-family: var(--md-text-font-family, _), -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\ncode,\npre,\nkbd {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\";\n  font-family: var(--md-code-font-family, _), SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n:root {\n  --md-typeset-table--ascending: svg-load(\"material/arrow-down.svg\");\n  --md-typeset-table--descending: svg-load(\"material/arrow-up.svg\");\n}\n\n.md-typeset {\n  font-size: 0.8rem;\n  line-height: 1.6;\n  color-adjust: exact;\n}\n@media print {\n  .md-typeset {\n    font-size: 0.68rem;\n  }\n}\n.md-typeset ul,\n.md-typeset ol,\n.md-typeset dl,\n.md-typeset figure,\n.md-typeset blockquote,\n.md-typeset pre {\n  display: flow-root;\n  margin: 1em 0;\n}\n.md-typeset h1 {\n  margin: 0 0 1.25em;\n  color: var(--md-default-fg-color--light);\n  font-weight: 300;\n  font-size: 2em;\n  line-height: 1.3;\n  letter-spacing: -0.01em;\n}\n.md-typeset h2 {\n  margin: 1.6em 0 0.64em;\n  font-weight: 300;\n  font-size: 1.5625em;\n  line-height: 1.4;\n  letter-spacing: -0.01em;\n}\n.md-typeset h3 {\n  margin: 1.6em 0 0.8em;\n  font-weight: 400;\n  font-size: 1.25em;\n  line-height: 1.5;\n  letter-spacing: -0.01em;\n}\n.md-typeset h2 + h3 {\n  margin-top: 0.8em;\n}\n.md-typeset h4 {\n  margin: 1em 0;\n  font-weight: 700;\n  letter-spacing: -0.01em;\n}\n.md-typeset h5,\n.md-typeset h6 {\n  margin: 1.25em 0;\n  color: var(--md-default-fg-color--light);\n  font-weight: 700;\n  font-size: 0.8em;\n  letter-spacing: -0.01em;\n}\n.md-typeset h5 {\n  text-transform: uppercase;\n}\n.md-typeset hr {\n  display: flow-root;\n  margin: 1.5em 0;\n  border-bottom: 0.05rem solid var(--md-default-fg-color--lightest);\n}\n.md-typeset a {\n  color: var(--md-typeset-a-color);\n  word-break: break-word;\n}\n.md-typeset a, .md-typeset a::before {\n  transition: color 125ms;\n}\n.md-typeset a:focus, .md-typeset a:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n  color: var(--md-code-fg-color);\n  direction: ltr;\n}\n@media print {\n  .md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n    white-space: pre-wrap;\n  }\n}\n.md-typeset code {\n  padding: 0 0.2941176471em;\n  font-size: 0.85em;\n  word-break: break-word;\n  background-color: var(--md-code-bg-color);\n  border-radius: 0.1rem;\n  box-decoration-break: clone;\n}\n.md-typeset code:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset h1 code,\n.md-typeset h2 code,\n.md-typeset h3 code,\n.md-typeset h4 code,\n.md-typeset h5 code,\n.md-typeset h6 code {\n  margin: initial;\n  padding: initial;\n  background-color: transparent;\n  box-shadow: none;\n}\n.md-typeset a code {\n  color: currentColor;\n}\n.md-typeset pre {\n  position: relative;\n  line-height: 1.4;\n}\n.md-typeset pre > code {\n  display: block;\n  margin: 0;\n  padding: 0.7720588235em 1.1764705882em;\n  overflow: auto;\n  word-break: normal;\n  box-shadow: none;\n  box-decoration-break: slice;\n  touch-action: auto;\n  scrollbar-width: thin;\n  scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-typeset pre > code:hover {\n  scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-typeset pre > code::-webkit-scrollbar {\n  width: 0.2rem;\n  height: 0.2rem;\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb {\n  background-color: var(--md-default-fg-color--lighter);\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb:hover {\n  background-color: var(--md-accent-fg-color);\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset > pre {\n    margin: 1em -0.8rem;\n  }\n  .md-typeset > pre code {\n    border-radius: 0;\n  }\n}\n.md-typeset kbd {\n  display: inline-block;\n  padding: 0 0.6666666667em;\n  color: var(--md-default-fg-color);\n  font-size: 0.75em;\n  vertical-align: text-top;\n  word-break: break-word;\n  background-color: var(--md-typeset-kbd-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.1rem 0 0.05rem var(--md-typeset-kbd-border-color), 0 0.1rem 0 var(--md-typeset-kbd-border-color), 0 -0.1rem 0.2rem var(--md-typeset-kbd-accent-color) inset;\n}\n.md-typeset mark {\n  color: inherit;\n  word-break: break-word;\n  background-color: var(--md-typeset-mark-color);\n  box-decoration-break: clone;\n}\n.md-typeset abbr {\n  text-decoration: none;\n  border-bottom: 0.05rem dotted var(--md-default-fg-color--light);\n  cursor: help;\n}\n@media (hover: none) {\n  .md-typeset abbr {\n    position: relative;\n  }\n  .md-typeset abbr[title]:focus::after, .md-typeset abbr[title]:hover::after {\n    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n    position: absolute;\n    left: 0;\n    display: inline-block;\n    width: auto;\n    min-width: max-content;\n    max-width: 80%;\n    margin-top: 2em;\n    padding: 0.2rem 0.3rem;\n    color: var(--md-default-bg-color);\n    font-size: 0.7rem;\n    background-color: var(--md-default-fg-color);\n    border-radius: 0.1rem;\n    content: attr(title);\n  }\n}\n.md-typeset small {\n  opacity: 0.75;\n}\n.md-typeset sup,\n.md-typeset sub {\n  margin-left: 0.078125em;\n}\n[dir=rtl] .md-typeset sup,\n[dir=rtl] .md-typeset sub {\n  margin-right: 0.078125em;\n  margin-left: initial;\n}\n.md-typeset blockquote {\n  padding-left: 0.6rem;\n  color: var(--md-default-fg-color--light);\n  border-left: 0.2rem solid var(--md-default-fg-color--lighter);\n}\n[dir=rtl] .md-typeset blockquote {\n  padding-right: 0.6rem;\n  padding-left: initial;\n  border-right: 0.2rem solid var(--md-default-fg-color--lighter);\n  border-left: initial;\n}\n.md-typeset ul {\n  list-style-type: disc;\n}\n.md-typeset ul,\n.md-typeset ol {\n  margin-left: 0.625em;\n  padding: 0;\n}\n[dir=rtl] .md-typeset ul,\n[dir=rtl] .md-typeset ol {\n  margin-right: 0.625em;\n  margin-left: initial;\n}\n.md-typeset ul ol,\n.md-typeset ol ol {\n  list-style-type: lower-alpha;\n}\n.md-typeset ul ol ol,\n.md-typeset ol ol ol {\n  list-style-type: lower-roman;\n}\n.md-typeset ul li,\n.md-typeset ol li {\n  margin-bottom: 0.5em;\n  margin-left: 1.25em;\n}\n[dir=rtl] .md-typeset ul li,\n[dir=rtl] .md-typeset ol li {\n  margin-right: 1.25em;\n  margin-left: initial;\n}\n.md-typeset ul li p,\n.md-typeset ul li blockquote,\n.md-typeset ol li p,\n.md-typeset ol li blockquote {\n  margin: 0.5em 0;\n}\n.md-typeset ul li:last-child,\n.md-typeset ol li:last-child {\n  margin-bottom: 0;\n}\n.md-typeset ul li ul,\n.md-typeset ul li ol,\n.md-typeset ol li ul,\n.md-typeset ol li ol {\n  margin: 0.5em 0 0.5em 0.625em;\n}\n[dir=rtl] .md-typeset ul li ul,\n[dir=rtl] .md-typeset ul li ol,\n[dir=rtl] .md-typeset ol li ul,\n[dir=rtl] .md-typeset ol li ol {\n  margin-right: 0.625em;\n  margin-left: initial;\n}\n.md-typeset dd {\n  margin: 1em 0 1.5em 1.875em;\n}\n[dir=rtl] .md-typeset dd {\n  margin-right: 1.875em;\n  margin-left: initial;\n}\n.md-typeset img,\n.md-typeset svg {\n  max-width: 100%;\n  height: auto;\n}\n.md-typeset img[align=left],\n.md-typeset svg[align=left] {\n  margin: 1em;\n  margin-left: 0;\n}\n.md-typeset img[align=right],\n.md-typeset svg[align=right] {\n  margin: 1em;\n  margin-right: 0;\n}\n.md-typeset img[align]:only-child,\n.md-typeset svg[align]:only-child {\n  margin-top: 0;\n}\n.md-typeset figure {\n  width: fit-content;\n  max-width: 100%;\n  margin: 0 auto;\n  text-align: center;\n}\n.md-typeset figure img {\n  display: block;\n}\n.md-typeset figcaption {\n  max-width: 24rem;\n  margin: 1em auto 2em;\n  font-style: italic;\n}\n.md-typeset iframe {\n  max-width: 100%;\n}\n.md-typeset table:not([class]) {\n  display: inline-block;\n  max-width: 100%;\n  overflow: auto;\n  font-size: 0.64rem;\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0 0.05rem rgba(0, 0, 0, 0.1);\n  touch-action: auto;\n}\n@media print {\n  .md-typeset table:not([class]) {\n    display: table;\n  }\n}\n.md-typeset table:not([class]) + * {\n  margin-top: 1.5em;\n}\n.md-typeset table:not([class]) th > *:first-child,\n.md-typeset table:not([class]) td > *:first-child {\n  margin-top: 0;\n}\n.md-typeset table:not([class]) th > *:last-child,\n.md-typeset table:not([class]) td > *:last-child {\n  margin-bottom: 0;\n}\n.md-typeset table:not([class]) th:not([align]),\n.md-typeset table:not([class]) td:not([align]) {\n  text-align: left;\n}\n[dir=rtl] .md-typeset table:not([class]) th:not([align]),\n[dir=rtl] .md-typeset table:not([class]) td:not([align]) {\n  text-align: right;\n}\n.md-typeset table:not([class]) th {\n  min-width: 5rem;\n  padding: 0.9375em 1.25em;\n  color: var(--md-default-bg-color);\n  vertical-align: top;\n  background-color: var(--md-default-fg-color--light);\n}\n.md-typeset table:not([class]) th a {\n  color: inherit;\n}\n.md-typeset table:not([class]) td {\n  padding: 0.9375em 1.25em;\n  vertical-align: top;\n  border-top: 0.05rem solid var(--md-default-fg-color--lightest);\n}\n.md-typeset table:not([class]) tr {\n  transition: background-color 125ms;\n}\n.md-typeset table:not([class]) tr:hover {\n  background-color: rgba(0, 0, 0, 0.035);\n  box-shadow: 0 0.05rem 0 var(--md-default-bg-color) inset;\n}\n.md-typeset table:not([class]) tr:first-child td {\n  border-top: 0;\n}\n.md-typeset table:not([class]) a {\n  word-break: normal;\n}\n.md-typeset table th[role=columnheader] {\n  cursor: pointer;\n}\n.md-typeset table th[role=columnheader]::after {\n  display: inline-block;\n  width: 1.2em;\n  height: 1.2em;\n  margin-left: 0.5em;\n  vertical-align: sub;\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n.md-typeset table th[role=columnheader][aria-sort=ascending]::after {\n  background-color: currentColor;\n  mask-image: var(--md-typeset-table--ascending);\n}\n.md-typeset table th[role=columnheader][aria-sort=descending]::after {\n  background-color: currentColor;\n  mask-image: var(--md-typeset-table--descending);\n}\n.md-typeset__scrollwrap {\n  margin: 1em -0.8rem;\n  overflow-x: auto;\n  touch-action: auto;\n}\n.md-typeset__table {\n  display: inline-block;\n  margin-bottom: 0.5em;\n  padding: 0 0.8rem;\n}\n@media print {\n  .md-typeset__table {\n    display: block;\n  }\n}\nhtml .md-typeset__table table {\n  display: table;\n  width: 100%;\n  margin: 0;\n  overflow: hidden;\n}\n\nhtml {\n  height: 100%;\n  overflow-x: hidden;\n  font-size: 125%;\n}\n@media screen and (min-width: 100em) {\n  html {\n    font-size: 137.5%;\n  }\n}\n@media screen and (min-width: 125em) {\n  html {\n    font-size: 150%;\n  }\n}\n\nbody {\n  position: relative;\n  display: flex;\n  flex-direction: column;\n  width: 100%;\n  min-height: 100%;\n  font-size: 0.5rem;\n  background-color: var(--md-default-bg-color);\n}\n@media print {\n  body {\n    display: block;\n  }\n}\n@media screen and (max-width: 59.9375em) {\n  body[data-md-state=lock] {\n    position: fixed;\n  }\n}\n\n.md-grid {\n  max-width: 61rem;\n  margin-right: auto;\n  margin-left: auto;\n}\n\n.md-container {\n  display: flex;\n  flex-direction: column;\n  flex-grow: 1;\n}\n@media print {\n  .md-container {\n    display: block;\n  }\n}\n\n.md-main {\n  flex-grow: 1;\n}\n.md-main__inner {\n  display: flex;\n  height: 100%;\n  margin-top: 1.5rem;\n}\n\n.md-ellipsis {\n  overflow: hidden;\n  white-space: nowrap;\n  text-overflow: ellipsis;\n}\n\n.md-toggle {\n  display: none;\n}\n\n.md-skip {\n  position: fixed;\n  z-index: -1;\n  margin: 0.5rem;\n  padding: 0.3rem 0.5rem;\n  color: var(--md-default-bg-color);\n  font-size: 0.64rem;\n  background-color: var(--md-default-fg-color);\n  border-radius: 0.1rem;\n  transform: translateY(0.4rem);\n  opacity: 0;\n}\n.md-skip:focus {\n  z-index: 10;\n  transform: translateY(0);\n  opacity: 1;\n  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 175ms 75ms;\n}\n\n@page {\n  margin: 25mm;\n}\n.md-announce {\n  overflow: auto;\n  background-color: var(--md-footer-bg-color);\n}\n@media print {\n  .md-announce {\n    display: none;\n  }\n}\n.md-announce__inner {\n  margin: 0.6rem auto;\n  padding: 0 0.8rem;\n  color: var(--md-footer-fg-color);\n  font-size: 0.7rem;\n}\n\n:root {\n  --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n.md-clipboard {\n  position: absolute;\n  top: 0.5em;\n  right: 0.5em;\n  z-index: 1;\n  width: 1.5em;\n  height: 1.5em;\n  color: var(--md-default-fg-color--lightest);\n  border-radius: 0.1rem;\n  cursor: pointer;\n  transition: color 250ms;\n}\n@media print {\n  .md-clipboard {\n    display: none;\n  }\n}\n.md-clipboard:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n:hover > .md-clipboard {\n  color: var(--md-default-fg-color--light);\n}\n.md-clipboard:focus, .md-clipboard:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-clipboard::after {\n  display: block;\n  width: 1.125em;\n  height: 1.125em;\n  margin: 0 auto;\n  background-color: currentColor;\n  mask-image: var(--md-clipboard-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n.md-clipboard--inline {\n  cursor: pointer;\n}\n.md-clipboard--inline code {\n  transition: color 250ms, background-color 250ms;\n}\n.md-clipboard--inline:focus code, .md-clipboard--inline:hover code {\n  color: var(--md-accent-fg-color);\n  background-color: var(--md-accent-fg-color--transparent);\n}\n\n.md-content {\n  flex-grow: 1;\n  overflow: hidden;\n  scroll-padding-top: 51.2rem;\n}\n.md-content__inner {\n  margin: 0 0.8rem 1.2rem;\n  padding-top: 0.6rem;\n}\n@media screen and (min-width: 76.25em) {\n  .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-left: 1.2rem;\n  }\n  [dir=rtl] .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 1.2rem;\n    margin-left: 0.8rem;\n  }\n  .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 1.2rem;\n  }\n  [dir=rtl] .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n    margin-right: 0.8rem;\n    margin-left: 1.2rem;\n  }\n}\n.md-content__inner::before {\n  display: block;\n  height: 0.4rem;\n  content: \"\";\n}\n.md-content__inner > :last-child {\n  margin-bottom: 0;\n}\n.md-content__button {\n  float: right;\n  margin: 0.4rem 0;\n  margin-left: 0.4rem;\n  padding: 0;\n}\n@media print {\n  .md-content__button {\n    display: none;\n  }\n}\n[dir=rtl] .md-content__button {\n  float: left;\n  margin-right: 0.4rem;\n  margin-left: initial;\n}\n[dir=rtl] .md-content__button svg {\n  transform: scaleX(-1);\n}\n.md-typeset .md-content__button {\n  color: var(--md-default-fg-color--lighter);\n}\n.md-content__button svg {\n  display: inline;\n  vertical-align: top;\n}\n\n.md-dialog {\n  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n  position: fixed;\n  right: 0.8rem;\n  bottom: 0.8rem;\n  left: initial;\n  z-index: 2;\n  min-width: 11.1rem;\n  padding: 0.4rem 0.6rem;\n  background-color: var(--md-default-fg-color);\n  border-radius: 0.1rem;\n  transform: translateY(100%);\n  opacity: 0;\n  transition: transform 0ms 400ms, opacity 400ms;\n  pointer-events: none;\n}\n@media print {\n  .md-dialog {\n    display: none;\n  }\n}\n[dir=rtl] .md-dialog {\n  right: initial;\n  left: 0.8rem;\n}\n.md-dialog[data-md-state=open] {\n  transform: translateY(0);\n  opacity: 1;\n  transition: transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1), opacity 400ms;\n  pointer-events: initial;\n}\n.md-dialog__inner {\n  color: var(--md-default-bg-color);\n  font-size: 0.7rem;\n}\n\n.md-typeset .md-button {\n  display: inline-block;\n  padding: 0.625em 2em;\n  color: var(--md-primary-fg-color);\n  font-weight: 700;\n  border: 0.1rem solid currentColor;\n  border-radius: 0.1rem;\n  transition: color 125ms, background-color 125ms, border-color 125ms;\n}\n.md-typeset .md-button--primary {\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  border-color: var(--md-primary-fg-color);\n}\n.md-typeset .md-button:focus, .md-typeset .md-button:hover {\n  color: var(--md-accent-bg-color);\n  background-color: var(--md-accent-fg-color);\n  border-color: var(--md-accent-fg-color);\n}\n.md-typeset .md-input {\n  height: 1.8rem;\n  padding: 0 0.6rem;\n  font-size: 0.8rem;\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.1);\n  transition: box-shadow 250ms;\n}\n.md-typeset .md-input:focus, .md-typeset .md-input:hover {\n  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.15), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.15);\n}\n.md-typeset .md-input--stretch {\n  width: 100%;\n}\n\n.md-header {\n  position: sticky;\n  top: 0;\n  right: 0;\n  left: 0;\n  z-index: 2;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0), 0 0.2rem 0.4rem rgba(0, 0, 0, 0);\n  transition: color 250ms, background-color 250ms;\n}\n@media print {\n  .md-header {\n    display: none;\n  }\n}\n.md-header[data-md-state=shadow] {\n  box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2);\n  transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), color 250ms, background-color 250ms, box-shadow 250ms;\n}\n.md-header[data-md-state=hidden] {\n  transform: translateY(-100%);\n  transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), color 250ms, background-color 250ms, box-shadow 250ms;\n}\n.md-header__inner {\n  display: flex;\n  align-items: center;\n  padding: 0 0.2rem;\n}\n.md-header__button {\n  position: relative;\n  z-index: 1;\n  display: inline-block;\n  margin: 0.2rem;\n  padding: 0.4rem;\n  color: currentColor;\n  vertical-align: middle;\n  cursor: pointer;\n  transition: opacity 250ms;\n}\n.md-header__button:focus, .md-header__button:hover {\n  opacity: 0.7;\n}\n.md-header__button:not(.focus-visible) {\n  outline: none;\n}\n.md-header__button.md-logo {\n  margin: 0.2rem;\n  padding: 0.4rem;\n}\n@media screen and (max-width: 76.1875em) {\n  .md-header__button.md-logo {\n    display: none;\n  }\n}\n.md-header__button.md-logo img,\n.md-header__button.md-logo svg {\n  display: block;\n  width: 1.2rem;\n  height: 1.2rem;\n  fill: currentColor;\n}\n@media screen and (min-width: 60em) {\n  .md-header__button[for=__search] {\n    display: none;\n  }\n}\n.no-js .md-header__button[for=__search] {\n  display: none;\n}\n[dir=rtl] .md-header__button[for=__search] svg {\n  transform: scaleX(-1);\n}\n@media screen and (min-width: 76.25em) {\n  .md-header__button[for=__drawer] {\n    display: none;\n  }\n}\n.md-header__topic {\n  position: absolute;\n  display: flex;\n  max-width: 100%;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n}\n.md-header__topic + .md-header__topic {\n  z-index: -1;\n  transform: translateX(1.25rem);\n  opacity: 0;\n  transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-header__topic + .md-header__topic {\n  transform: translateX(-1.25rem);\n}\n.md-header__title {\n  flex-grow: 1;\n  height: 2.4rem;\n  margin-right: 0.4rem;\n  margin-left: 1rem;\n  font-size: 0.9rem;\n  line-height: 2.4rem;\n}\n.md-header__title[data-md-state=active] .md-header__topic {\n  z-index: -1;\n  transform: translateX(-1.25rem);\n  opacity: 0;\n  transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-header__title[data-md-state=active] .md-header__topic {\n  transform: translateX(1.25rem);\n}\n.md-header__title[data-md-state=active] .md-header__topic + .md-header__topic {\n  z-index: 0;\n  transform: translateX(0);\n  opacity: 1;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n  pointer-events: initial;\n}\n.md-header__title > .md-header__ellipsis {\n  position: relative;\n  width: 100%;\n  height: 100%;\n}\n.md-header__options {\n  display: flex;\n  flex-shrink: 0;\n  max-width: 100%;\n  white-space: nowrap;\n  transition: max-width 0ms 250ms, opacity 250ms 250ms;\n}\n.md-header__options > [data-md-state=hidden] {\n  display: none;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-header__options {\n  max-width: 0;\n  opacity: 0;\n  transition: max-width 0ms, opacity 0ms;\n}\n.md-header__source {\n  display: none;\n}\n@media screen and (min-width: 60em) {\n  .md-header__source {\n    display: block;\n    width: 11.7rem;\n    max-width: 11.7rem;\n    margin-left: 1rem;\n  }\n  [dir=rtl] .md-header__source {\n    margin-right: 1rem;\n    margin-left: initial;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-header__source {\n    margin-left: 1.4rem;\n  }\n  [dir=rtl] .md-header__source {\n    margin-right: 1.4rem;\n  }\n}\n\n.md-footer {\n  color: var(--md-footer-fg-color);\n  background-color: var(--md-footer-bg-color);\n}\n@media print {\n  .md-footer {\n    display: none;\n  }\n}\n.md-footer__inner {\n  padding: 0.2rem;\n  overflow: auto;\n}\n.md-footer__link {\n  display: flex;\n  padding-top: 1.4rem;\n  padding-bottom: 0.4rem;\n  transition: opacity 250ms;\n}\n@media screen and (min-width: 45em) {\n  .md-footer__link {\n    width: 50%;\n  }\n}\n.md-footer__link:focus, .md-footer__link:hover {\n  opacity: 0.7;\n}\n.md-footer__link--prev {\n  float: left;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-footer__link--prev {\n    width: 25%;\n  }\n  .md-footer__link--prev .md-footer__title {\n    display: none;\n  }\n}\n[dir=rtl] .md-footer__link--prev {\n  float: right;\n}\n[dir=rtl] .md-footer__link--prev svg {\n  transform: scaleX(-1);\n}\n.md-footer__link--next {\n  float: right;\n  text-align: right;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-footer__link--next {\n    width: 75%;\n  }\n}\n[dir=rtl] .md-footer__link--next {\n  float: left;\n  text-align: left;\n}\n[dir=rtl] .md-footer__link--next svg {\n  transform: scaleX(-1);\n}\n.md-footer__title {\n  position: relative;\n  flex-grow: 1;\n  max-width: calc(100% - 2.4rem);\n  padding: 0 1rem;\n  font-size: 0.9rem;\n  line-height: 2.4rem;\n}\n.md-footer__button {\n  margin: 0.2rem;\n  padding: 0.4rem;\n}\n.md-footer__direction {\n  position: absolute;\n  right: 0;\n  left: 0;\n  margin-top: -1rem;\n  padding: 0 1rem;\n  font-size: 0.64rem;\n  opacity: 0.7;\n}\n\n.md-footer-meta {\n  background-color: var(--md-footer-bg-color--dark);\n}\n.md-footer-meta__inner {\n  display: flex;\n  flex-wrap: wrap;\n  justify-content: space-between;\n  padding: 0.2rem;\n}\nhtml .md-footer-meta.md-typeset a {\n  color: var(--md-footer-fg-color--light);\n}\nhtml .md-footer-meta.md-typeset a:focus, html .md-footer-meta.md-typeset a:hover {\n  color: var(--md-footer-fg-color);\n}\n\n.md-footer-copyright {\n  width: 100%;\n  margin: auto 0.6rem;\n  padding: 0.4rem 0;\n  color: var(--md-footer-fg-color--lighter);\n  font-size: 0.64rem;\n}\n@media screen and (min-width: 45em) {\n  .md-footer-copyright {\n    width: auto;\n  }\n}\n.md-footer-copyright__highlight {\n  color: var(--md-footer-fg-color--light);\n}\n\n.md-footer-social {\n  margin: 0 0.4rem;\n  padding: 0.2rem 0 0.6rem;\n}\n@media screen and (min-width: 45em) {\n  .md-footer-social {\n    padding: 0.6rem 0;\n  }\n}\n.md-footer-social__link {\n  display: inline-block;\n  width: 1.6rem;\n  height: 1.6rem;\n  text-align: center;\n}\n.md-footer-social__link::before {\n  line-height: 1.9;\n}\n.md-footer-social__link svg {\n  max-height: 0.8rem;\n  vertical-align: -25%;\n  fill: currentColor;\n}\n\n:root {\n  --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n  --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n  --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n.md-nav {\n  font-size: 0.7rem;\n  line-height: 1.3;\n}\n.md-nav__title {\n  display: block;\n  padding: 0 0.6rem;\n  overflow: hidden;\n  font-weight: 700;\n  text-overflow: ellipsis;\n}\n.md-nav__title .md-nav__button {\n  display: none;\n}\n.md-nav__title .md-nav__button img {\n  width: auto;\n  height: 100%;\n}\n.md-nav__title .md-nav__button.md-logo img,\n.md-nav__title .md-nav__button.md-logo svg {\n  display: block;\n  width: 2.4rem;\n  height: 2.4rem;\n  fill: currentColor;\n}\n.md-nav__list {\n  margin: 0;\n  padding: 0;\n  list-style: none;\n}\n.md-nav__item {\n  padding: 0 0.6rem;\n}\n.md-nav__item .md-nav__item {\n  padding-right: 0;\n}\n[dir=rtl] .md-nav__item .md-nav__item {\n  padding-right: 0.6rem;\n  padding-left: 0;\n}\n.md-nav__link {\n  display: block;\n  margin-top: 0.625em;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  cursor: pointer;\n  transition: color 125ms;\n  scroll-snap-align: start;\n}\n.md-nav__link[data-md-state=blur] {\n  color: var(--md-default-fg-color--light);\n}\n.md-nav__item .md-nav__link--active {\n  color: var(--md-typeset-a-color);\n}\n.md-nav__item--nested > .md-nav__link {\n  color: inherit;\n}\n.md-nav__link:focus, .md-nav__link:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-nav--primary .md-nav__link[for=__toc] {\n  display: none;\n}\n.md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n  display: block;\n  width: 100%;\n  height: 100%;\n  mask-image: var(--md-toc-icon);\n  background-color: currentColor;\n}\n.md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n  display: none;\n}\n.md-nav__source {\n  display: none;\n}\n@media screen and (max-width: 76.1875em) {\n  .md-nav--primary, .md-nav--primary .md-nav {\n    position: absolute;\n    top: 0;\n    right: 0;\n    left: 0;\n    z-index: 1;\n    display: flex;\n    flex-direction: column;\n    height: 100%;\n    background-color: var(--md-default-bg-color);\n  }\n  .md-nav--primary .md-nav__title,\n.md-nav--primary .md-nav__item {\n    font-size: 0.8rem;\n    line-height: 1.5;\n  }\n  .md-nav--primary .md-nav__title {\n    position: relative;\n    height: 5.6rem;\n    padding: 3rem 0.8rem 0.2rem;\n    color: var(--md-default-fg-color--light);\n    font-weight: 400;\n    line-height: 2.4rem;\n    white-space: nowrap;\n    background-color: var(--md-default-fg-color--lightest);\n    cursor: pointer;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon {\n    position: absolute;\n    top: 0.4rem;\n    left: 0.4rem;\n    display: block;\n    width: 1.2rem;\n    height: 1.2rem;\n    margin: 0.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__title .md-nav__icon {\n    right: 0.4rem;\n    left: initial;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon::after {\n    display: block;\n    width: 100%;\n    height: 100%;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--prev);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  .md-nav--primary .md-nav__title ~ .md-nav__list {\n    overflow-y: auto;\n    background-color: var(--md-default-bg-color);\n    box-shadow: 0 0.05rem 0 var(--md-default-fg-color--lightest) inset;\n    scroll-snap-type: y mandatory;\n    touch-action: pan-y;\n  }\n  .md-nav--primary .md-nav__title ~ .md-nav__list > :first-child {\n    border-top: 0;\n  }\n  .md-nav--primary .md-nav__title[for=__drawer] {\n    color: var(--md-primary-bg-color);\n    background-color: var(--md-primary-fg-color);\n  }\n  .md-nav--primary .md-nav__title .md-logo {\n    position: absolute;\n    top: 0.2rem;\n    left: 0.2rem;\n    display: block;\n    margin: 0.2rem;\n    padding: 0.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__title .md-logo {\n    right: 0.2rem;\n    left: initial;\n  }\n  .md-nav--primary .md-nav__list {\n    flex: 1;\n  }\n  .md-nav--primary .md-nav__item {\n    padding: 0;\n    border-top: 0.05rem solid var(--md-default-fg-color--lightest);\n  }\n  .md-nav--primary .md-nav__item--nested > .md-nav__link {\n    padding-right: 2.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__item--nested > .md-nav__link {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--primary .md-nav__item--active > .md-nav__link {\n    color: var(--md-typeset-a-color);\n  }\n  .md-nav--primary .md-nav__item--active > .md-nav__link:focus, .md-nav--primary .md-nav__item--active > .md-nav__link:hover {\n    color: var(--md-accent-fg-color);\n  }\n  .md-nav--primary .md-nav__link {\n    position: relative;\n    margin-top: 0;\n    padding: 0.6rem 0.8rem;\n  }\n  .md-nav--primary .md-nav__link .md-nav__icon {\n    position: absolute;\n    top: 50%;\n    right: 0.6rem;\n    width: 1.2rem;\n    height: 1.2rem;\n    margin-top: -0.6rem;\n    color: inherit;\n    font-size: 1.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__link .md-nav__icon {\n    right: initial;\n    left: 0.6rem;\n  }\n  .md-nav--primary .md-nav__link .md-nav__icon::after {\n    display: block;\n    width: 100%;\n    height: 100%;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--next);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  [dir=rtl] .md-nav--primary .md-nav__icon::after {\n    transform: scale(-1);\n  }\n  .md-nav--primary .md-nav--secondary .md-nav__link {\n    position: static;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav {\n    position: static;\n    background-color: transparent;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n    padding-left: 1.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n    padding-right: 1.4rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n    padding-left: 2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n    padding-right: 2rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n    padding-left: 2.6rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n    padding-right: 2.6rem;\n    padding-left: initial;\n  }\n  .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n    padding-left: 3.2rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n    padding-right: 3.2rem;\n    padding-left: initial;\n  }\n  .md-nav--secondary {\n    background-color: transparent;\n  }\n  .md-nav__toggle ~ .md-nav {\n    display: flex;\n    transform: translateX(100%);\n    opacity: 0;\n    transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), opacity 125ms 50ms;\n  }\n  [dir=rtl] .md-nav__toggle ~ .md-nav {\n    transform: translateX(-100%);\n  }\n  .md-nav__toggle:checked ~ .md-nav {\n    transform: translateX(0);\n    opacity: 1;\n    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 125ms 125ms;\n  }\n  .md-nav__toggle:checked ~ .md-nav > .md-nav__list {\n    backface-visibility: hidden;\n  }\n}\n@media screen and (max-width: 59.9375em) {\n  .md-nav--primary .md-nav__link[for=__toc] {\n    display: block;\n    padding-right: 2.4rem;\n  }\n  [dir=rtl] .md-nav--primary .md-nav__link[for=__toc] {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n    content: \"\";\n  }\n  .md-nav--primary .md-nav__link[for=__toc] + .md-nav__link {\n    display: none;\n  }\n  .md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n    display: flex;\n  }\n  .md-nav__source {\n    display: block;\n    padding: 0 0.2rem;\n    color: var(--md-primary-bg-color);\n    background-color: var(--md-primary-fg-color--dark);\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-nav--integrated .md-nav__link[for=__toc] {\n    display: block;\n    padding-right: 2.4rem;\n    scroll-snap-align: initial;\n  }\n  [dir=rtl] .md-nav--integrated .md-nav__link[for=__toc] {\n    padding-right: 0.8rem;\n    padding-left: 2.4rem;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] .md-icon::after {\n    content: \"\";\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] + .md-nav__link {\n    display: none;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav {\n    display: flex;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-nav--secondary .md-nav__title[for=__toc] {\n    scroll-snap-align: start;\n  }\n  .md-nav--secondary .md-nav__title .md-nav__icon {\n    display: none;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-nav {\n    transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n  }\n  .md-nav--primary .md-nav__title[for=__drawer] {\n    scroll-snap-align: start;\n  }\n  .md-nav--primary .md-nav__title .md-nav__icon {\n    display: none;\n  }\n  .md-nav__toggle ~ .md-nav {\n    display: none;\n  }\n  .md-nav__toggle:checked ~ .md-nav, .md-nav__toggle:indeterminate ~ .md-nav {\n    display: block;\n  }\n  .md-nav__item--nested > .md-nav > .md-nav__title {\n    display: none;\n  }\n  .md-nav__item--section {\n    display: block;\n    margin: 1.25em 0;\n  }\n  .md-nav__item--section:last-child {\n    margin-bottom: 0;\n  }\n  .md-nav__item--section > .md-nav__link {\n    display: none;\n  }\n  .md-nav__item--section > .md-nav {\n    display: block;\n  }\n  .md-nav__item--section > .md-nav > .md-nav__title {\n    display: block;\n    padding: 0;\n    pointer-events: none;\n    scroll-snap-align: start;\n  }\n  .md-nav__item--section > .md-nav > .md-nav__list > .md-nav__item {\n    padding: 0;\n  }\n  .md-nav__icon {\n    float: right;\n    width: 0.9rem;\n    height: 0.9rem;\n    transition: transform 250ms;\n  }\n  [dir=rtl] .md-nav__icon {\n    float: left;\n    transform: rotate(180deg);\n  }\n  .md-nav__icon::after {\n    display: inline-block;\n    width: 100%;\n    height: 100%;\n    vertical-align: -0.1rem;\n    background-color: currentColor;\n    mask-image: var(--md-nav-icon--next);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n  .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon, .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link .md-nav__icon {\n    transform: rotate(90deg);\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--nested,\n.md-nav--lifted > .md-nav__title {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active {\n    display: block;\n    padding: 0;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link {\n    display: none;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav > .md-nav__title {\n    display: block;\n    padding: 0 0.6rem;\n    pointer-events: none;\n    scroll-snap-align: start;\n  }\n  .md-nav--lifted > .md-nav__list > .md-nav__item > .md-nav__item {\n    padding-right: 0.6rem;\n  }\n  .md-nav--lifted .md-nav[data-md-level=\"1\"] {\n    display: block;\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav {\n    display: block;\n    margin-bottom: 1.25em;\n    border-left: 0.05rem solid var(--md-primary-fg-color);\n  }\n  .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav > .md-nav__title {\n    display: none;\n  }\n}\n\n:root {\n  --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n.md-search {\n  position: relative;\n}\n@media screen and (min-width: 60em) {\n  .md-search {\n    padding: 0.2rem 0;\n  }\n}\n.no-js .md-search {\n  display: none;\n}\n.md-search__overlay {\n  z-index: 1;\n  opacity: 0;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__overlay {\n    position: absolute;\n    top: 0.2rem;\n    left: -2.2rem;\n    width: 2rem;\n    height: 2rem;\n    overflow: hidden;\n    background-color: var(--md-default-bg-color);\n    border-radius: 1rem;\n    transform-origin: center;\n    transition: transform 300ms 100ms, opacity 200ms 200ms;\n    pointer-events: none;\n  }\n  [dir=rtl] .md-search__overlay {\n    right: -2.2rem;\n    left: initial;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    opacity: 1;\n    transition: transform 400ms, opacity 100ms;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__overlay {\n    position: fixed;\n    top: 0;\n    left: 0;\n    width: 0;\n    height: 0;\n    background-color: rgba(0, 0, 0, 0.54);\n    cursor: pointer;\n    transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n  }\n  [dir=rtl] .md-search__overlay {\n    right: 0;\n    left: initial;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    width: 100%;\n    height: 200vh;\n    opacity: 1;\n    transition: width 0ms, height 0ms, opacity 250ms;\n  }\n}\n@media screen and (max-width: 29.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(45);\n  }\n}\n@media screen and (min-width: 30em) and (max-width: 44.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(60);\n  }\n}\n@media screen and (min-width: 45em) and (max-width: 59.9375em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n    transform: scale(75);\n  }\n}\n.md-search__inner {\n  backface-visibility: hidden;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__inner {\n    position: fixed;\n    top: 0;\n    left: 100%;\n    z-index: 2;\n    width: 100%;\n    height: 100%;\n    transform: translateX(5%);\n    opacity: 0;\n    transition: right 0ms 300ms, left 0ms 300ms, transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1), opacity 150ms 150ms;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    left: 0;\n    transform: translateX(0);\n    opacity: 1;\n    transition: right 0ms 0ms, left 0ms 0ms, transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms 150ms;\n  }\n  [dir=rtl] [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    right: 0;\n    left: initial;\n  }\n  html [dir=rtl] .md-search__inner {\n    right: 100%;\n    left: initial;\n    transform: translateX(-5%);\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__inner {\n    position: relative;\n    float: right;\n    width: 11.7rem;\n    padding: 0.1rem 0;\n    transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n  }\n  [dir=rtl] .md-search__inner {\n    float: left;\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    width: 23.4rem;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n    width: 34.4rem;\n  }\n}\n.md-search__form {\n  position: relative;\n}\n@media screen and (min-width: 60em) {\n  .md-search__form {\n    border-radius: 0.1rem;\n  }\n}\n.md-search__input {\n  position: relative;\n  z-index: 2;\n  padding: 0 2.2rem 0 3.6rem;\n  text-overflow: ellipsis;\n  background-color: var(--md-default-bg-color);\n  box-shadow: 0 0 0.6rem transparent;\n  transition: color 250ms, background-color 250ms, box-shadow 250ms;\n}\n[dir=rtl] .md-search__input {\n  padding: 0 3.6rem 0 2.2rem;\n}\n.md-search__input::placeholder {\n  transition: color 250ms;\n}\n.md-search__input ~ .md-search__icon, .md-search__input::placeholder {\n  color: var(--md-default-fg-color--light);\n}\n.md-search__input::-ms-clear {\n  display: none;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input {\n  box-shadow: 0 0 0.6rem rgba(0, 0, 0, 0.07);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__input {\n    width: 100%;\n    height: 2.4rem;\n    font-size: 0.9rem;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__input {\n    width: 100%;\n    height: 1.8rem;\n    padding-left: 2.2rem;\n    color: inherit;\n    font-size: 0.8rem;\n    background-color: rgba(0, 0, 0, 0.26);\n    border-radius: 0.1rem;\n  }\n  [dir=rtl] .md-search__input {\n    padding-right: 2.2rem;\n  }\n  .md-search__input + .md-search__icon {\n    color: var(--md-primary-bg-color);\n  }\n  .md-search__input::placeholder {\n    color: var(--md-primary-bg-color--light);\n  }\n  .md-search__input:hover {\n    background-color: rgba(255, 255, 255, 0.12);\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__input {\n    color: var(--md-default-fg-color);\n    text-overflow: clip;\n    background-color: var(--md-default-bg-color);\n    border-radius: 0.1rem 0.1rem 0 0;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__input + .md-search__icon, [data-md-toggle=search]:checked ~ .md-header .md-search__input::placeholder {\n    color: var(--md-default-fg-color--light);\n  }\n}\n.md-search__icon {\n  position: absolute;\n  z-index: 2;\n  width: 1.2rem;\n  height: 1.2rem;\n  cursor: pointer;\n  transition: color 250ms, opacity 250ms;\n}\n.md-search__icon:hover {\n  opacity: 0.7;\n}\n.md-search__icon[for=__search] {\n  top: 0.3rem;\n  left: 0.5rem;\n}\n[dir=rtl] .md-search__icon[for=__search] {\n  right: 0.5rem;\n  left: initial;\n}\n[dir=rtl] .md-search__icon[for=__search] svg {\n  transform: scaleX(-1);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__icon[for=__search] {\n    top: 0.6rem;\n    left: 0.8rem;\n  }\n  [dir=rtl] .md-search__icon[for=__search] {\n    right: 0.8rem;\n    left: initial;\n  }\n  .md-search__icon[for=__search] svg:first-child {\n    display: none;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__icon[for=__search] {\n    pointer-events: none;\n  }\n  .md-search__icon[for=__search] svg:last-child {\n    display: none;\n  }\n}\n.md-search__icon[type=reset] {\n  top: 0.3rem;\n  right: 0.5rem;\n  transform: scale(0.75);\n  opacity: 0;\n  transition: transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n  pointer-events: none;\n}\n[dir=rtl] .md-search__icon[type=reset] {\n  right: initial;\n  left: 0.5rem;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__icon[type=reset] {\n    top: 0.6rem;\n    right: 0.8rem;\n  }\n  [dir=rtl] .md-search__icon[type=reset] {\n    right: initial;\n    left: 0.8rem;\n  }\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=reset] {\n  transform: scale(1);\n  opacity: 1;\n  pointer-events: initial;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=reset]:hover {\n  opacity: 0.7;\n}\n.md-search__output {\n  position: absolute;\n  z-index: 1;\n  width: 100%;\n  overflow: hidden;\n  border-radius: 0 0 0.1rem 0.1rem;\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search__output {\n    top: 2.4rem;\n    bottom: 0;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__output {\n    top: 1.9rem;\n    opacity: 0;\n    transition: opacity 400ms;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__output {\n    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);\n    opacity: 1;\n  }\n}\n.md-search__scrollwrap {\n  height: 100%;\n  overflow-y: auto;\n  background-color: var(--md-default-bg-color);\n  backface-visibility: hidden;\n  touch-action: pan-y;\n}\n@media (max-resolution: 1dppx) {\n  .md-search__scrollwrap {\n    transform: translateZ(0);\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-search__scrollwrap {\n    width: 23.4rem;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-search__scrollwrap {\n    width: 34.4rem;\n  }\n}\n@media screen and (min-width: 60em) {\n  .md-search__scrollwrap {\n    max-height: 0;\n    scrollbar-width: thin;\n    scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n  }\n  [data-md-toggle=search]:checked ~ .md-header .md-search__scrollwrap {\n    max-height: 75vh;\n  }\n  .md-search__scrollwrap:hover {\n    scrollbar-color: var(--md-accent-fg-color) transparent;\n  }\n  .md-search__scrollwrap::-webkit-scrollbar {\n    width: 0.2rem;\n    height: 0.2rem;\n  }\n  .md-search__scrollwrap::-webkit-scrollbar-thumb {\n    background-color: var(--md-default-fg-color--lighter);\n  }\n  .md-search__scrollwrap::-webkit-scrollbar-thumb:hover {\n    background-color: var(--md-accent-fg-color);\n  }\n}\n\n.md-search-result {\n  color: var(--md-default-fg-color);\n  word-break: break-word;\n}\n.md-search-result__meta {\n  padding: 0 0.8rem;\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n  line-height: 1.8rem;\n  background-color: var(--md-default-fg-color--lightest);\n  scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__meta {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__meta {\n    padding-right: 2.2rem;\n    padding-left: initial;\n  }\n}\n.md-search-result__list {\n  margin: 0;\n  padding: 0;\n  list-style: none;\n}\n.md-search-result__item {\n  box-shadow: 0 -0.05rem 0 var(--md-default-fg-color--lightest);\n}\n.md-search-result__item:first-child {\n  box-shadow: none;\n}\n.md-search-result__link {\n  display: block;\n  outline: none;\n  transition: background-color 250ms;\n  scroll-snap-align: start;\n}\n.md-search-result__link:focus, .md-search-result__link:hover {\n  background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__link:last-child p:last-child {\n  margin-bottom: 0.6rem;\n}\n.md-search-result__more summary {\n  display: block;\n  padding: 0.75em 0.8rem;\n  color: var(--md-typeset-a-color);\n  font-size: 0.64rem;\n  outline: 0;\n  cursor: pointer;\n  transition: color 250ms, background-color 250ms;\n  scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__more summary {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__more summary {\n    padding-right: 2.2rem;\n    padding-left: 0.8rem;\n  }\n}\n.md-search-result__more summary:focus, .md-search-result__more summary:hover {\n  color: var(--md-accent-fg-color);\n  background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__more summary::marker, .md-search-result__more summary::-webkit-details-marker {\n  display: none;\n}\n.md-search-result__more summary ~ * > * {\n  opacity: 0.65;\n}\n.md-search-result__article {\n  position: relative;\n  padding: 0 0.8rem;\n  overflow: hidden;\n}\n@media screen and (min-width: 60em) {\n  .md-search-result__article {\n    padding-left: 2.2rem;\n  }\n  [dir=rtl] .md-search-result__article {\n    padding-right: 2.2rem;\n    padding-left: 0.8rem;\n  }\n}\n.md-search-result__article--document .md-search-result__title {\n  margin: 0.55rem 0;\n  font-weight: 400;\n  font-size: 0.8rem;\n  line-height: 1.4;\n}\n.md-search-result__icon {\n  position: absolute;\n  left: 0;\n  width: 1.2rem;\n  height: 1.2rem;\n  margin: 0.5rem;\n  color: var(--md-default-fg-color--light);\n}\n@media screen and (max-width: 59.9375em) {\n  .md-search-result__icon {\n    display: none;\n  }\n}\n.md-search-result__icon::after {\n  display: inline-block;\n  width: 100%;\n  height: 100%;\n  background-color: currentColor;\n  mask-image: var(--md-search-result-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-search-result__icon {\n  right: 0;\n  left: initial;\n}\n[dir=rtl] .md-search-result__icon::after {\n  transform: scaleX(-1);\n}\n.md-search-result__title {\n  margin: 0.5em 0;\n  font-weight: 700;\n  font-size: 0.64rem;\n  line-height: 1.6;\n}\n.md-search-result__teaser {\n  display: -webkit-box;\n  max-height: 2rem;\n  margin: 0.5em 0;\n  overflow: hidden;\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n  line-height: 1.6;\n  text-overflow: ellipsis;\n  -webkit-box-orient: vertical;\n  -webkit-line-clamp: 2;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-search-result__teaser {\n    max-height: 3rem;\n    -webkit-line-clamp: 3;\n  }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n  .md-search-result__teaser {\n    max-height: 3rem;\n    -webkit-line-clamp: 3;\n  }\n}\n.md-search-result__teaser mark {\n  text-decoration: underline;\n  background-color: transparent;\n}\n.md-search-result__terms {\n  margin: 0.5em 0;\n  font-size: 0.64rem;\n  font-style: italic;\n}\n.md-search-result mark {\n  color: var(--md-accent-fg-color);\n  background-color: transparent;\n}\n\n.md-select {\n  position: relative;\n  z-index: 1;\n}\n.md-select__inner {\n  position: absolute;\n  top: calc(100% - 0.2rem);\n  left: 50%;\n  max-height: 0;\n  margin-top: 0.2rem;\n  color: var(--md-default-fg-color);\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n  transform: translate3d(-50%, 0.3rem, 0);\n  opacity: 0;\n  transition: transform 250ms 375ms, opacity 250ms 250ms, max-height 0ms 500ms;\n}\n.md-select:focus-within .md-select__inner, .md-select:hover .md-select__inner {\n  max-height: 10rem;\n  transform: translate3d(-50%, 0, 0);\n  opacity: 1;\n  transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms, max-height 250ms;\n}\n.md-select__inner::after {\n  position: absolute;\n  top: 0;\n  left: 50%;\n  width: 0;\n  height: 0;\n  margin-top: -0.2rem;\n  margin-left: -0.2rem;\n  border: 0.2rem solid transparent;\n  border-top: 0;\n  border-bottom-color: var(--md-default-bg-color);\n  content: \"\";\n}\n.md-select__list {\n  max-height: inherit;\n  margin: 0;\n  padding: 0;\n  overflow: auto;\n  font-size: 0.8rem;\n  list-style-type: none;\n  border-radius: 0.1rem;\n}\n.md-select__item {\n  line-height: 1.8rem;\n}\n.md-select__link {\n  display: block;\n  width: 100%;\n  padding-right: 1.2rem;\n  padding-left: 0.6rem;\n  cursor: pointer;\n  transition: background-color 250ms, color 250ms;\n  scroll-snap-align: start;\n}\n[dir=rtl] .md-select__link {\n  padding-right: 0.6rem;\n  padding-left: 1.2rem;\n}\n.md-select__link:focus, .md-select__link:hover {\n  background-color: var(--md-default-fg-color--lightest);\n}\n\n.md-sidebar {\n  position: sticky;\n  top: 2.4rem;\n  flex-shrink: 0;\n  align-self: flex-start;\n  width: 12.1rem;\n  padding: 1.2rem 0;\n}\n@media print {\n  .md-sidebar {\n    display: none;\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  .md-sidebar--primary {\n    position: fixed;\n    top: 0;\n    left: -12.1rem;\n    z-index: 3;\n    display: block;\n    width: 12.1rem;\n    height: 100%;\n    background-color: var(--md-default-bg-color);\n    transform: translateX(0);\n    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms;\n  }\n  [dir=rtl] .md-sidebar--primary {\n    right: -12.1rem;\n    left: initial;\n  }\n  [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n    box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);\n    transform: translateX(12.1rem);\n  }\n  [dir=rtl] [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n    transform: translateX(-12.1rem);\n  }\n  .md-sidebar--primary .md-sidebar__scrollwrap {\n    position: absolute;\n    top: 0;\n    right: 0;\n    bottom: 0;\n    left: 0;\n    margin: 0;\n    scroll-snap-type: none;\n    overflow: hidden;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  .md-sidebar {\n    height: 0;\n  }\n  .no-js .md-sidebar {\n    height: auto;\n  }\n}\n.md-sidebar--secondary {\n  display: none;\n  order: 2;\n}\n@media screen and (min-width: 60em) {\n  .md-sidebar--secondary {\n    height: 0;\n  }\n  .no-js .md-sidebar--secondary {\n    height: auto;\n  }\n  .md-sidebar--secondary:not([hidden]) {\n    display: block;\n  }\n  .md-sidebar--secondary .md-sidebar__scrollwrap {\n    touch-action: pan-y;\n  }\n}\n.md-sidebar__scrollwrap {\n  margin: 0 0.2rem;\n  overflow-y: auto;\n  backface-visibility: hidden;\n  scrollbar-width: thin;\n  scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-sidebar__scrollwrap:hover {\n  scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar {\n  width: 0.2rem;\n  height: 0.2rem;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb {\n  background-color: var(--md-default-fg-color--lighter);\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover {\n  background-color: var(--md-accent-fg-color);\n}\n\n@media screen and (max-width: 76.1875em) {\n  .md-overlay {\n    position: fixed;\n    top: 0;\n    z-index: 3;\n    width: 0;\n    height: 0;\n    background-color: rgba(0, 0, 0, 0.54);\n    opacity: 0;\n    transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n  }\n  [data-md-toggle=drawer]:checked ~ .md-overlay {\n    width: 100%;\n    height: 100%;\n    opacity: 1;\n    transition: width 0ms, height 0ms, opacity 250ms;\n  }\n}\n@keyframes md-source__facts--done {\n  0% {\n    height: 0;\n  }\n  100% {\n    height: 0.65rem;\n  }\n}\n@keyframes md-source__fact--done {\n  0% {\n    transform: translateY(100%);\n    opacity: 0;\n  }\n  50% {\n    opacity: 0;\n  }\n  100% {\n    transform: translateY(0%);\n    opacity: 1;\n  }\n}\n.md-source {\n  display: block;\n  font-size: 0.65rem;\n  line-height: 1.2;\n  white-space: nowrap;\n  backface-visibility: hidden;\n  transition: opacity 250ms;\n}\n.md-source:focus, .md-source:hover {\n  opacity: 0.7;\n}\n.md-source__icon {\n  display: inline-block;\n  width: 2.4rem;\n  height: 2.4rem;\n  vertical-align: middle;\n}\n.md-source__icon svg {\n  margin-top: 0.6rem;\n  margin-left: 0.6rem;\n}\n[dir=rtl] .md-source__icon svg {\n  margin-right: 0.6rem;\n  margin-left: initial;\n}\n.md-source__icon + .md-source__repository {\n  margin-left: -2rem;\n  padding-left: 2rem;\n}\n[dir=rtl] .md-source__icon + .md-source__repository {\n  margin-right: -2rem;\n  margin-left: initial;\n  padding-right: 2rem;\n  padding-left: initial;\n}\n.md-source__repository {\n  display: inline-block;\n  max-width: calc(100% - 1.2rem);\n  margin-left: 0.6rem;\n  overflow: hidden;\n  font-weight: 700;\n  text-overflow: ellipsis;\n  vertical-align: middle;\n}\n.md-source__facts {\n  margin: 0;\n  padding: 0;\n  overflow: hidden;\n  font-weight: 700;\n  font-size: 0.55rem;\n  list-style-type: none;\n  opacity: 0.75;\n}\n[data-md-state=done] .md-source__facts {\n  animation: md-source__facts--done 250ms ease-in;\n}\n.md-source__fact {\n  float: left;\n}\n[dir=rtl] .md-source__fact {\n  float: right;\n}\n[data-md-state=done] .md-source__fact {\n  animation: md-source__fact--done 400ms ease-out;\n}\n.md-source__fact::before {\n  margin: 0 0.1rem;\n  content: \"·\";\n}\n.md-source__fact:first-child::before {\n  display: none;\n}\n\n.md-tabs {\n  width: 100%;\n  overflow: auto;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  transition: background-color 250ms;\n}\n@media print {\n  .md-tabs {\n    display: none;\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  .md-tabs {\n    display: none;\n  }\n}\n.md-tabs[data-md-state=hidden] {\n  pointer-events: none;\n}\n.md-tabs__list {\n  margin: 0;\n  margin-left: 0.2rem;\n  padding: 0;\n  white-space: nowrap;\n  list-style: none;\n  contain: content;\n}\n[dir=rtl] .md-tabs__list {\n  margin-right: 0.2rem;\n  margin-left: initial;\n}\n.md-tabs__item {\n  display: inline-block;\n  height: 2.4rem;\n  padding-right: 0.6rem;\n  padding-left: 0.6rem;\n}\n.md-tabs__link {\n  display: block;\n  margin-top: 0.8rem;\n  font-size: 0.7rem;\n  backface-visibility: hidden;\n  opacity: 0.7;\n  transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms;\n}\n.md-tabs__link--active, .md-tabs__link:focus, .md-tabs__link:hover {\n  color: inherit;\n  opacity: 1;\n}\n.md-tabs__item:nth-child(2) .md-tabs__link {\n  transition-delay: 20ms;\n}\n.md-tabs__item:nth-child(3) .md-tabs__link {\n  transition-delay: 40ms;\n}\n.md-tabs__item:nth-child(4) .md-tabs__link {\n  transition-delay: 60ms;\n}\n.md-tabs__item:nth-child(5) .md-tabs__link {\n  transition-delay: 80ms;\n}\n.md-tabs__item:nth-child(6) .md-tabs__link {\n  transition-delay: 100ms;\n}\n.md-tabs__item:nth-child(7) .md-tabs__link {\n  transition-delay: 120ms;\n}\n.md-tabs__item:nth-child(8) .md-tabs__link {\n  transition-delay: 140ms;\n}\n.md-tabs__item:nth-child(9) .md-tabs__link {\n  transition-delay: 160ms;\n}\n.md-tabs__item:nth-child(10) .md-tabs__link {\n  transition-delay: 180ms;\n}\n.md-tabs__item:nth-child(11) .md-tabs__link {\n  transition-delay: 200ms;\n}\n.md-tabs__item:nth-child(12) .md-tabs__link {\n  transition-delay: 220ms;\n}\n.md-tabs__item:nth-child(13) .md-tabs__link {\n  transition-delay: 240ms;\n}\n.md-tabs__item:nth-child(14) .md-tabs__link {\n  transition-delay: 260ms;\n}\n.md-tabs__item:nth-child(15) .md-tabs__link {\n  transition-delay: 280ms;\n}\n.md-tabs__item:nth-child(16) .md-tabs__link {\n  transition-delay: 300ms;\n}\n.md-tabs[data-md-state=hidden] .md-tabs__link {\n  transform: translateY(50%);\n  opacity: 0;\n  transition: transform 0ms 100ms, opacity 100ms;\n}\n\n:root {\n  --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n.md-version {\n  flex-shrink: 0;\n  height: 2.4rem;\n  font-size: 0.8rem;\n}\n.md-version__current {\n  position: relative;\n  top: 0.05rem;\n  margin-right: 0.4rem;\n  margin-left: 1.4rem;\n}\n[dir=rtl] .md-version__current {\n  margin-right: 1.4rem;\n  margin-left: 0.4rem;\n}\n.md-version__current::after {\n  display: inline-block;\n  width: 0.4rem;\n  height: 0.6rem;\n  margin-left: 0.4rem;\n  background-color: currentColor;\n  mask-image: var(--md-version-icon);\n  mask-repeat: no-repeat;\n  content: \"\";\n}\n[dir=rtl] .md-version__current::after {\n  margin-right: 0.4rem;\n  margin-left: initial;\n}\n.md-version__list {\n  position: absolute;\n  top: 0.15rem;\n  z-index: 1;\n  max-height: 1.8rem;\n  margin: 0.2rem 0.8rem;\n  padding: 0;\n  overflow: auto;\n  color: var(--md-default-fg-color);\n  list-style-type: none;\n  background-color: var(--md-default-bg-color);\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n  opacity: 0;\n  transition: max-height 0ms 500ms, opacity 250ms 250ms;\n  scroll-snap-type: y mandatory;\n}\n.md-version__list:focus-within, .md-version__list:hover {\n  max-height: 10rem;\n  opacity: 1;\n  transition: max-height 250ms, opacity 250ms;\n}\n.md-version__item {\n  line-height: 1.8rem;\n}\n.md-version__link {\n  display: block;\n  width: 100%;\n  padding-right: 1.2rem;\n  padding-left: 0.6rem;\n  white-space: nowrap;\n  cursor: pointer;\n  transition: color 250ms, background-color 250ms;\n  scroll-snap-align: start;\n}\n[dir=rtl] .md-version__link {\n  padding-right: 0.6rem;\n  padding-left: 1.2rem;\n}\n.md-version__link:focus, .md-version__link:hover {\n  background-color: var(--md-default-fg-color--lightest);\n}\n\n:root {\n  --md-admonition-icon--note:\n    svg-load(\"material/pencil.svg\");\n  --md-admonition-icon--abstract:\n    svg-load(\"material/text-subject.svg\");\n  --md-admonition-icon--info:\n    svg-load(\"material/information.svg\");\n  --md-admonition-icon--tip:\n    svg-load(\"material/fire.svg\");\n  --md-admonition-icon--success:\n    svg-load(\"material/check-circle.svg\");\n  --md-admonition-icon--question:\n    svg-load(\"material/help-circle.svg\");\n  --md-admonition-icon--warning:\n    svg-load(\"material/alert.svg\");\n  --md-admonition-icon--failure:\n    svg-load(\"material/close-circle.svg\");\n  --md-admonition-icon--danger:\n    svg-load(\"material/flash-circle.svg\");\n  --md-admonition-icon--bug:\n    svg-load(\"material/bug.svg\");\n  --md-admonition-icon--example:\n    svg-load(\"material/format-list-numbered.svg\");\n  --md-admonition-icon--quote:\n    svg-load(\"material/format-quote-close.svg\");\n}\n\n.md-typeset .admonition, .md-typeset details {\n  margin: 1.5625em 0;\n  padding: 0 0.6rem;\n  overflow: hidden;\n  color: var(--md-admonition-fg-color);\n  font-size: 0.64rem;\n  page-break-inside: avoid;\n  background-color: var(--md-admonition-bg-color);\n  border-left: 0.2rem solid #448aff;\n  border-radius: 0.1rem;\n  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.05);\n}\n@media print {\n  .md-typeset .admonition, .md-typeset details {\n    box-shadow: none;\n  }\n}\n[dir=rtl] .md-typeset .admonition, [dir=rtl] .md-typeset details {\n  border-right: 0.2rem solid #448aff;\n  border-left: none;\n}\n.md-typeset .admonition .admonition, .md-typeset details .admonition, .md-typeset .admonition details, .md-typeset details details {\n  margin-top: 1em;\n  margin-bottom: 1em;\n}\n.md-typeset .admonition .md-typeset__scrollwrap, .md-typeset details .md-typeset__scrollwrap {\n  margin: 1em -0.6rem;\n}\n.md-typeset .admonition .md-typeset__table, .md-typeset details .md-typeset__table {\n  padding: 0 0.6rem;\n}\n.md-typeset .admonition > .tabbed-set:only-child, .md-typeset details > .tabbed-set:only-child {\n  margin-top: 0;\n}\nhtml .md-typeset .admonition > :last-child, html .md-typeset details > :last-child {\n  margin-bottom: 0.6rem;\n}\n.md-typeset .admonition-title, .md-typeset summary {\n  position: relative;\n  margin: 0 -0.6rem 0 -0.8rem;\n  padding: 0.4rem 0.6rem 0.4rem 2rem;\n  font-weight: 700;\n  background-color: rgba(68, 138, 255, 0.1);\n  border-left: 0.2rem solid #448aff;\n}\n[dir=rtl] .md-typeset .admonition-title, [dir=rtl] .md-typeset summary {\n  margin: 0 -0.8rem 0 -0.6rem;\n  padding: 0.4rem 2rem 0.4rem 0.6rem;\n  border-right: 0.2rem solid #448aff;\n  border-left: none;\n}\nhtml .md-typeset .admonition-title:last-child, html .md-typeset summary:last-child {\n  margin-bottom: 0;\n}\n.md-typeset .admonition-title::before, .md-typeset summary::before {\n  position: absolute;\n  left: 0.6rem;\n  width: 1rem;\n  height: 1rem;\n  background-color: #448aff;\n  mask-image: var(--md-admonition-icon--note);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .admonition-title::before, [dir=rtl] .md-typeset summary::before {\n  right: 0.6rem;\n  left: initial;\n}\n.md-typeset .admonition-title + .tabbed-set:last-child, .md-typeset summary + .tabbed-set:last-child {\n  margin-top: 0;\n}\n\n.md-typeset .admonition.note, .md-typeset details.note {\n  border-color: #448aff;\n}\n\n.md-typeset .note > .admonition-title, .md-typeset .note > summary {\n  background-color: rgba(68, 138, 255, 0.1);\n  border-color: #448aff;\n}\n.md-typeset .note > .admonition-title::before, .md-typeset .note > summary::before {\n  background-color: #448aff;\n  mask-image: var(--md-admonition-icon--note);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.abstract, .md-typeset details.abstract, .md-typeset .admonition.tldr, .md-typeset details.tldr, .md-typeset .admonition.summary, .md-typeset details.summary {\n  border-color: #00b0ff;\n}\n\n.md-typeset .abstract > .admonition-title, .md-typeset .abstract > summary, .md-typeset .tldr > .admonition-title, .md-typeset .tldr > summary, .md-typeset .summary > .admonition-title, .md-typeset .summary > summary {\n  background-color: rgba(0, 176, 255, 0.1);\n  border-color: #00b0ff;\n}\n.md-typeset .abstract > .admonition-title::before, .md-typeset .abstract > summary::before, .md-typeset .tldr > .admonition-title::before, .md-typeset .tldr > summary::before, .md-typeset .summary > .admonition-title::before, .md-typeset .summary > summary::before {\n  background-color: #00b0ff;\n  mask-image: var(--md-admonition-icon--abstract);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.info, .md-typeset details.info, .md-typeset .admonition.todo, .md-typeset details.todo {\n  border-color: #00b8d4;\n}\n\n.md-typeset .info > .admonition-title, .md-typeset .info > summary, .md-typeset .todo > .admonition-title, .md-typeset .todo > summary {\n  background-color: rgba(0, 184, 212, 0.1);\n  border-color: #00b8d4;\n}\n.md-typeset .info > .admonition-title::before, .md-typeset .info > summary::before, .md-typeset .todo > .admonition-title::before, .md-typeset .todo > summary::before {\n  background-color: #00b8d4;\n  mask-image: var(--md-admonition-icon--info);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.tip, .md-typeset details.tip, .md-typeset .admonition.important, .md-typeset details.important, .md-typeset .admonition.hint, .md-typeset details.hint {\n  border-color: #00bfa5;\n}\n\n.md-typeset .tip > .admonition-title, .md-typeset .tip > summary, .md-typeset .important > .admonition-title, .md-typeset .important > summary, .md-typeset .hint > .admonition-title, .md-typeset .hint > summary {\n  background-color: rgba(0, 191, 165, 0.1);\n  border-color: #00bfa5;\n}\n.md-typeset .tip > .admonition-title::before, .md-typeset .tip > summary::before, .md-typeset .important > .admonition-title::before, .md-typeset .important > summary::before, .md-typeset .hint > .admonition-title::before, .md-typeset .hint > summary::before {\n  background-color: #00bfa5;\n  mask-image: var(--md-admonition-icon--tip);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.success, .md-typeset details.success, .md-typeset .admonition.done, .md-typeset details.done, .md-typeset .admonition.check, .md-typeset details.check {\n  border-color: #00c853;\n}\n\n.md-typeset .success > .admonition-title, .md-typeset .success > summary, .md-typeset .done > .admonition-title, .md-typeset .done > summary, .md-typeset .check > .admonition-title, .md-typeset .check > summary {\n  background-color: rgba(0, 200, 83, 0.1);\n  border-color: #00c853;\n}\n.md-typeset .success > .admonition-title::before, .md-typeset .success > summary::before, .md-typeset .done > .admonition-title::before, .md-typeset .done > summary::before, .md-typeset .check > .admonition-title::before, .md-typeset .check > summary::before {\n  background-color: #00c853;\n  mask-image: var(--md-admonition-icon--success);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.question, .md-typeset details.question, .md-typeset .admonition.faq, .md-typeset details.faq, .md-typeset .admonition.help, .md-typeset details.help {\n  border-color: #64dd17;\n}\n\n.md-typeset .question > .admonition-title, .md-typeset .question > summary, .md-typeset .faq > .admonition-title, .md-typeset .faq > summary, .md-typeset .help > .admonition-title, .md-typeset .help > summary {\n  background-color: rgba(100, 221, 23, 0.1);\n  border-color: #64dd17;\n}\n.md-typeset .question > .admonition-title::before, .md-typeset .question > summary::before, .md-typeset .faq > .admonition-title::before, .md-typeset .faq > summary::before, .md-typeset .help > .admonition-title::before, .md-typeset .help > summary::before {\n  background-color: #64dd17;\n  mask-image: var(--md-admonition-icon--question);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.warning, .md-typeset details.warning, .md-typeset .admonition.attention, .md-typeset details.attention, .md-typeset .admonition.caution, .md-typeset details.caution {\n  border-color: #ff9100;\n}\n\n.md-typeset .warning > .admonition-title, .md-typeset .warning > summary, .md-typeset .attention > .admonition-title, .md-typeset .attention > summary, .md-typeset .caution > .admonition-title, .md-typeset .caution > summary {\n  background-color: rgba(255, 145, 0, 0.1);\n  border-color: #ff9100;\n}\n.md-typeset .warning > .admonition-title::before, .md-typeset .warning > summary::before, .md-typeset .attention > .admonition-title::before, .md-typeset .attention > summary::before, .md-typeset .caution > .admonition-title::before, .md-typeset .caution > summary::before {\n  background-color: #ff9100;\n  mask-image: var(--md-admonition-icon--warning);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.failure, .md-typeset details.failure, .md-typeset .admonition.missing, .md-typeset details.missing, .md-typeset .admonition.fail, .md-typeset details.fail {\n  border-color: #ff5252;\n}\n\n.md-typeset .failure > .admonition-title, .md-typeset .failure > summary, .md-typeset .missing > .admonition-title, .md-typeset .missing > summary, .md-typeset .fail > .admonition-title, .md-typeset .fail > summary {\n  background-color: rgba(255, 82, 82, 0.1);\n  border-color: #ff5252;\n}\n.md-typeset .failure > .admonition-title::before, .md-typeset .failure > summary::before, .md-typeset .missing > .admonition-title::before, .md-typeset .missing > summary::before, .md-typeset .fail > .admonition-title::before, .md-typeset .fail > summary::before {\n  background-color: #ff5252;\n  mask-image: var(--md-admonition-icon--failure);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.danger, .md-typeset details.danger, .md-typeset .admonition.error, .md-typeset details.error {\n  border-color: #ff1744;\n}\n\n.md-typeset .danger > .admonition-title, .md-typeset .danger > summary, .md-typeset .error > .admonition-title, .md-typeset .error > summary {\n  background-color: rgba(255, 23, 68, 0.1);\n  border-color: #ff1744;\n}\n.md-typeset .danger > .admonition-title::before, .md-typeset .danger > summary::before, .md-typeset .error > .admonition-title::before, .md-typeset .error > summary::before {\n  background-color: #ff1744;\n  mask-image: var(--md-admonition-icon--danger);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.bug, .md-typeset details.bug {\n  border-color: #f50057;\n}\n\n.md-typeset .bug > .admonition-title, .md-typeset .bug > summary {\n  background-color: rgba(245, 0, 87, 0.1);\n  border-color: #f50057;\n}\n.md-typeset .bug > .admonition-title::before, .md-typeset .bug > summary::before {\n  background-color: #f50057;\n  mask-image: var(--md-admonition-icon--bug);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.example, .md-typeset details.example {\n  border-color: #7c4dff;\n}\n\n.md-typeset .example > .admonition-title, .md-typeset .example > summary {\n  background-color: rgba(124, 77, 255, 0.1);\n  border-color: #7c4dff;\n}\n.md-typeset .example > .admonition-title::before, .md-typeset .example > summary::before {\n  background-color: #7c4dff;\n  mask-image: var(--md-admonition-icon--example);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n.md-typeset .admonition.quote, .md-typeset details.quote, .md-typeset .admonition.cite, .md-typeset details.cite {\n  border-color: #9e9e9e;\n}\n\n.md-typeset .quote > .admonition-title, .md-typeset .quote > summary, .md-typeset .cite > .admonition-title, .md-typeset .cite > summary {\n  background-color: rgba(158, 158, 158, 0.1);\n  border-color: #9e9e9e;\n}\n.md-typeset .quote > .admonition-title::before, .md-typeset .quote > summary::before, .md-typeset .cite > .admonition-title::before, .md-typeset .cite > summary::before {\n  background-color: #9e9e9e;\n  mask-image: var(--md-admonition-icon--quote);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n}\n\n:root {\n  --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n.md-typeset [id^=\"fnref:\"]:target {\n  scroll-margin-top: initial;\n  margin-top: -3.4rem;\n  padding-top: 3.4rem;\n}\n.md-typeset [id^=\"fn:\"]:target {\n  scroll-margin-top: initial;\n  margin-top: -3.45rem;\n  padding-top: 3.45rem;\n}\n.md-typeset .footnote {\n  color: var(--md-default-fg-color--light);\n  font-size: 0.64rem;\n}\n.md-typeset .footnote > ol {\n  margin-left: 0;\n}\n.md-typeset .footnote > ol > li {\n  transition: color 125ms;\n}\n.md-typeset .footnote > ol > li:target {\n  color: var(--md-default-fg-color);\n}\n.md-typeset .footnote > ol > li:hover .footnote-backref, .md-typeset .footnote > ol > li:target .footnote-backref {\n  transform: translateX(0);\n  opacity: 1;\n}\n.md-typeset .footnote > ol > li > :first-child {\n  margin-top: 0;\n}\n.md-typeset .footnote-backref {\n  display: inline-block;\n  color: var(--md-typeset-a-color);\n  font-size: 0;\n  vertical-align: text-bottom;\n  transform: translateX(0.25rem);\n  opacity: 0;\n  transition: color 250ms, transform 250ms 250ms, opacity 125ms 250ms;\n}\n@media print {\n  .md-typeset .footnote-backref {\n    color: var(--md-typeset-a-color);\n    transform: translateX(0);\n    opacity: 1;\n  }\n}\n[dir=rtl] .md-typeset .footnote-backref {\n  transform: translateX(-0.25rem);\n}\n.md-typeset .footnote-backref:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset .footnote-backref::before {\n  display: inline-block;\n  width: 0.8rem;\n  height: 0.8rem;\n  background-color: currentColor;\n  mask-image: var(--md-footnotes-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .footnote-backref::before svg {\n  transform: scaleX(-1);\n}\n\n.md-typeset .headerlink {\n  display: inline-block;\n  margin-left: 0.5rem;\n  color: var(--md-default-fg-color--lighter);\n  opacity: 0;\n  transition: color 250ms, opacity 125ms;\n}\n@media print {\n  .md-typeset .headerlink {\n    display: none;\n  }\n}\n[dir=rtl] .md-typeset .headerlink {\n  margin-right: 0.5rem;\n  margin-left: initial;\n}\n.md-typeset :hover > .headerlink,\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus {\n  opacity: 1;\n  transition: color 250ms, opacity 125ms;\n}\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus,\n.md-typeset .headerlink:hover {\n  color: var(--md-accent-fg-color);\n}\n.md-typeset :target {\n  scroll-margin-top: 3.6rem;\n}\n.md-typeset h1:target,\n.md-typeset h2:target,\n.md-typeset h3:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h1:target::before,\n.md-typeset h2:target::before,\n.md-typeset h3:target::before {\n  display: block;\n  margin-top: -3.4rem;\n  padding-top: 3.4rem;\n  content: \"\";\n}\n.md-typeset h4:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h4:target::before {\n  display: block;\n  margin-top: -3.45rem;\n  padding-top: 3.45rem;\n  content: \"\";\n}\n.md-typeset h5:target,\n.md-typeset h6:target {\n  scroll-margin-top: initial;\n}\n.md-typeset h5:target::before,\n.md-typeset h6:target::before {\n  display: block;\n  margin-top: -3.6rem;\n  padding-top: 3.6rem;\n  content: \"\";\n}\n\n.md-typeset div.arithmatex {\n  overflow: auto;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset div.arithmatex {\n    margin: 0 -0.8rem;\n  }\n}\n.md-typeset div.arithmatex > * {\n  width: min-content;\n  margin: 1em auto !important;\n  padding: 0 0.8rem;\n  touch-action: auto;\n}\n\n.md-typeset del.critic,\n.md-typeset ins.critic,\n.md-typeset .critic.comment {\n  box-decoration-break: clone;\n}\n.md-typeset del.critic {\n  background-color: var(--md-typeset-del-color);\n}\n.md-typeset ins.critic {\n  background-color: var(--md-typeset-ins-color);\n}\n.md-typeset .critic.comment {\n  color: var(--md-code-hl-comment-color);\n}\n.md-typeset .critic.comment::before {\n  content: \"/* \";\n}\n.md-typeset .critic.comment::after {\n  content: \" */\";\n}\n.md-typeset .critic.block {\n  display: block;\n  margin: 1em 0;\n  padding-right: 0.8rem;\n  padding-left: 0.8rem;\n  overflow: auto;\n  box-shadow: none;\n}\n.md-typeset .critic.block > :first-child {\n  margin-top: 0.5em;\n}\n.md-typeset .critic.block > :last-child {\n  margin-bottom: 0.5em;\n}\n\n:root {\n  --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n.md-typeset details {\n  display: flow-root;\n  padding-top: 0;\n  overflow: visible;\n}\n.md-typeset details[open] > summary::after {\n  transform: rotate(90deg);\n}\n.md-typeset details:not([open]) {\n  padding-bottom: 0;\n  box-shadow: none;\n}\n.md-typeset details:not([open]) > summary {\n  border-radius: 0.1rem;\n}\n.md-typeset details::after {\n  display: table;\n  content: \"\";\n}\n.md-typeset summary {\n  display: block;\n  min-height: 1rem;\n  padding: 0.4rem 1.8rem 0.4rem 2rem;\n  border-top-left-radius: 0.1rem;\n  border-top-right-radius: 0.1rem;\n  cursor: pointer;\n}\n[dir=rtl] .md-typeset summary {\n  padding: 0.4rem 2.2rem 0.4rem 1.8rem;\n}\n.md-typeset summary:not(.focus-visible) {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset summary::after {\n  position: absolute;\n  top: 0.4rem;\n  right: 0.4rem;\n  width: 1rem;\n  height: 1rem;\n  background-color: currentColor;\n  mask-image: var(--md-details-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  transform: rotate(0deg);\n  transition: transform 250ms;\n  content: \"\";\n}\n[dir=rtl] .md-typeset summary::after {\n  right: initial;\n  left: 0.4rem;\n  transform: rotate(180deg);\n}\n.md-typeset summary::marker, .md-typeset summary::-webkit-details-marker {\n  display: none;\n}\n\n.md-typeset .emojione,\n.md-typeset .twemoji,\n.md-typeset .gemoji {\n  display: inline-flex;\n  height: 1.125em;\n  vertical-align: text-top;\n}\n.md-typeset .emojione svg,\n.md-typeset .twemoji svg,\n.md-typeset .gemoji svg {\n  width: 1.125em;\n  max-height: 100%;\n  fill: currentColor;\n}\n\n.highlight .o,\n.highlight .ow {\n  color: var(--md-code-hl-operator-color);\n}\n.highlight .p {\n  color: var(--md-code-hl-punctuation-color);\n}\n.highlight .cpf,\n.highlight .l,\n.highlight .s,\n.highlight .sb,\n.highlight .sc,\n.highlight .s2,\n.highlight .si,\n.highlight .s1,\n.highlight .ss {\n  color: var(--md-code-hl-string-color);\n}\n.highlight .cp,\n.highlight .se,\n.highlight .sh,\n.highlight .sr,\n.highlight .sx {\n  color: var(--md-code-hl-special-color);\n}\n.highlight .m,\n.highlight .mb,\n.highlight .mf,\n.highlight .mh,\n.highlight .mi,\n.highlight .il,\n.highlight .mo {\n  color: var(--md-code-hl-number-color);\n}\n.highlight .k,\n.highlight .kd,\n.highlight .kn,\n.highlight .kp,\n.highlight .kr,\n.highlight .kt {\n  color: var(--md-code-hl-keyword-color);\n}\n.highlight .kc,\n.highlight .n {\n  color: var(--md-code-hl-name-color);\n}\n.highlight .no,\n.highlight .nb,\n.highlight .bp {\n  color: var(--md-code-hl-constant-color);\n}\n.highlight .nc,\n.highlight .ne,\n.highlight .nf,\n.highlight .nn {\n  color: var(--md-code-hl-function-color);\n}\n.highlight .nd,\n.highlight .ni,\n.highlight .nl,\n.highlight .nt {\n  color: var(--md-code-hl-keyword-color);\n}\n.highlight .c,\n.highlight .cm,\n.highlight .c1,\n.highlight .ch,\n.highlight .cs,\n.highlight .sd {\n  color: var(--md-code-hl-comment-color);\n}\n.highlight .na,\n.highlight .nv,\n.highlight .vc,\n.highlight .vg,\n.highlight .vi {\n  color: var(--md-code-hl-variable-color);\n}\n.highlight .ge,\n.highlight .gr,\n.highlight .gh,\n.highlight .go,\n.highlight .gp,\n.highlight .gs,\n.highlight .gu,\n.highlight .gt {\n  color: var(--md-code-hl-generic-color);\n}\n.highlight .gd,\n.highlight .gi {\n  margin: 0 -0.125em;\n  padding: 0 0.125em;\n  border-radius: 0.1rem;\n}\n.highlight .gd {\n  background-color: var(--md-typeset-del-color);\n}\n.highlight .gi {\n  background-color: var(--md-typeset-ins-color);\n}\n.highlight .hll {\n  display: block;\n  margin: 0 -1.1764705882em;\n  padding: 0 1.1764705882em;\n  background-color: var(--md-code-hl-color);\n}\n.highlight [data-linenos]::before {\n  position: sticky;\n  left: -1.1764705882em;\n  float: left;\n  margin-right: 1.1764705882em;\n  margin-left: -1.1764705882em;\n  padding-left: 1.1764705882em;\n  color: var(--md-default-fg-color--light);\n  background-color: var(--md-code-bg-color);\n  box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n  content: attr(data-linenos);\n  user-select: none;\n}\n\n.highlighttable {\n  display: flow-root;\n  overflow: hidden;\n}\n.highlighttable tbody,\n.highlighttable td {\n  display: block;\n  padding: 0;\n}\n.highlighttable tr {\n  display: flex;\n}\n.highlighttable pre {\n  margin: 0;\n}\n.highlighttable .linenos {\n  padding: 0.7720588235em 1.1764705882em;\n  padding-right: 0;\n  font-size: 0.85em;\n  background-color: var(--md-code-bg-color);\n  user-select: none;\n}\n.highlighttable .linenodiv {\n  padding-right: 0.5882352941em;\n  box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n}\n.highlighttable .linenodiv pre {\n  color: var(--md-default-fg-color--light);\n  text-align: right;\n}\n.highlighttable .code {\n  flex: 1;\n  overflow: hidden;\n}\n\n.md-typeset .highlighttable {\n  margin: 1em 0;\n  direction: ltr;\n  border-radius: 0.1rem;\n}\n.md-typeset .highlighttable code {\n  border-radius: 0;\n}\n@media screen and (max-width: 44.9375em) {\n  .md-typeset > .highlight {\n    margin: 1em -0.8rem;\n  }\n  .md-typeset > .highlight .hll {\n    margin: 0 -0.8rem;\n    padding: 0 0.8rem;\n  }\n  .md-typeset > .highlight code {\n    border-radius: 0;\n  }\n  .md-typeset > .highlighttable {\n    margin: 1em -0.8rem;\n    border-radius: 0;\n  }\n  .md-typeset > .highlighttable .hll {\n    margin: 0 -0.8rem;\n    padding: 0 0.8rem;\n  }\n}\n\n.md-typeset .keys kbd::before,\n.md-typeset .keys kbd::after {\n  position: relative;\n  margin: 0;\n  color: inherit;\n  -moz-osx-font-smoothing: initial;\n  -webkit-font-smoothing: initial;\n}\n.md-typeset .keys span {\n  padding: 0 0.2em;\n  color: var(--md-default-fg-color--light);\n}\n.md-typeset .keys .key-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-left-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-right-alt::before {\n  padding-right: 0.4em;\n  content: \"⎇\";\n}\n.md-typeset .keys .key-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-left-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-right-command::before {\n  padding-right: 0.4em;\n  content: \"⌘\";\n}\n.md-typeset .keys .key-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-left-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-right-control::before {\n  padding-right: 0.4em;\n  content: \"⌃\";\n}\n.md-typeset .keys .key-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-left-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-right-meta::before {\n  padding-right: 0.4em;\n  content: \"◆\";\n}\n.md-typeset .keys .key-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-left-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-right-option::before {\n  padding-right: 0.4em;\n  content: \"⌥\";\n}\n.md-typeset .keys .key-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-left-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-right-shift::before {\n  padding-right: 0.4em;\n  content: \"⇧\";\n}\n.md-typeset .keys .key-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-left-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-right-super::before {\n  padding-right: 0.4em;\n  content: \"❖\";\n}\n.md-typeset .keys .key-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-left-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-right-windows::before {\n  padding-right: 0.4em;\n  content: \"⊞\";\n}\n.md-typeset .keys .key-arrow-down::before {\n  padding-right: 0.4em;\n  content: \"↓\";\n}\n.md-typeset .keys .key-arrow-left::before {\n  padding-right: 0.4em;\n  content: \"←\";\n}\n.md-typeset .keys .key-arrow-right::before {\n  padding-right: 0.4em;\n  content: \"→\";\n}\n.md-typeset .keys .key-arrow-up::before {\n  padding-right: 0.4em;\n  content: \"↑\";\n}\n.md-typeset .keys .key-backspace::before {\n  padding-right: 0.4em;\n  content: \"⌫\";\n}\n.md-typeset .keys .key-backtab::before {\n  padding-right: 0.4em;\n  content: \"⇤\";\n}\n.md-typeset .keys .key-caps-lock::before {\n  padding-right: 0.4em;\n  content: \"⇪\";\n}\n.md-typeset .keys .key-clear::before {\n  padding-right: 0.4em;\n  content: \"⌧\";\n}\n.md-typeset .keys .key-context-menu::before {\n  padding-right: 0.4em;\n  content: \"☰\";\n}\n.md-typeset .keys .key-delete::before {\n  padding-right: 0.4em;\n  content: \"⌦\";\n}\n.md-typeset .keys .key-eject::before {\n  padding-right: 0.4em;\n  content: \"⏏\";\n}\n.md-typeset .keys .key-end::before {\n  padding-right: 0.4em;\n  content: \"⤓\";\n}\n.md-typeset .keys .key-escape::before {\n  padding-right: 0.4em;\n  content: \"⎋\";\n}\n.md-typeset .keys .key-home::before {\n  padding-right: 0.4em;\n  content: \"⤒\";\n}\n.md-typeset .keys .key-insert::before {\n  padding-right: 0.4em;\n  content: \"⎀\";\n}\n.md-typeset .keys .key-page-down::before {\n  padding-right: 0.4em;\n  content: \"⇟\";\n}\n.md-typeset .keys .key-page-up::before {\n  padding-right: 0.4em;\n  content: \"⇞\";\n}\n.md-typeset .keys .key-print-screen::before {\n  padding-right: 0.4em;\n  content: \"⎙\";\n}\n.md-typeset .keys .key-tab::after {\n  padding-left: 0.4em;\n  content: \"⇥\";\n}\n.md-typeset .keys .key-num-enter::after {\n  padding-left: 0.4em;\n  content: \"⌤\";\n}\n.md-typeset .keys .key-enter::after {\n  padding-left: 0.4em;\n  content: \"⏎\";\n}\n\n.md-typeset .tabbed-content {\n  display: none;\n  order: 99;\n  width: 100%;\n  box-shadow: 0 -0.05rem var(--md-default-fg-color--lightest);\n}\n@media print {\n  .md-typeset .tabbed-content {\n    display: block;\n    order: initial;\n  }\n}\n.md-typeset .tabbed-content > pre:only-child,\n.md-typeset .tabbed-content > .highlight:only-child pre,\n.md-typeset .tabbed-content > .highlighttable:only-child {\n  margin: 0;\n}\n.md-typeset .tabbed-content > pre:only-child > code,\n.md-typeset .tabbed-content > .highlight:only-child pre > code,\n.md-typeset .tabbed-content > .highlighttable:only-child > code {\n  border-top-left-radius: 0;\n  border-top-right-radius: 0;\n}\n.md-typeset .tabbed-content > .tabbed-set {\n  margin: 0;\n}\n.md-typeset .tabbed-set {\n  position: relative;\n  display: flex;\n  flex-wrap: wrap;\n  margin: 1em 0;\n  border-radius: 0.1rem;\n}\n.md-typeset .tabbed-set > input {\n  position: absolute;\n  width: 0;\n  height: 0;\n  opacity: 0;\n}\n.md-typeset .tabbed-set > input:checked + label {\n  color: var(--md-accent-fg-color);\n  border-color: var(--md-accent-fg-color);\n}\n.md-typeset .tabbed-set > input:checked + label + .tabbed-content {\n  display: block;\n}\n.md-typeset .tabbed-set > input:focus + label {\n  outline-style: auto;\n}\n.md-typeset .tabbed-set > input:not(.focus-visible) + label {\n  outline: none;\n  -webkit-tap-highlight-color: transparent;\n}\n.md-typeset .tabbed-set > label {\n  z-index: 1;\n  width: auto;\n  padding: 0.9375em 1.25em 0.78125em;\n  color: var(--md-default-fg-color--light);\n  font-weight: 700;\n  font-size: 0.64rem;\n  border-bottom: 0.1rem solid transparent;\n  cursor: pointer;\n  transition: color 250ms;\n}\n.md-typeset .tabbed-set > label:hover {\n  color: var(--md-accent-fg-color);\n}\n\n:root {\n  --md-tasklist-icon:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n  --md-tasklist-icon--checked:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n.md-typeset .task-list-item {\n  position: relative;\n  list-style-type: none;\n}\n.md-typeset .task-list-item [type=checkbox] {\n  position: absolute;\n  top: 0.45em;\n  left: -2em;\n}\n[dir=rtl] .md-typeset .task-list-item [type=checkbox] {\n  right: -2em;\n  left: initial;\n}\n.md-typeset .task-list-control [type=checkbox] {\n  z-index: -1;\n  opacity: 0;\n}\n.md-typeset .task-list-indicator::before {\n  position: absolute;\n  top: 0.15em;\n  left: -1.5em;\n  width: 1.25em;\n  height: 1.25em;\n  background-color: var(--md-default-fg-color--lightest);\n  mask-image: var(--md-tasklist-icon);\n  mask-repeat: no-repeat;\n  mask-size: contain;\n  content: \"\";\n}\n[dir=rtl] .md-typeset .task-list-indicator::before {\n  right: -1.5em;\n  left: initial;\n}\n.md-typeset [type=checkbox]:checked + .task-list-indicator::before {\n  background-color: #00e676;\n  mask-image: var(--md-tasklist-icon--checked);\n}\n\n@media screen and (min-width: 45em) {\n  .md-typeset .inline {\n    float: left;\n    width: 11.7rem;\n    margin-top: 0;\n    margin-right: 0.8rem;\n    margin-bottom: 0.8rem;\n  }\n  [dir=rtl] .md-typeset .inline {\n    float: right;\n    margin-right: 0;\n    margin-left: 0.8rem;\n  }\n  .md-typeset .inline.end {\n    float: right;\n    margin-right: 0;\n    margin-left: 0.8rem;\n  }\n  [dir=rtl] .md-typeset .inline.end {\n    float: left;\n    margin-right: 0.8rem;\n    margin-left: 0;\n  }\n}\n\n/*# sourceMappingURL=main.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Enforce correct box model and prevent adjustments of font size after\n// orientation changes in IE and iOS\nhtml {\n  box-sizing: border-box;\n  text-size-adjust: none;\n}\n\n// All elements shall inherit the document default\n*,\n*::before,\n*::after {\n  box-sizing: inherit;\n}\n\n// Remove margin in all browsers\nbody {\n  margin: 0;\n}\n\n// Reset tap outlines on iOS and Android\na,\nbutton,\nlabel,\ninput {\n  -webkit-tap-highlight-color: transparent;\n}\n\n// Reset link styles\na {\n  color: inherit;\n  text-decoration: none;\n}\n\n// Normalize horizontal separator styles\nhr {\n  display: block;\n  box-sizing: content-box;\n  height: px2rem(1px);\n  padding: 0;\n  overflow: visible;\n  border: 0;\n}\n\n// Normalize font-size in all browsers\nsmall {\n  font-size: 80%;\n}\n\n// Prevent subscript and superscript from affecting line-height\nsub,\nsup {\n  line-height: 1em;\n}\n\n// Remove border on image\nimg {\n  border-style: none;\n}\n\n// Reset table styles\ntable {\n  border-collapse: separate;\n  border-spacing: 0;\n}\n\n// Reset table cell styles\ntd,\nth {\n  font-weight: 400;\n  vertical-align: top;\n}\n\n// Reset button styles\nbutton {\n  margin: 0;\n  padding: 0;\n  font-size: inherit;\n  background: transparent;\n  border: 0;\n}\n\n// Reset input styles\ninput {\n  border: 0;\n  outline: none;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Color definitions\n:root {\n\n  // Default color shades\n  --md-default-fg-color:               hsla(0, 0%, 0%, 0.87);\n  --md-default-fg-color--light:        hsla(0, 0%, 0%, 0.54);\n  --md-default-fg-color--lighter:      hsla(0, 0%, 0%, 0.32);\n  --md-default-fg-color--lightest:     hsla(0, 0%, 0%, 0.07);\n  --md-default-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-default-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n  --md-default-bg-color--lighter:      hsla(0, 0%, 100%, 0.3);\n  --md-default-bg-color--lightest:     hsla(0, 0%, 100%, 0.12);\n\n  // Primary color shades\n  --md-primary-fg-color:               hsla(#{hex2hsl($clr-indigo-500)}, 1);\n  --md-primary-fg-color--light:        hsla(#{hex2hsl($clr-indigo-400)}, 1);\n  --md-primary-fg-color--dark:         hsla(#{hex2hsl($clr-indigo-700)}, 1);\n  --md-primary-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n\n  // Accent color shades\n  --md-accent-fg-color:                hsla(#{hex2hsl($clr-indigo-a200)}, 1);\n  --md-accent-fg-color--transparent:   hsla(#{hex2hsl($clr-indigo-a200)}, 0.1);\n  --md-accent-bg-color:                hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light:         hsla(0, 0%, 100%, 0.7);\n\n  // Light theme (default)\n  > * {\n\n    // Code color shades\n    --md-code-fg-color:                hsla(200, 18%, 26%, 1);\n    --md-code-bg-color:                hsla(0, 0%, 96%, 1);\n\n    // Code highlighting color shades\n    --md-code-hl-color:                hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n    --md-code-hl-number-color:         hsla(0, 67%, 50%, 1);\n    --md-code-hl-special-color:        hsla(340, 83%, 47%, 1);\n    --md-code-hl-function-color:       hsla(291, 45%, 50%, 1);\n    --md-code-hl-constant-color:       hsla(250, 63%, 60%, 1);\n    --md-code-hl-keyword-color:        hsla(219, 54%, 51%, 1);\n    --md-code-hl-string-color:         hsla(150, 63%, 30%, 1);\n    --md-code-hl-name-color:           var(--md-code-fg-color);\n    --md-code-hl-operator-color:       var(--md-default-fg-color--light);\n    --md-code-hl-punctuation-color:    var(--md-default-fg-color--light);\n    --md-code-hl-comment-color:        var(--md-default-fg-color--light);\n    --md-code-hl-generic-color:        var(--md-default-fg-color--light);\n    --md-code-hl-variable-color:       var(--md-default-fg-color--light);\n\n    // Typeset color shades\n    --md-typeset-color:                var(--md-default-fg-color);\n    --md-typeset-a-color:              var(--md-primary-fg-color);\n\n    // Typeset `mark` color shades\n    --md-typeset-mark-color:           hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n\n    // Typeset `del` and `ins` color shades\n    --md-typeset-del-color:            hsla(6, 90%, 60%, 0.15);\n    --md-typeset-ins-color:            hsla(150, 90%, 44%, 0.15);\n\n    // Typeset `kbd` color shades\n    --md-typeset-kbd-color:            hsla(0, 0%, 98%, 1);\n    --md-typeset-kbd-accent-color:     hsla(0, 100%, 100%, 1);\n    --md-typeset-kbd-border-color:     hsla(0, 0%, 72%, 1);\n\n    // Admonition color shades\n    --md-admonition-fg-color:          var(--md-default-fg-color);\n    --md-admonition-bg-color:          var(--md-default-bg-color);\n\n    // Footer color shades\n    --md-footer-fg-color:              hsla(0, 0%, 100%, 1);\n    --md-footer-fg-color--light:       hsla(0, 0%, 100%, 0.7);\n    --md-footer-fg-color--lighter:     hsla(0, 0%, 100%, 0.3);\n    --md-footer-bg-color:              hsla(0, 0%, 0%, 0.87);\n    --md-footer-bg-color--dark:        hsla(0, 0%, 0%, 0.32);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon\n.md-icon {\n\n  // SVG defaults\n  svg {\n    display: block;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    fill: currentColor;\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: font definitions\n// ----------------------------------------------------------------------------\n\n// Enable font-smoothing in Webkit and FF\nbody {\n  -webkit-font-smoothing: antialiased;\n  -moz-osx-font-smoothing: grayscale;\n}\n\n// Define default fonts\nbody,\ninput {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\", \"liga\";\n  font-family:\n    var(--md-text-font-family, _),\n    -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\n// Define monospaced fonts\ncode,\npre,\nkbd {\n  color: var(--md-typeset-color);\n  font-feature-settings: \"kern\";\n  font-family:\n    var(--md-code-font-family, _),\n    SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: typesetted content\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-typeset-table--ascending: svg-load(\"material/arrow-down.svg\");\n  --md-typeset-table--descending: svg-load(\"material/arrow-up.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Content that is typeset - if possible, all margins, paddings and font sizes\n// should be set in ems, so nested blocks (e.g. admonitions) render correctly.\n.md-typeset {\n  font-size: px2rem(16px);\n  line-height: 1.6;\n  color-adjust: exact;\n\n  // [print]: We'll use a smaller `font-size` for printing, so code examples\n  // don't break too early, and `16px` looks too big anyway.\n  @media print {\n    font-size: px2rem(13.6px);\n  }\n\n  // Default spacing\n  ul,\n  ol,\n  dl,\n  figure,\n  blockquote,\n  pre {\n    display: flow-root;\n    margin: 1em 0;\n  }\n\n  // Headline on level 1\n  h1 {\n    margin: 0 0 px2em(40px, 32px);\n    color: var(--md-default-fg-color--light);\n    font-weight: 300;\n    font-size: px2em(32px);\n    line-height: 1.3;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 2\n  h2 {\n    margin: px2em(40px, 25px) 0 px2em(16px, 25px);\n    font-weight: 300;\n    font-size: px2em(25px);\n    line-height: 1.4;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 3\n  h3 {\n    margin: px2em(32px, 20px) 0 px2em(16px, 20px);\n    font-weight: 400;\n    font-size: px2em(20px);\n    line-height: 1.5;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 3 following level 2\n  h2 + h3 {\n    margin-top: px2em(16px, 20px);\n  }\n\n  // Headline on level 4\n  h4 {\n    margin: px2em(16px) 0;\n    font-weight: 700;\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 5-6\n  h5,\n  h6 {\n    margin: px2em(16px, 12.8px) 0;\n    color: var(--md-default-fg-color--light);\n    font-weight: 700;\n    font-size: px2em(12.8px);\n    letter-spacing: -0.01em;\n  }\n\n  // Headline on level 5\n  h5 {\n    text-transform: uppercase;\n  }\n\n  // Horizontal separator\n  hr {\n    display: flow-root;\n    margin: 1.5em 0;\n    border-bottom: px2rem(1px) solid var(--md-default-fg-color--lightest);\n  }\n\n  // Text link\n  a {\n    color: var(--md-typeset-a-color);\n    word-break: break-word;\n\n    // Also enable color transition on pseudo elements\n    &,\n    &::before {\n      transition: color 125ms;\n    }\n\n    // Text link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n  }\n\n  // Code block\n  code,\n  pre,\n  kbd {\n    color: var(--md-code-fg-color);\n    direction: ltr;\n\n    // [print]: Wrap text and hide scollbars\n    @media print {\n      white-space: pre-wrap;\n    }\n  }\n\n  // Inline code block\n  code {\n    padding: 0 px2em(4px, 13.6px);\n    font-size: px2em(13.6px);\n    word-break: break-word;\n    background-color: var(--md-code-bg-color);\n    border-radius: px2rem(2px);\n    box-decoration-break: clone;\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n      -webkit-tap-highlight-color: transparent;\n    }\n  }\n\n  // Code block in headline\n  h1 code,\n  h2 code,\n  h3 code,\n  h4 code,\n  h5 code,\n  h6 code {\n    margin: initial;\n    padding: initial;\n    background-color: transparent;\n    box-shadow: none;\n  }\n\n  // Ensure link color in code blocks\n  a code {\n    color: currentColor;\n  }\n\n  // Unformatted content\n  pre {\n    position: relative;\n    line-height: 1.4;\n\n    // Code block\n    > code {\n      display: block;\n      margin: 0;\n      padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n      overflow: auto;\n      word-break: normal;\n      box-shadow: none;\n      box-decoration-break: slice;\n      touch-action: auto;\n      scrollbar-width: thin;\n      scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n      // Code block on hover\n      &:hover {\n        scrollbar-color: var(--md-accent-fg-color) transparent;\n      }\n\n      // Webkit scrollbar\n      &::-webkit-scrollbar {\n        width: px2rem(4px);\n        height: px2rem(4px);\n      }\n\n      // Webkit scrollbar thumb\n      &::-webkit-scrollbar-thumb {\n        background-color: var(--md-default-fg-color--lighter);\n\n        // Webkit scrollbar thumb on hover\n        &:hover {\n          background-color: var(--md-accent-fg-color);\n        }\n      }\n    }\n  }\n\n  // [mobile -]: Align with body copy\n  @include break-to-device(mobile) {\n\n    // Unformatted text\n    > pre {\n      margin: 1em px2rem(-16px);\n\n      // Code block\n      code {\n        border-radius: 0;\n      }\n    }\n  }\n\n  // Keyboard key\n  kbd {\n    display: inline-block;\n    padding: 0 px2em(8px, 12px);\n    color: var(--md-default-fg-color);\n    font-size: px2em(12px);\n    vertical-align: text-top;\n    word-break: break-word;\n    background-color: var(--md-typeset-kbd-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(2px)  0 px2rem(1px) var(--md-typeset-kbd-border-color),\n      0 px2rem(2px)  0             var(--md-typeset-kbd-border-color),\n      0 px2rem(-2px) px2rem(4px)   var(--md-typeset-kbd-accent-color) inset;\n  }\n\n  // Text highlighting marker\n  mark {\n    color: inherit;\n    word-break: break-word;\n    background-color: var(--md-typeset-mark-color);\n    box-decoration-break: clone;\n  }\n\n  // Abbreviation\n  abbr {\n    text-decoration: none;\n    border-bottom: px2rem(1px) dotted var(--md-default-fg-color--light);\n    cursor: help;\n\n    // Show tooltip for touch devices\n    @media (hover: none) {\n      position: relative;\n\n      // Tooltip\n      &[title]:focus::after,\n      &[title]:hover::after {\n        @include z-depth(2);\n\n        position: absolute;\n        left: 0;\n        display: inline-block;\n        width: auto;\n        min-width: max-content;\n        max-width: 80%;\n        margin-top: 2em;\n        padding: px2rem(4px) px2rem(6px);\n        color: var(--md-default-bg-color);\n        font-size: px2rem(14px);\n        background-color: var(--md-default-fg-color);\n        border-radius: px2rem(2px);\n        content: attr(title);\n      }\n    }\n  }\n\n  // Small text\n  small {\n    opacity: 0.75;\n  }\n\n  // Superscript and subscript\n  sup,\n  sub {\n    margin-left: px2em(1px, 12.8px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(1px, 12.8px);\n      margin-left: initial;\n    }\n  }\n\n  // Blockquotes, possibly nested\n  blockquote {\n    padding-left: px2rem(12px);\n    color: var(--md-default-fg-color--light);\n    border-left: px2rem(4px) solid var(--md-default-fg-color--lighter);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: initial;\n      border-right: px2rem(4px) solid var(--md-default-fg-color--lighter);\n      border-left: initial;\n    }\n  }\n\n  // Unordered list\n  ul {\n    list-style-type: disc;\n  }\n\n  // Unordered and ordered list\n  ul,\n  ol {\n    margin-left: px2em(10px);\n    padding: 0;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(10px);\n      margin-left: initial;\n    }\n\n    // Nested ordered list\n    ol {\n      list-style-type: lower-alpha;\n\n      // Triply nested ordered list\n      ol {\n        list-style-type: lower-roman;\n      }\n    }\n\n    // List element\n    li {\n      margin-bottom: 0.5em;\n      margin-left: px2em(20px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2em(20px);\n        margin-left: initial;\n      }\n\n      // Adjust spacing\n      p,\n      blockquote {\n        margin: 0.5em 0;\n      }\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n\n      // Nested list\n      ul,\n      ol {\n        margin: 0.5em 0 0.5em px2em(10px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2em(10px);\n          margin-left: initial;\n        }\n      }\n    }\n  }\n\n  // Definition list\n  dd {\n    margin: 1em 0 1.5em px2em(30px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2em(30px);\n      margin-left: initial;\n    }\n  }\n\n  // Image or icon\n  img,\n  svg {\n    max-width: 100%;\n    height: auto;\n\n    // Adjust spacing when left-aligned\n    &[align=\"left\"] {\n      margin: 1em;\n      margin-left: 0;\n    }\n\n    // Adjust spacing when right-aligned\n    &[align=\"right\"] {\n      margin: 1em;\n      margin-right: 0;\n    }\n\n    // Adjust spacing when sole children\n    &[align]:only-child {\n      margin-top: 0;\n    }\n  }\n\n  // Figure\n  figure {\n    width: fit-content;\n    max-width: 100%;\n    margin: 0 auto;\n    text-align: center;\n\n    // Figure images\n    img {\n      display: block;\n    }\n  }\n\n  // Figure caption\n  figcaption {\n    max-width: px2rem(480px);\n    margin: 1em auto 2em;\n    font-style: italic;\n  }\n\n  // Limit width to container\n  iframe {\n    max-width: 100%;\n  }\n\n  // Data table\n  table:not([class]) {\n    display: inline-block;\n    max-width: 100%;\n    overflow: auto;\n    font-size: px2rem(12.8px);\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.05),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.1);\n    touch-action: auto;\n\n    // [print]: Reset display mode so table header wraps when printing\n    @media print {\n      display: table;\n    }\n\n    // Due to margin collapse because of the necessary inline-block hack, we\n    // cannot increase the bottom margin on the table, so we just increase the\n    // top margin on the following element\n    + * {\n      margin-top: 1.5em;\n    }\n\n    // Elements in table heading and cell\n    th > *,\n    td > * {\n\n      // Adjust spacing on first child\n      &:first-child {\n        margin-top: 0;\n      }\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n    }\n\n    // Table heading and cell\n    th:not([align]),\n    td:not([align]) {\n      text-align: left;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        text-align: right;\n      }\n    }\n\n    // Table heading\n    th {\n      min-width: px2rem(100px);\n      padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n      color: var(--md-default-bg-color);\n      vertical-align: top;\n      background-color: var(--md-default-fg-color--light);\n\n      // Links in table headings\n      a {\n        color: inherit;\n      }\n    }\n\n    // Table cell\n    td {\n      padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n      vertical-align: top;\n      border-top: px2rem(1px) solid var(--md-default-fg-color--lightest);\n    }\n\n    // Table row\n    tr {\n      transition: background-color 125ms;\n\n      // Table row on hover\n      &:hover {\n        background-color: rgba(0, 0, 0, 0.035);\n        box-shadow: 0 px2rem(1px) 0 var(--md-default-bg-color) inset;\n      }\n\n      // Hide border on first table row\n      &:first-child td {\n        border-top: 0;\n      }\n    }\n\n    // Text link in table\n    a {\n      word-break: normal;\n    }\n  }\n\n  // Sortable table\n  table th[role=\"columnheader\"] {\n    cursor: pointer;\n\n    // Sort icon\n    &::after {\n      display: inline-block;\n      width: 1.2em;\n      height: 1.2em;\n      margin-left: 0.5em;\n      vertical-align: sub;\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n    }\n\n    // Sort ascending\n    &[aria-sort=\"ascending\"]::after {\n      background-color: currentColor;\n      mask-image: var(--md-typeset-table--ascending);\n    }\n\n    // Sort descending\n    &[aria-sort=\"descending\"]::after {\n      background-color: currentColor;\n      mask-image: var(--md-typeset-table--descending);\n    }\n  }\n\n  // Data table scroll wrapper\n  &__scrollwrap {\n    margin: 1em px2rem(-16px);\n    overflow-x: auto;\n    touch-action: auto;\n  }\n\n  // Data table wrapper\n  &__table {\n    display: inline-block;\n    margin-bottom: 0.5em;\n    padding: 0 px2rem(16px);\n\n    // [print]: Reset display mode so table header wraps when printing\n    @media print {\n      display: block;\n    }\n\n    // Data table\n    html & table {\n      display: table;\n      width: 100%;\n      margin: 0;\n      overflow: hidden;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n///   $break-devices: (\n///     mobile: (\n///       portrait:  220px  479px,\n///       landscape: 480px  719px\n///     ),\n///     tablet: (\n///       portrait:  720px  959px,\n///       landscape: 960px  1219px\n///     ),\n///     screen: (\n///       small:     1220px 1599px,\n///       medium:    1600px 1999px,\n///       large:     2000px\n///     )\n///   );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n  $min: 1000000;\n  $max: 0;\n  @each $key, $value in $devices {\n    @while type-of($value) == map {\n      $value: break-select-min-max($value);\n    }\n    @if type-of($value) == list {\n      @each $number in $value {\n        @if type-of($number) == number {\n          $min: min($number, $min);\n          @if $max {\n            $max: max($number, $max);\n          }\n        } @else {\n          @error \"Invalid number: #{$number}\";\n        }\n      }\n    } @else if type-of($value) == number {\n      $min: min($value, $min);\n      $max: null;\n    } @else {\n      @error \"Invalid value: #{$value}\";\n    }\n  }\n  @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n  $current: $break-devices;\n  @for $n from 1 through length($device) {\n    @if type-of($current) == map {\n      $current: map-get($current, nth($device, $n));\n    } @else {\n      @error \"Invalid device map: #{$devices}\";\n    }\n  }\n  @if type-of($current) == list or type-of($current) == number {\n    $current: (default: $current);\n  }\n  @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (min-width: $breakpoint) {\n      @content;\n    }\n  } @else if type-of($breakpoint) == list {\n    $min: nth($breakpoint, 1);\n    $max: nth($breakpoint, 2);\n    @if type-of($min) == number and type-of($max) == number {\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid breakpoint: #{$breakpoint}\";\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n  @if type-of($breakpoint) == string {\n    @media screen and (orientation: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (max-aspect-ratio: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    @if nth($breakpoint, 2) {\n      $min: nth($breakpoint, 1);\n      $max: nth($breakpoint, 2);\n\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid device: #{$device}\";\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $min: nth($breakpoint, 1);\n\n    @media screen and (min-width: $min) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $max: nth($breakpoint, 2);\n\n    @media screen and (max-width: $max) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n","//\n// Name:           Material Shadows\n// Description:    Mixins for Material Design Shadows.\n// Version:        3.0.1\n//\n// Author:         Denis Malinochkin\n// Git:            https://github.com/mrmlnc/material-shadows\n//\n// twitter:        @mrmlnc\n//\n// ------------------------------------\n\n\n// Mixins\n// ------------------------------------\n\n@mixin z-depth-transition() {\n  transition: box-shadow .28s cubic-bezier(.4, 0, .2, 1);\n}\n\n@mixin z-depth-focus() {\n  box-shadow: 0 0 8px rgba(0, 0, 0, .18), 0 8px 16px rgba(0, 0, 0, .36);\n}\n\n@mixin z-depth-2dp() {\n  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, .14),\n              0 1px 5px 0 rgba(0, 0, 0, .12),\n              0 3px 1px -2px rgba(0, 0, 0, .2);\n}\n\n@mixin z-depth-3dp() {\n  box-shadow: 0 3px 4px 0 rgba(0, 0, 0, .14),\n              0 1px 8px 0 rgba(0, 0, 0, .12),\n              0 3px 3px -2px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-4dp() {\n  box-shadow: 0 4px 5px 0 rgba(0, 0, 0, .14),\n              0 1px 10px 0 rgba(0, 0, 0, .12),\n              0 2px 4px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-6dp() {\n  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, .14),\n              0 1px 18px 0 rgba(0, 0, 0, .12),\n              0 3px 5px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-8dp() {\n  box-shadow: 0 8px 10px 1px rgba(0, 0, 0, .14),\n              0 3px 14px 2px rgba(0, 0, 0, .12),\n              0 5px 5px -3px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-16dp() {\n  box-shadow: 0 16px 24px 2px rgba(0, 0, 0, .14),\n              0  6px 30px 5px rgba(0, 0, 0, .12),\n              0  8px 10px -5px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-24dp() {\n  box-shadow: 0  9px 46px  8px rgba(0, 0, 0, .14),\n              0 24px 38px  3px rgba(0, 0, 0, .12),\n              0 11px 15px -7px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth($dp: 2) {\n  @if $dp == 2 {\n    @include z-depth-2dp();\n  } @else if $dp == 3 {\n    @include z-depth-3dp();\n  } @else if $dp == 4 {\n    @include z-depth-4dp();\n  } @else if $dp == 6 {\n    @include z-depth-6dp();\n  } @else if $dp == 8 {\n    @include z-depth-8dp();\n  } @else if $dp == 16 {\n    @include z-depth-16dp();\n  } @else if $dp == 24 {\n    @include z-depth-24dp();\n  }\n}\n\n\n// Class generator\n// ------------------------------------\n\n@mixin z-depth-classes($transition: false, $focus: false) {\n  @if $transition == true {\n    &-transition {\n      @include z-depth-transition();\n    }\n  }\n\n  @if $focus == true {\n    &-focus {\n      @include z-depth-focus();\n    }\n  }\n\n  // The available values for the shadow depth\n  @each $depth in 2, 3, 4, 6, 8, 16, 24 {\n    &-#{$depth}dp {\n      @include z-depth($depth);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: base grid and containers\n// ----------------------------------------------------------------------------\n\n// Stretch container to viewport and set base `font-size`\nhtml {\n  height: 100%;\n  overflow-x: hidden;\n  // Hack: normally, we would set the base `font-size` to `62.5%`, so we can\n  // base all calculations on `10px`, but Chromium and Chrome define a minimal\n  // `font-size` of `12px` if the system language is set to Chinese. For this\n  // reason we just double the `font-size` and set it to `20px`.\n  //\n  // See https://github.com/squidfunk/mkdocs-material/issues/911\n  font-size: 125%;\n\n  // [screen medium +]: Set base `font-size` to `11px`\n  @include break-from-device(screen medium) {\n    font-size: 137.5%;\n  }\n\n  // [screen large +]: Set base `font-size` to `12px`\n  @include break-from-device(screen large) {\n    font-size: 150%;\n  }\n}\n\n// Stretch body to container - flexbox is used, so the footer will always be\n// aligned to the bottom of the viewport\nbody {\n  position: relative;\n  display: flex;\n  flex-direction: column;\n  width: 100%;\n  min-height: 100%;\n  // Hack: reset `font-size` to `10px`, so the spacing for all inline elements\n  // is correct again. Otherwise the spacing would be based on `20px`.\n  font-size: px2rem(10px);\n  background-color: var(--md-default-bg-color);\n\n  // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n  @media print {\n    display: block;\n  }\n\n  // Body in locked state\n  &[data-md-state=\"lock\"] {\n\n    // [tablet portrait -]: Omit scroll bubbling\n    @include break-to-device(tablet portrait) {\n      position: fixed;\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Grid container - this class is applied to wrapper elements within the\n// header, content area and footer, and makes sure that their width is limited\n// to `1220px`, and they are rendered centered if the screen is larger.\n.md-grid {\n  max-width: px2rem(1220px);\n  margin-right: auto;\n  margin-left: auto;\n}\n\n// Main container\n.md-container {\n  display: flex;\n  flex-direction: column;\n  flex-grow: 1;\n\n  // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n  @media print {\n    display: block;\n  }\n}\n\n// Main area - stretch to remaining space of container\n.md-main {\n  flex-grow: 1;\n\n  // Main area wrapper\n  &__inner {\n    display: flex;\n    height: 100%;\n    margin-top: px2rem(24px + 6px);\n  }\n}\n\n// Add ellipsis in case of overflowing text\n.md-ellipsis {\n  overflow: hidden;\n  white-space: nowrap;\n  text-overflow: ellipsis;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: navigational elements\n// ----------------------------------------------------------------------------\n\n// Toggle - this class is applied to the checkbox elements, which are used to\n// implement the CSS-only drawer and navigation, as well as the search\n.md-toggle {\n  display: none;\n}\n\n// Skip link\n.md-skip {\n  position: fixed;\n  // Hack: if we don't set the negative `z-index`, the skip link will force the\n  // creation of new layers when code blocks are near the header on scrolling\n  z-index: -1;\n  margin: px2rem(10px);\n  padding: px2rem(6px) px2rem(10px);\n  color: var(--md-default-bg-color);\n  font-size: px2rem(12.8px);\n  background-color: var(--md-default-fg-color);\n  border-radius: px2rem(2px);\n  transform: translateY(px2rem(8px));\n  opacity: 0;\n\n  // Show skip link on focus\n  &:focus {\n    z-index: 10;\n    transform: translateY(0);\n    opacity: 1;\n    transition:\n      transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n      opacity   175ms 75ms;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: print styles\n// ----------------------------------------------------------------------------\n\n// Add margins to page\n@page {\n  margin: 25mm;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Announcement bar\n.md-announce {\n  overflow: auto;\n  background-color: var(--md-footer-bg-color);\n\n  // [print]: Hide announcement bar\n  @media print {\n    display: none;\n  }\n\n  // Announcement wrapper\n  &__inner {\n    margin: px2rem(12px) auto;\n    padding: 0 px2rem(16px);\n    color: var(--md-footer-fg-color);\n    font-size: px2rem(14px);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Button to copy to clipboard\n.md-clipboard {\n  position: absolute;\n  top: px2em(8px);\n  right: px2em(8px);\n  z-index: 1;\n  width: px2em(24px);\n  height: px2em(24px);\n  color: var(--md-default-fg-color--lightest);\n  border-radius: px2rem(2px);\n  cursor: pointer;\n  transition: color 250ms;\n\n  // [print]: Hide button\n  @media print {\n    display: none;\n  }\n\n  // Hide outline for pointer devices\n  &:not(.focus-visible) {\n    outline: none;\n    -webkit-tap-highlight-color: transparent;\n  }\n\n  // Darken color on code block hover\n  :hover > & {\n    color: var(--md-default-fg-color--light);\n  }\n\n  // Button on focus/hover\n  &:focus,\n  &:hover {\n    color: var(--md-accent-fg-color);\n  }\n\n  // Button icon - the width and height are defined in `em`, so the size is\n  // automatically adjusted for nested code blocks (e.g. in admonitions)\n  &::after {\n    display: block;\n    width: px2em(18px);\n    height: px2em(18px);\n    margin: 0 auto;\n    background-color: currentColor;\n    mask-image: var(--md-clipboard-icon);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n  }\n\n  // Inline button\n  &--inline {\n    cursor: pointer;\n\n    // Code block\n    code {\n      transition:\n        color            250ms,\n        background-color 250ms;\n    }\n\n    // Code block on focus/hover\n    &:focus code,\n    &:hover code {\n      color: var(--md-accent-fg-color);\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Content area\n.md-content {\n  flex-grow: 1;\n  // Hack: we must use `overflow: hidden`, so the content area is capped by\n  // the dimensions of its parent. Otherwise, long code blocks might lead to\n  // a wider content area which will break everything. This, however, induces\n  // margin collapse, which will break scroll margins. Adding a large enough\n  // scroll padding seems to do the trick, at least in Chrome and Firefox.\n  overflow: hidden;\n  scroll-padding-top: px2rem(1024px);\n\n  // Content wrapper\n  &__inner {\n    margin: 0 px2rem(16px) px2rem(24px);\n    padding-top: px2rem(12px);\n\n    // [screen +]: Adjust spacing between content area and sidebars\n    @include break-from-device(screen) {\n\n      // Sidebar with navigation is visible\n      .md-sidebar--primary:not([hidden]) ~ .md-content > & {\n        margin-left: px2rem(24px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2rem(24px);\n          margin-left: px2rem(16px);\n        }\n      }\n\n      // Sidebar with table of contents is visible\n      .md-sidebar--secondary:not([hidden]) ~ .md-content > & {\n        margin-right: px2rem(24px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          margin-right: px2rem(16px);\n          margin-left: px2rem(24px);\n        }\n      }\n    }\n\n    // Hack: add pseudo element for spacing, as the overflow of the content\n    // container may not be hidden due to an imminent offset error on targets\n    &::before {\n      display: block;\n      height: px2rem(8px);\n      content: \"\";\n    }\n\n    // Adjust spacing on last child\n    > :last-child {\n      margin-bottom: 0;\n    }\n  }\n\n  // Button inside of the content area - these buttons are meant for actions on\n  // a document-level, i.e. linking to related source code files, printing etc.\n  &__button {\n    float: right;\n    margin: px2rem(8px) 0;\n    margin-left: px2rem(8px);\n    padding: 0;\n\n    // [print]: Hide buttons\n    @media print {\n      display: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      float: left;\n      margin-right: px2rem(8px);\n      margin-left: initial;\n\n      // Flip icon vertically\n      svg {\n        transform: scaleX(-1);\n      }\n    }\n\n    // Adjust default link color for icons\n    .md-typeset & {\n      color: var(--md-default-fg-color--lighter);\n    }\n\n    // Align with body copy located next to icon\n    svg {\n      display: inline;\n      vertical-align: top;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Dialog\n.md-dialog {\n  @include z-depth(2);\n\n  position: fixed;\n  right: px2rem(16px);\n  bottom: px2rem(16px);\n  left: initial;\n  z-index: 2;\n  min-width: px2rem(222px);\n  padding: px2rem(8px) px2rem(12px);\n  background-color: var(--md-default-fg-color);\n  border-radius: px2rem(2px);\n  transform: translateY(100%);\n  opacity: 0;\n  transition:\n    transform 0ms   400ms,\n    opacity   400ms;\n  pointer-events: none;\n\n  // [print]: Hide dialog\n  @media print {\n    display: none;\n  }\n\n  // Adjust for right-to-left languages\n  [dir=\"rtl\"] & {\n    right: initial;\n    left: px2rem(16px);\n  }\n\n  // Dialog in open state\n  &[data-md-state=\"open\"] {\n    transform: translateY(0);\n    opacity: 1;\n    transition:\n      transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1),\n      opacity   400ms;\n    pointer-events: initial;\n  }\n\n  // Dialog wrapper\n  &__inner {\n    color: var(--md-default-bg-color);\n    font-size: px2rem(14px);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Form button\n  .md-button {\n    display: inline-block;\n    padding: px2em(10px) px2em(32px);\n    color: var(--md-primary-fg-color);\n    font-weight: 700;\n    border: px2rem(2px) solid currentColor;\n    border-radius: px2rem(2px);\n    transition:\n      color            125ms,\n      background-color 125ms,\n      border-color     125ms;\n\n    // Primary button\n    &--primary {\n      color: var(--md-primary-bg-color);\n      background-color: var(--md-primary-fg-color);\n      border-color: var(--md-primary-fg-color);\n    }\n\n    // Button on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-bg-color);\n      background-color: var(--md-accent-fg-color);\n      border-color: var(--md-accent-fg-color);\n    }\n  }\n\n  // Form input\n  .md-input {\n    height: px2rem(36px);\n    padding: 0 px2rem(12px);\n    font-size: px2rem(16px);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px)   px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.1);\n    transition: box-shadow 250ms;\n\n    // Input on focus/hover\n    &:focus,\n    &:hover {\n      box-shadow:\n        0 px2rem(8px)   px2rem(20px) hsla(0, 0%, 0%, 0.15),\n        0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.15);\n    }\n\n    // Stretch to full width\n    &--stretch {\n      width: 100%;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Header - by default, the header will be sticky and stay always on top of the\n// viewport. If this behavior is not desired, just set `position: static`.\n.md-header {\n  position: sticky;\n  top: 0;\n  right: 0;\n  left: 0;\n  z-index: 2;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  // Hack: reduce jitter by adding a transparent box shadow of the same size\n  // so the size of the layer doesn't change during animation\n  box-shadow:\n    0 0           px2rem(4px) rgba(0, 0, 0, 0),\n    0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0);\n  transition:\n    color            250ms,\n    background-color 250ms;\n\n  // [print]: Hide header\n  @media print {\n    display: none;\n  }\n\n  // Header in shadow state, i.e. shadow is visible\n  &[data-md-state=\"shadow\"] {\n    box-shadow:\n      0 0           px2rem(4px) rgba(0, 0, 0, 0.1),\n      0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0.2);\n    transition:\n      transform        250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      color            250ms,\n      background-color 250ms,\n      box-shadow       250ms;\n  }\n\n  // Header in hidden state, i.e. moved out of sight\n  &[data-md-state=\"hidden\"] {\n    transform: translateY(-100%);\n    transition:\n      transform        250ms cubic-bezier(0.8, 0, 0.6, 1),\n      color            250ms,\n      background-color 250ms,\n      box-shadow       250ms;\n  }\n\n  // Header wrapper\n  &__inner {\n    display: flex;\n    align-items: center;\n    padding: 0 px2rem(4px);\n  }\n\n  // Header button\n  &__button {\n    position: relative;\n    z-index: 1;\n    display: inline-block;\n    margin: px2rem(4px);\n    padding: px2rem(8px);\n    color: currentColor;\n    vertical-align: middle;\n    cursor: pointer;\n    transition: opacity 250ms;\n\n    // Button on focus/hover\n    &:focus,\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n    }\n\n    // Button with logo, pointing to `config.site_url`\n    &.md-logo {\n      margin: px2rem(4px);\n      padding: px2rem(8px);\n\n      // [tablet -]: Hide button\n      @include break-to-device(tablet) {\n        display: none;\n      }\n\n      // Image or icon\n      img,\n      svg {\n        display: block;\n        width: px2rem(24px);\n        height: px2rem(24px);\n        fill: currentColor;\n      }\n    }\n\n    // Button for search\n    &[for=\"__search\"] {\n\n      // [tablet landscape +]: Hide button\n      @include break-from-device(tablet landscape) {\n        display: none;\n      }\n\n      // [no-js]: Hide button\n      .no-js & {\n        display: none;\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n\n    // Button for drawer\n    &[for=\"__drawer\"] {\n\n      // [screen +]: Hide button\n      @include break-from-device(screen) {\n        display: none;\n      }\n    }\n  }\n\n  // Header topic\n  &__topic {\n    position: absolute;\n    display: flex;\n    max-width: 100%;\n    transition:\n      transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      opacity   150ms;\n\n    // Second header topic - title of the current page\n    & + & {\n      z-index: -1;\n      transform: translateX(px2rem(25px));\n      opacity: 0;\n      transition:\n        transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(px2rem(-25px));\n      }\n    }\n  }\n\n  // Header title\n  &__title {\n    flex-grow: 1;\n    height: px2rem(48px);\n    margin-right: px2rem(8px);\n    margin-left: px2rem(20px);\n    font-size: px2rem(18px);\n    line-height: px2rem(48px);\n\n    // Header title in active state, i.e. page title is visible\n    &[data-md-state=\"active\"] .md-header__topic {\n      z-index: -1;\n      transform: translateX(px2rem(-25px));\n      opacity: 0;\n      transition:\n        transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(px2rem(25px));\n      }\n\n      // Second header topic - title of the current page\n      + .md-header__topic {\n        z-index: 0;\n        transform: translateX(0);\n        opacity: 1;\n        transition:\n          transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n          opacity   150ms;\n        pointer-events: initial;\n      }\n    }\n\n    // Add ellipsis in case of overflowing text\n    > .md-header__ellipsis {\n      position: relative;\n      width: 100%;\n      height: 100%;\n    }\n  }\n\n  // Header options\n  &__options {\n    display: flex;\n    flex-shrink: 0;\n    max-width: 100%;\n    white-space: nowrap;\n    transition:\n      max-width  0ms 250ms,\n      opacity  250ms 250ms;\n\n    // Hide inactive buttons\n    > [data-md-state=\"hidden\"] {\n      display: none;\n    }\n\n    // Hide toggle when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n      max-width: 0;\n      opacity: 0;\n      transition:\n        max-width 0ms,\n        opacity   0ms;\n    }\n  }\n\n  // Repository information container\n  &__source {\n    display: none;\n\n    // [tablet landscape +]: Show repository information\n    @include break-from-device(tablet landscape) {\n      display: block;\n      width: px2rem(234px);\n      max-width: px2rem(234px);\n      margin-left: px2rem(20px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(20px);\n        margin-left: initial;\n      }\n    }\n\n    // [screen +]: Adjust spacing of search bar\n    @include break-from-device(screen) {\n      margin-left: px2rem(28px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(28px);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Footer\n.md-footer {\n  color: var(--md-footer-fg-color);\n  background-color: var(--md-footer-bg-color);\n\n  // [print]: Hide footer\n  @media print {\n    display: none;\n  }\n\n  // Footer wrapper\n  &__inner {\n    padding: px2rem(4px);\n    overflow: auto;\n  }\n\n  // Footer link to previous and next page\n  &__link {\n    display: flex;\n    padding-top: px2rem(28px);\n    padding-bottom: px2rem(8px);\n    transition: opacity 250ms;\n\n    // [tablet +]: Adjust width to 50/50\n    @include break-from-device(tablet) {\n      width: 50%;\n    }\n\n    // Footer link on focus/hover\n    &:focus,\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Footer link to previous page\n    &--prev {\n      float: left;\n\n      // [mobile -]: Adjust width to 25/75 and hide title\n      @include break-to-device(mobile) {\n        width: 25%;\n\n        // Hide footer title\n        .md-footer__title {\n          display: none;\n        }\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: right;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n\n    // Footer link to next page\n    &--next {\n      float: right;\n      text-align: right;\n\n      // [mobile -]: Adjust width to 25/75\n      @include break-to-device(mobile) {\n        width: 75%;\n      }\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n        text-align: left;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n  }\n\n  // Footer title\n  &__title {\n    position: relative;\n    flex-grow: 1;\n    max-width: calc(100% - #{px2rem(48px)});\n    padding: 0 px2rem(20px);\n    font-size: px2rem(18px);\n    line-height: px2rem(48px);\n  }\n\n  // Footer link button\n  &__button {\n    margin: px2rem(4px);\n    padding: px2rem(8px);\n  }\n\n  // Footer link direction (i.e. prev and next)\n  &__direction {\n    position: absolute;\n    right: 0;\n    left: 0;\n    margin-top: px2rem(-20px);\n    padding: 0 px2rem(20px);\n    font-size: px2rem(12.8px);\n    opacity: 0.7;\n  }\n}\n\n// Footer metadata\n.md-footer-meta {\n  background-color: var(--md-footer-bg-color--dark);\n\n  // Footer metadata wrapper\n  &__inner {\n    display: flex;\n    flex-wrap: wrap;\n    justify-content: space-between;\n    padding: px2rem(4px);\n  }\n\n  // Lighten color for non-hovered text links\n  html &.md-typeset a {\n    color: var(--md-footer-fg-color--light);\n\n    // Text link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-footer-fg-color);\n    }\n  }\n}\n\n// Footer copyright and theme information\n.md-footer-copyright {\n  width: 100%;\n  margin: auto px2rem(12px);\n  padding: px2rem(8px) 0;\n  color: var(--md-footer-fg-color--lighter);\n  font-size: px2rem(12.8px);\n\n  // [tablet portrait +]: Show copyright and social links in one line\n  @include break-from-device(tablet portrait) {\n    width: auto;\n  }\n\n  // Footer copyright highlight - this is the upper part of the copyright and\n  // theme information, which will include a darker color than the theme link\n  &__highlight {\n    color: var(--md-footer-fg-color--light);\n  }\n}\n\n// Footer social links\n.md-footer-social {\n  margin: 0 px2rem(8px);\n  padding: px2rem(4px) 0 px2rem(12px);\n\n  // [tablet portrait +]: Show copyright and social links in one line\n  @include break-from-device(tablet portrait) {\n    padding: px2rem(12px) 0;\n  }\n\n  // Footer social link\n  &__link {\n    display: inline-block;\n    width: px2rem(32px);\n    height: px2rem(32px);\n    text-align: center;\n\n    // Adjust line-height to match height for correct alignment\n    &::before {\n      line-height: 1.9;\n    }\n\n    // Fill icon with current color\n    svg {\n      max-height: px2rem(16px);\n      vertical-align: -25%;\n      fill: currentColor;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n  --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n  --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Navigation\n.md-nav {\n  font-size: px2rem(14px);\n  line-height: 1.3;\n\n  // Navigation title\n  &__title {\n    display: block;\n    padding: 0 px2rem(12px);\n    overflow: hidden;\n    font-weight: 700;\n    text-overflow: ellipsis;\n\n    // Navigaton button\n    .md-nav__button {\n      display: none;\n\n      // Stretch images based on height, as it's the smaller dimension\n      img {\n        width: auto;\n        height: 100%;\n      }\n\n      // Button with logo, pointing to `config.site_url`\n      &.md-logo {\n\n        // Image or icon\n        img,\n        svg {\n          display: block;\n          width: px2rem(48px);\n          height: px2rem(48px);\n          fill: currentColor;\n        }\n      }\n    }\n  }\n\n  // Navigation list\n  &__list {\n    margin: 0;\n    padding: 0;\n    list-style: none;\n  }\n\n  // Navigation item\n  &__item {\n    padding: 0 px2rem(12px);\n\n    // Navigation item on level 2\n    & & {\n      padding-right: 0;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(12px);\n        padding-left: 0;\n      }\n    }\n  }\n\n  // Navigation link\n  &__link {\n    display: block;\n    margin-top: 0.625em;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    cursor: pointer;\n    transition: color 125ms;\n    scroll-snap-align: start;\n\n    // Link in blurred state\n    &[data-md-state=\"blur\"] {\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Active link\n    .md-nav__item &--active {\n      color: var(--md-typeset-a-color);\n    }\n\n    // Navigation link in nested list\n    .md-nav__item--nested > & {\n      color: inherit;\n    }\n\n    // Navigation link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n\n    // Navigation link to table of contents\n    .md-nav--primary &[for=\"__toc\"] {\n      display: none;\n\n      // Table of contents icon\n      .md-icon::after {\n        display: block;\n        width: 100%;\n        height: 100%;\n        mask-image: var(--md-toc-icon);\n        background-color: currentColor;\n      }\n\n      // Hide table of contents\n      ~ .md-nav {\n        display: none;\n      }\n    }\n  }\n\n  // Repository information container\n  &__source {\n    display: none;\n  }\n\n  // [tablet -]: Layered navigation\n  @include break-to-device(tablet) {\n\n    // Primary and nested navigation\n    &--primary,\n    &--primary & {\n      position: absolute;\n      top: 0;\n      right: 0;\n      left: 0;\n      z-index: 1;\n      display: flex;\n      flex-direction: column;\n      height: 100%;\n      background-color: var(--md-default-bg-color);\n    }\n\n    // Primary navigation\n    &--primary {\n\n      // Navigation title and item\n      .md-nav__title,\n      .md-nav__item {\n        font-size: px2rem(16px);\n        line-height: 1.5;\n      }\n\n      // Navigation title\n      .md-nav__title {\n        position: relative;\n        height: px2rem(112px);\n        padding: px2rem(60px) px2rem(16px) px2rem(4px);\n        color: var(--md-default-fg-color--light);\n        font-weight: 400;\n        line-height: px2rem(48px);\n        white-space: nowrap;\n        background-color: var(--md-default-fg-color--lightest);\n        cursor: pointer;\n\n        // Navigation icon\n        .md-nav__icon {\n          position: absolute;\n          top: px2rem(8px);\n          left: px2rem(8px);\n          display: block;\n          width: px2rem(24px);\n          height: px2rem(24px);\n          margin: px2rem(4px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: px2rem(8px);\n            left: initial;\n          }\n\n          // Navigation icon in link to previous level\n          &::after {\n            display: block;\n            width: 100%;\n            height: 100%;\n            background-color: currentColor;\n            mask-image: var(--md-nav-icon--prev);\n            mask-repeat: no-repeat;\n            mask-size: contain;\n            content: \"\";\n          }\n        }\n\n        // Navigation list\n        ~ .md-nav__list {\n          overflow-y: auto;\n          background-color: var(--md-default-bg-color);\n          box-shadow:\n            0 px2rem(1px) 0 var(--md-default-fg-color--lightest) inset;\n          scroll-snap-type: y mandatory;\n          touch-action: pan-y;\n\n          // Omit border on first child\n          > :first-child {\n            border-top: 0;\n          }\n        }\n\n        // Top-level navigation title\n        &[for=\"__drawer\"] {\n          color: var(--md-primary-bg-color);\n          background-color: var(--md-primary-fg-color);\n        }\n\n        // Button with logo, pointing to `config.site_url`\n        .md-logo {\n          position: absolute;\n          top: px2rem(4px);\n          left: px2rem(4px);\n          display: block;\n          margin: px2rem(4px);\n          padding: px2rem(8px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: px2rem(4px);\n            left: initial;\n          }\n        }\n      }\n\n      // Navigation list\n      .md-nav__list {\n        flex: 1;\n      }\n\n      // Navigation item\n      .md-nav__item {\n        padding: 0;\n        border-top: px2rem(1px) solid var(--md-default-fg-color--lightest);\n\n        // Navigation link in nested navigation\n        &--nested > .md-nav__link {\n          padding-right: px2rem(48px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            padding-right: px2rem(16px);\n            padding-left: px2rem(48px);\n          }\n        }\n\n        // Navigation link in active navigation\n        &--active > .md-nav__link {\n          color: var(--md-typeset-a-color);\n\n          // Navigation link on focus/hover\n          &:focus,\n          &:hover {\n            color: var(--md-accent-fg-color);\n          }\n        }\n      }\n\n      // Navigation link\n      .md-nav__link {\n        position: relative;\n        margin-top: 0;\n        padding: px2rem(12px) px2rem(16px);\n\n        // Navigation icon\n        .md-nav__icon {\n          position: absolute;\n          top: 50%;\n          right: px2rem(12px);\n          width: px2rem(24px);\n          height: px2rem(24px);\n          margin-top: px2rem(-12px);\n          color: inherit;\n          font-size: px2rem(24px);\n\n          // Adjust for right-to-left languages\n          [dir=\"rtl\"] & {\n            right: initial;\n            left: px2rem(12px);\n          }\n\n          // Navigation icon in link to next level\n          &::after {\n            display: block;\n            width: 100%;\n            height: 100%;\n            background-color: currentColor;\n            mask-image: var(--md-nav-icon--next);\n            mask-repeat: no-repeat;\n            mask-size: contain;\n            content: \"\";\n          }\n        }\n      }\n\n      // Flip icon vertically\n      .md-nav__icon {\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] &::after {\n          transform: scale(-1);\n        }\n      }\n\n      // Table of contents contained in primary navigation\n      .md-nav--secondary {\n\n        // Navigation link - omit unnecessary layering\n        .md-nav__link {\n          position: static;\n        }\n\n        // Navigation on level 2-6\n        .md-nav {\n          position: static;\n          background-color: transparent;\n\n          // Navigation link on level 3\n          .md-nav__link {\n            padding-left: px2rem(28px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(28px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 4\n          .md-nav .md-nav__link {\n            padding-left: px2rem(40px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(40px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 5\n          .md-nav .md-nav .md-nav__link {\n            padding-left: px2rem(52px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(52px);\n              padding-left: initial;\n            }\n          }\n\n          // Navigation link on level 6\n          .md-nav .md-nav .md-nav .md-nav__link {\n            padding-left: px2rem(64px);\n\n            // Adjust for right-to-left languages\n            [dir=\"rtl\"] & {\n              padding-right: px2rem(64px);\n              padding-left: initial;\n            }\n          }\n        }\n      }\n    }\n\n    // Table of contents\n    &--secondary {\n      background-color: transparent;\n    }\n\n    // Toggle for nested navigation\n    &__toggle ~ & {\n      display: flex;\n      transform: translateX(100%);\n      opacity: 0;\n      transition:\n        transform 250ms cubic-bezier(0.8, 0, 0.6, 1),\n        opacity   125ms 50ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        transform: translateX(-100%);\n      }\n    }\n\n    // Show nested navigation when toggle is active\n    &__toggle:checked ~ & {\n      transform: translateX(0);\n      opacity: 1;\n      transition:\n        transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n        opacity   125ms 125ms;\n\n      // Navigation list\n      > .md-nav__list {\n        // Hack: promote to own layer to reduce jitter\n        backface-visibility: hidden;\n      }\n    }\n  }\n\n  // [tablet portrait -]: Layered navigation with table of contents\n  @include break-to-device(tablet portrait) {\n\n    // Show link to table of contents\n    &--primary &__link[for=\"__toc\"] {\n      display: block;\n      padding-right: px2rem(48px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(16px);\n        padding-left: px2rem(48px);\n      }\n\n      // Show table of contents icon\n      .md-icon::after {\n        content: \"\";\n      }\n\n      // Hide navigation link to current page\n      + .md-nav__link {\n        display: none;\n      }\n\n      // Show table of contents\n      ~ .md-nav {\n        display: flex;\n      }\n    }\n\n    // Repository information container\n    &__source {\n      display: block;\n      padding: 0 px2rem(4px);\n      color: var(--md-primary-bg-color);\n      background-color: var(--md-primary-fg-color--dark);\n    }\n  }\n\n  // [tablet landscape]: Layered navigation with table of contents\n  @include break-at-device(tablet landscape) {\n\n    // Show link to integrated table of contents\n    &--integrated &__link[for=\"__toc\"] {\n      display: block;\n      padding-right: px2rem(48px);\n      scroll-snap-align: initial;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(16px);\n        padding-left: px2rem(48px);\n      }\n\n      // Show table of contents icon\n      .md-icon::after {\n        content: \"\";\n      }\n\n      // Hide navigation link to current page\n      + .md-nav__link {\n        display: none;\n      }\n\n      // Show table of contents\n      ~ .md-nav {\n        display: flex;\n      }\n    }\n  }\n\n  // [tablet landscape +]: Tree-like table of contents\n  @include break-from-device(tablet landscape) {\n\n    // Navigation title\n    &--secondary &__title {\n\n      // Adjust snapping behavior\n      &[for=\"__toc\"] {\n        scroll-snap-align: start;\n      }\n\n      // Hide navigation icon\n      .md-nav__icon {\n        display: none;\n      }\n    }\n  }\n\n  // [screen +]: Tree-like navigation\n  @include break-from-device(screen) {\n    transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n\n    // Navigation title\n    &--primary &__title {\n\n      // Adjust snapping behavior\n      &[for=\"__drawer\"] {\n        scroll-snap-align: start;\n      }\n\n      // Hide navigation icon\n      .md-nav__icon {\n        display: none;\n      }\n    }\n\n    // Hide toggle for nested navigation\n    &__toggle ~ & {\n      display: none;\n    }\n\n    // Show nested navigation when toggle is active or indeterminate\n    &__toggle:checked ~ &,\n    &__toggle:indeterminate ~ & {\n      display: block;\n    }\n\n    // Hide navigation title in nested navigation\n    &__item--nested > & > &__title {\n      display: none;\n    }\n\n    // Navigation section\n    &__item--section {\n      display: block;\n      margin: 1.25em 0;\n\n      // Adjust spacing on last child\n      &:last-child {\n        margin-bottom: 0;\n      }\n\n      // Hide navigation link, as sections are always expanded\n      > .md-nav__link {\n        display: none;\n      }\n\n      // Navigation\n      > .md-nav {\n        display: block;\n\n        // Navigation title\n        > .md-nav__title {\n          display: block;\n          padding: 0;\n          pointer-events: none;\n          scroll-snap-align: start;\n        }\n\n        // Adjust spacing on next level item\n        > .md-nav__list > .md-nav__item {\n          padding: 0;\n        }\n      }\n    }\n\n    // Navigation icon\n    &__icon {\n      float: right;\n      width: px2rem(18px);\n      height: px2rem(18px);\n      transition: transform 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n        transform: rotate(180deg);\n      }\n\n      // Navigation icon content\n      &::after {\n        display: inline-block;\n        width: 100%;\n        height: 100%;\n        vertical-align: px2rem(-2px);\n        background-color: currentColor;\n        mask-image: var(--md-nav-icon--next);\n        mask-repeat: no-repeat;\n        mask-size: contain;\n        content: \"\";\n      }\n\n      // Navigation icon - rotate icon when toggle is active or indeterminate\n      .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link &,\n      .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link & {\n        transform: rotate(90deg);\n      }\n    }\n\n    // Modifier for when navigation tabs are rendered\n    &--lifted {\n\n      // Hide nested items on level 1 and site title\n      > .md-nav__list > .md-nav__item--nested,\n      > .md-nav__title {\n        display: none;\n      }\n\n      // Hide level 1 items\n      > .md-nav__list > .md-nav__item {\n        display: none;\n\n        // Active parent navigation item\n        &--active {\n          display: block;\n          padding: 0;\n\n          // Hide nested links\n          > .md-nav__link {\n            display: none;\n          }\n\n          // Show title and adjust spacing\n          > .md-nav > .md-nav__title {\n            display: block;\n            padding: 0 px2rem(12px);\n            pointer-events: none;\n            scroll-snap-align: start;\n          }\n        }\n\n        // Adjust spacing for navigation item on level 2\n        > .md-nav__item {\n          padding-right: px2rem(12px);\n        }\n      }\n\n      // Hack: Always show active navigation tab on breakpoint screen, despite\n      // of checkbox being checked or not. Fixes #1655.\n      .md-nav[data-md-level=\"1\"] {\n        display: block;\n      }\n    }\n\n    // Modifier for when table of contents is rendered in primary navigation\n    &--integrated &__link[for=\"__toc\"] ~ .md-nav {\n      display: block;\n      margin-bottom: 1.25em;\n      border-left: px2rem(1px) solid var(--md-primary-fg-color);\n\n      // Hide navigation title\n      > .md-nav__title {\n        display: none;\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Search\n.md-search {\n  position: relative;\n\n  // [tablet landscape +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n    padding: px2rem(4px) 0;\n  }\n\n  // [no-js]: Hide search\n  .no-js & {\n    display: none;\n  }\n\n  // Search overlay\n  &__overlay {\n    z-index: 1;\n    opacity: 0;\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      position: absolute;\n      top: px2rem(4px);\n      left: px2rem(-44px);\n      width: px2rem(40px);\n      height: px2rem(40px);\n      overflow: hidden;\n      background-color: var(--md-default-bg-color);\n      border-radius: px2rem(20px);\n      transform-origin: center;\n      transition:\n        transform 300ms 100ms,\n        opacity   200ms 200ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(-44px);\n        left: initial;\n      }\n\n      // Show overlay when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        opacity: 1;\n        transition:\n          transform 400ms,\n          opacity   100ms;\n      }\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      position: fixed;\n      top: 0;\n      left: 0;\n      width: 0;\n      height: 0;\n      background-color: hsla(0, 0%, 0%, 0.54);\n      cursor: pointer;\n      transition:\n        width     0ms 250ms,\n        height    0ms 250ms,\n        opacity 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: 0;\n        left: initial;\n      }\n\n      // Show overlay when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        width: 100%;\n        // Hack: when the header is translated upon scrolling, a new layer is\n        // induced, which means that the height will now refer to the height of\n        // the header, albeit positioning is fixed. This should be mitigated\n        // in all cases when setting the height to 2x the viewport.\n        height: 200vh;\n        opacity: 1;\n        transition:\n          width     0ms,\n          height    0ms,\n          opacity 250ms;\n      }\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n      // [mobile portrait -]: Scale up 45 times\n      @include break-to-device(mobile portrait) {\n        transform: scale(45);\n      }\n\n      // [mobile landscape]: Scale up 60 times\n      @include break-at-device(mobile landscape) {\n        transform: scale(60);\n      }\n\n      // [tablet portrait]: Scale up 75 times\n      @include break-at-device(tablet portrait) {\n        transform: scale(75);\n      }\n    }\n  }\n\n  // Search wrapper\n  &__inner {\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      position: fixed;\n      top: 0;\n      left: 100%;\n      z-index: 2;\n      width: 100%;\n      height: 100%;\n      transform: translateX(5%);\n      opacity: 0;\n      transition:\n        right       0ms 300ms,\n        left        0ms 300ms,\n        transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1),\n        opacity   150ms 150ms;\n\n      // Adjust appearance when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        left: 0;\n        transform: translateX(0);\n        opacity: 1;\n        transition:\n          right       0ms   0ms,\n          left        0ms   0ms,\n          transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n          opacity   150ms 150ms;\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: 0;\n          left: initial;\n        }\n      }\n\n      // Adjust for right-to-left languages\n      html [dir=\"rtl\"] & {\n        right: 100%;\n        left: initial;\n        transform: translateX(-5%);\n      }\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      position: relative;\n      float: right;\n      width: px2rem(234px);\n      padding: px2rem(2px) 0;\n      transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: left;\n      }\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n      // [tablet landscape]: Omit overlaying header title\n      @include break-at-device(tablet landscape) {\n        width: px2rem(468px);\n      }\n\n      // [screen +]: Match width of content area\n      @include break-from-device(screen) {\n        width: px2rem(688px);\n      }\n    }\n  }\n\n  // Search form\n  &__form {\n    position: relative;\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      border-radius: px2rem(2px);\n    }\n  }\n\n  // Search input\n  &__input {\n    position: relative;\n    z-index: 2;\n    padding: 0 px2rem(44px) 0 px2rem(72px);\n    text-overflow: ellipsis;\n    background-color: var(--md-default-bg-color);\n    box-shadow: 0 0 px2rem(12px) transparent;\n    transition:\n      color            250ms,\n      background-color 250ms,\n      box-shadow       250ms;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding: 0 px2rem(72px) 0 px2rem(44px);\n    }\n\n    // Search placeholder\n    &::placeholder {\n      transition: color 250ms;\n    }\n\n    // Search icon and placeholder\n    ~ .md-search__icon,\n    &::placeholder {\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Remove the \"x\" rendered by Internet Explorer\n    &::-ms-clear {\n      display: none;\n    }\n\n    // Adjust appearance when search is active\n    [data-md-toggle=\"search\"]:checked ~ .md-header & {\n      box-shadow: 0 0 px2rem(12px) hsla(0, 0%, 0%, 0.07);\n    }\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      width: 100%;\n      height: px2rem(48px);\n      font-size: px2rem(18px);\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      width: 100%;\n      height: px2rem(36px);\n      padding-left: px2rem(44px);\n      color: inherit;\n      font-size: px2rem(16px);\n      background-color: hsla(0, 0%, 0%, 0.26);\n      border-radius: px2rem(2px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n      }\n\n      // Search icon\n      + .md-search__icon {\n        color: var(--md-primary-bg-color);\n      }\n\n      // Search placeholder\n      &::placeholder {\n        color: var(--md-primary-bg-color--light);\n      }\n\n      // Search input on hover\n      &:hover {\n        background-color: hsla(0, 0%, 100%, 0.12);\n      }\n\n      // Adjust appearance when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        color: var(--md-default-fg-color);\n        text-overflow: clip;\n        background-color: var(--md-default-bg-color);\n        border-radius: px2rem(2px) px2rem(2px) 0 0;\n\n        // Search icon and placeholder\n        + .md-search__icon,\n        &::placeholder {\n          color: var(--md-default-fg-color--light);\n        }\n      }\n    }\n  }\n\n  // Search icon\n  &__icon {\n    position: absolute;\n    z-index: 2;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    cursor: pointer;\n    transition:\n      color   250ms,\n      opacity 250ms;\n\n    // Search icon on hover\n    &:hover {\n      opacity: 0.7;\n    }\n\n    // Search focus button\n    &[for=\"__search\"] {\n      top: px2rem(6px);\n      left: px2rem(10px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(10px);\n        left: initial;\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n\n      // [tablet portrait -]: Search modal\n      @include break-to-device(tablet portrait) {\n        top: px2rem(12px);\n        left: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: px2rem(16px);\n          left: initial;\n        }\n\n        // Hide the magnifying glass\n        svg:first-child {\n          display: none;\n        }\n      }\n\n      // [tablet landscape +]: Header-embedded search\n      @include break-from-device(tablet landscape) {\n        pointer-events: none;\n\n        // Hide the back arrow\n        svg:last-child {\n          display: none;\n        }\n      }\n    }\n\n    // Search reset button\n    &[type=\"reset\"] {\n      top: px2rem(6px);\n      right: px2rem(10px);\n      transform: scale(0.75);\n      opacity: 0;\n      transition:\n        transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n        opacity   150ms;\n      pointer-events: none;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: initial;\n        left: px2rem(10px);\n      }\n\n      // [tablet portrait -]: Search modal\n      @include break-to-device(tablet portrait) {\n        top: px2rem(12px);\n        right: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          right: initial;\n          left: px2rem(16px);\n        }\n      }\n\n      // Show reset button when search is active and input non-empty\n      [data-md-toggle=\"search\"]:checked ~ .md-header\n      .md-search__input:valid ~ & {\n        transform: scale(1);\n        opacity: 1;\n        pointer-events: initial;\n\n        // Search focus icon\n        &:hover {\n          opacity: 0.7;\n        }\n      }\n    }\n  }\n\n  // Search output\n  &__output {\n    position: absolute;\n    z-index: 1;\n    width: 100%;\n    overflow: hidden;\n    border-radius: 0 0 px2rem(2px) px2rem(2px);\n\n    // [tablet portrait -]: Search modal\n    @include break-to-device(tablet portrait) {\n      top: px2rem(48px);\n      bottom: 0;\n    }\n\n    // [tablet landscape +]: Header-embedded search\n    @include break-from-device(tablet landscape) {\n      top: px2rem(38px);\n      opacity: 0;\n      transition: opacity 400ms;\n\n      // Show output when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        @include z-depth(6);\n\n        opacity: 1;\n      }\n    }\n  }\n\n  // Search scroll wrapper\n  &__scrollwrap {\n    height: 100%;\n    overflow-y: auto;\n    background-color: var(--md-default-bg-color);\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n    // Hack: Chrome 88+ has weird overscroll behavior. Overall, scroll snapping\n    // seems to be something that is not ready for prime time on some browsers.\n    // scroll-snap-type: y mandatory;\n    touch-action: pan-y;\n\n    // Mitigiate excessive repaints on non-retina devices\n    @media (max-resolution: 1dppx) {\n      transform: translateZ(0);\n    }\n\n    // [tablet landscape]: Set fixed width to omit unnecessary reflow\n    @include break-at-device(tablet landscape) {\n      width: px2rem(468px);\n    }\n\n    // [screen +]: Set fixed width to omit unnecessary reflow\n    @include break-from-device(screen) {\n      width: px2rem(688px);\n    }\n\n    // [tablet landscape +]: Limit height to viewport\n    @include break-from-device(tablet landscape) {\n      max-height: 0;\n      scrollbar-width: thin;\n      scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n      // Show scroll wrapper when search is active\n      [data-md-toggle=\"search\"]:checked ~ .md-header & {\n        max-height: 75vh;\n      }\n\n      // Search scroll wrapper on hover\n      &:hover {\n        scrollbar-color: var(--md-accent-fg-color) transparent;\n      }\n\n      // Webkit scrollbar\n      &::-webkit-scrollbar {\n        width: px2rem(4px);\n        height: px2rem(4px);\n      }\n\n      // Webkit scrollbar thumb\n      &::-webkit-scrollbar-thumb {\n        background-color: var(--md-default-fg-color--lighter);\n\n        // Webkit scrollbar thumb on hover\n        &:hover {\n          background-color: var(--md-accent-fg-color);\n        }\n      }\n    }\n  }\n}\n\n// Search result\n.md-search-result {\n  color: var(--md-default-fg-color);\n  word-break: break-word;\n\n  // Search result metadata\n  &__meta {\n    padding: 0 px2rem(16px);\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n    line-height: px2rem(36px);\n    background-color: var(--md-default-fg-color--lightest);\n    scroll-snap-align: start;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: initial;\n      }\n    }\n  }\n\n  // Search result list\n  &__list {\n    margin: 0;\n    padding: 0;\n    list-style: none;\n  }\n\n  // Search result item\n  &__item {\n    box-shadow: 0 px2rem(-1px) 0 var(--md-default-fg-color--lightest);\n\n    // Omit border on first child\n    &:first-child {\n      box-shadow: none;\n    }\n  }\n\n  // Search result link\n  &__link {\n    display: block;\n    outline: none;\n    transition: background-color 250ms;\n    scroll-snap-align: start;\n\n    // Search result link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n\n    // Adjust spacing on last child of last link\n    &:last-child p:last-child {\n      margin-bottom: px2rem(12px);\n    }\n  }\n\n  // Search result more link\n  &__more summary {\n    display: block;\n    padding: px2em(12px) px2rem(16px);\n    color: var(--md-typeset-a-color);\n    font-size: px2rem(12.8px);\n    outline: 0;\n    cursor: pointer;\n    transition:\n      color            250ms,\n      background-color 250ms;\n    scroll-snap-align: start;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: px2rem(16px);\n      }\n    }\n\n    // Search result more link on focus/hover\n    &:focus,\n    &:hover {\n      color: var(--md-accent-fg-color);\n      background-color: var(--md-accent-fg-color--transparent);\n    }\n\n    // Hide native details marker\n    &::marker,\n    &::-webkit-details-marker {\n      display: none;\n    }\n\n    // Adjust transparency of less relevant results\n    ~ * > * {\n      opacity: 0.65;\n    }\n  }\n\n  // Search result article\n  &__article {\n    position: relative;\n    padding: 0 px2rem(16px);\n    overflow: hidden;\n\n    // [tablet landscape +]: Adjust spacing\n    @include break-from-device(tablet landscape) {\n      padding-left: px2rem(44px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        padding-right: px2rem(44px);\n        padding-left: px2rem(16px);\n      }\n    }\n\n    // Search result article document\n    &--document {\n\n      // Search result title\n      .md-search-result__title {\n        margin: px2rem(11px) 0;\n        font-weight: 400;\n        font-size: px2rem(16px);\n        line-height: 1.4;\n      }\n    }\n  }\n\n  // Search result icon\n  &__icon {\n    position: absolute;\n    left: 0;\n    width: px2rem(24px);\n    height: px2rem(24px);\n    margin: px2rem(10px);\n    color: var(--md-default-fg-color--light);\n\n    // [tablet portrait -]: Hide icon\n    @include break-to-device(tablet portrait) {\n      display: none;\n    }\n\n    // Search result icon content\n    &::after {\n      display: inline-block;\n      width: 100%;\n      height: 100%;\n      background-color: currentColor;\n      mask-image: var(--md-search-result-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      right: 0;\n      left: initial;\n\n      // Flip icon vertically\n      &::after {\n        transform: scaleX(-1);\n      }\n    }\n  }\n\n  // Search result title\n  &__title {\n    margin: 0.5em 0;\n    font-weight: 700;\n    font-size: px2rem(12.8px);\n    line-height: 1.6;\n  }\n\n  // Search result teaser\n  &__teaser {\n    display: -webkit-box;\n    max-height: px2rem(40px);\n    margin: 0.5em 0;\n    overflow: hidden;\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n    line-height: 1.6;\n    text-overflow: ellipsis;\n    -webkit-box-orient: vertical;\n    -webkit-line-clamp: 2;\n\n    // [mobile -]: Adjust number of lines\n    @include break-to-device(mobile) {\n      max-height: px2rem(60px);\n      -webkit-line-clamp: 3;\n    }\n\n    // [tablet landscape]: Adjust number of lines\n    @include break-at-device(tablet landscape) {\n      max-height: px2rem(60px);\n      -webkit-line-clamp: 3;\n    }\n\n    // Search term highlighting\n    mark {\n      text-decoration: underline;\n      background-color: transparent;\n    }\n  }\n\n  // Search result terms\n  &__terms {\n    margin: 0.5em 0;\n    font-size: px2rem(12.8px);\n    font-style: italic;\n  }\n\n  // Search term highlighting\n  mark {\n    color: var(--md-accent-fg-color);\n    background-color: transparent;\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Selection\n.md-select {\n  position: relative;\n  z-index: 1;\n\n  // Selection bubble\n  &__inner {\n    position: absolute;\n    top: calc(100% - #{px2rem(4px)});\n    left: 50%;\n    max-height: 0;\n    margin-top: px2rem(4px);\n    color: var(--md-default-fg-color);\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.25);\n    transform: translate3d(-50%, px2rem(6px), 0);\n    opacity: 0;\n    transition:\n      transform  250ms 375ms,\n      opacity    250ms 250ms,\n      max-height   0ms 500ms;\n\n    // Selection bubble on parent focus/hover\n    .md-select:focus-within &,\n    .md-select:hover & {\n      max-height: px2rem(200px);\n      transform: translate3d(-50%, 0, 0);\n      opacity: 1;\n      transition:\n        transform  250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n        opacity    250ms,\n        max-height 250ms;\n    }\n\n    // Selection bubble handle\n    &::after {\n      position: absolute;\n      top: 0;\n      left: 50%;\n      width: 0;\n      height: 0;\n      margin-top: px2rem(-4px);\n      margin-left: px2rem(-4px);\n      border: px2rem(4px) solid transparent;\n      border-top: 0;\n      border-bottom-color: var(--md-default-bg-color);\n      content: \"\";\n    }\n  }\n\n  // Selection list\n  &__list {\n    max-height: inherit;\n    margin: 0;\n    padding: 0;\n    overflow: auto;\n    font-size: px2rem(16px);\n    list-style-type: none;\n    border-radius: px2rem(2px);\n  }\n\n  // Selection item\n  &__item {\n    line-height: px2rem(36px);\n  }\n\n  // Selection link\n  &__link {\n    display: block;\n    width: 100%;\n    padding-right: px2rem(24px);\n    padding-left: px2rem(12px);\n    cursor: pointer;\n    transition:\n      background-color 250ms,\n      color            250ms;\n    scroll-snap-align: start;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: px2rem(24px);\n    }\n\n    // Link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-default-fg-color--lightest);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Sidebar\n.md-sidebar {\n  position: sticky;\n  top: px2rem(48px);\n  flex-shrink: 0;\n  align-self: flex-start;\n  width: px2rem(242px);\n  padding: px2rem(24px) 0;\n\n  // [print]: Hide sidebar\n  @media print {\n    display: none;\n  }\n\n  // [tablet -]: Show navigation as drawer\n  @include break-to-device(tablet) {\n\n    // Primary sidebar with navigation\n    &--primary {\n      position: fixed;\n      top: 0;\n      left: px2rem(-242px);\n      z-index: 3;\n      display: block;\n      width: px2rem(242px);\n      height: 100%;\n      background-color: var(--md-default-bg-color);\n      transform: translateX(0);\n      transition:\n        transform  250ms cubic-bezier(0.4, 0, 0.2, 1),\n        box-shadow 250ms;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(-242px);\n        left: initial;\n      }\n\n      // Show sidebar when drawer is active\n      [data-md-toggle=\"drawer\"]:checked ~ .md-container & {\n        @include z-depth(8);\n\n        transform: translateX(px2rem(242px));\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          transform: translateX(px2rem(-242px));\n        }\n      }\n\n      // Stretch scroll wrapper for primary sidebar\n      .md-sidebar__scrollwrap {\n        position: absolute;\n        top: 0;\n        right: 0;\n        bottom: 0;\n        left: 0;\n        margin: 0;\n        scroll-snap-type: none;\n        overflow: hidden;\n      }\n    }\n  }\n\n  // [screen +]: Show navigation as sidebar\n  @include break-from-device(screen) {\n    height: 0;\n\n    // [no-js]: Switch to native sticky behavior\n    .no-js & {\n      height: auto;\n    }\n  }\n\n  // Secondary sidebar with table of contents\n  &--secondary {\n    display: none;\n    order: 2;\n\n    // [tablet landscape +]: Show table of contents as sidebar\n    @include break-from-device(tablet landscape) {\n      height: 0;\n\n      // [no-js]: Switch to native sticky behavior\n      .no-js & {\n        height: auto;\n      }\n\n      // Sidebar is visible\n      &:not([hidden]) {\n        display: block;\n      }\n\n      // Ensure smooth scrolling on iOS\n      .md-sidebar__scrollwrap {\n        touch-action: pan-y;\n      }\n    }\n  }\n\n  // Sidebar scroll wrapper\n  &__scrollwrap {\n    margin: 0 px2rem(4px);\n    overflow-y: auto;\n    // Hack: promote to own layer to reduce jitter\n    backface-visibility: hidden;\n    // Hack: Chrome 81+ exhibits a strange bug, where it scrolls the container\n    // to the bottom if `scroll-snap-type` is set on the initial render. For\n    // this reason, we disable scroll snapping until this is resolved (#1667).\n    // scroll-snap-type: y mandatory;\n    scrollbar-width: thin;\n    scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n    // Sidebar scroll wrapper on hover\n    &:hover {\n      scrollbar-color: var(--md-accent-fg-color) transparent;\n    }\n\n    // Webkit scrollbar\n    &::-webkit-scrollbar {\n      width: px2rem(4px);\n      height: px2rem(4px);\n    }\n\n    // Webkit scrollbar thumb\n    &::-webkit-scrollbar-thumb {\n      background-color: var(--md-default-fg-color--lighter);\n\n      // Webkit scrollbar thumb on hover\n      &:hover {\n        background-color: var(--md-accent-fg-color);\n      }\n    }\n  }\n}\n\n// [tablet -]: Show overlay on active drawer\n@include break-to-device(tablet) {\n\n  // Sidebar overlay\n  .md-overlay {\n    position: fixed;\n    top: 0;\n    z-index: 3;\n    width: 0;\n    height: 0;\n    background-color: hsla(0, 0%, 0%, 0.54);\n    opacity: 0;\n    transition:\n      width     0ms 250ms,\n      height    0ms 250ms,\n      opacity 250ms;\n\n    // Show overlay when drawer is active\n    [data-md-toggle=\"drawer\"]:checked ~ & {\n      width: 100%;\n      height: 100%;\n      opacity: 1;\n      transition:\n        width     0ms,\n        height    0ms,\n        opacity 250ms;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Navigation tabs\n.md-tabs {\n  width: 100%;\n  overflow: auto;\n  color: var(--md-primary-bg-color);\n  background-color: var(--md-primary-fg-color);\n  transition: background-color 250ms;\n\n  // [print]: Hide tabs\n  @media print {\n    display: none;\n  }\n\n  // [tablet -]: Hide tabs\n  @include break-to-device(tablet) {\n    display: none;\n  }\n\n  // Tabs in hidden state, i.e. when scrolling down\n  &[data-md-state=\"hidden\"] {\n    pointer-events: none;\n  }\n\n  // Navigation tabs list\n  &__list {\n    margin: 0;\n    margin-left: px2rem(4px);\n    padding: 0;\n    white-space: nowrap;\n    list-style: none;\n    contain: content;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(4px);\n      margin-left: initial;\n    }\n  }\n\n  // Navigation tabs item\n  &__item {\n    display: inline-block;\n    height: px2rem(48px);\n    padding-right: px2rem(12px);\n    padding-left: px2rem(12px);\n  }\n\n  // Navigation tabs link - could be defined as block elements and aligned via\n  // line height, but this would imply more repaints when scrolling\n  &__link {\n    display: block;\n    margin-top: px2rem(16px);\n    font-size: px2rem(14px);\n    // Hack: save a repaint when tabs are appearing on scrolling up\n    backface-visibility: hidden;\n    opacity: 0.7;\n    transition:\n      transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n      opacity   250ms;\n\n    // Active link and link on focus/hover\n    &--active,\n    &:focus,\n    &:hover {\n      color: inherit;\n      opacity: 1;\n    }\n\n    // Delay transitions by a small amount\n    @for $i from 2 through 16 {\n      .md-tabs__item:nth-child(#{$i}) & {\n        transition-delay: 20ms * ($i - 1);\n      }\n    }\n\n    // Hide tabs upon scrolling - disable transition to minimizes repaints\n    // while scrolling down, while scrolling up seems to be okay\n    .md-tabs[data-md-state=\"hidden\"] & {\n      transform: translateY(50%);\n      opacity: 0;\n      transition:\n        transform 0ms 100ms,\n        opacity 100ms;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Version selection\n.md-version {\n  flex-shrink: 0;\n  height: px2rem(48px);\n  font-size: px2rem(16px);\n\n  // Current selection\n  &__current {\n    position: relative;\n    // Hack: in general, we would use `vertical-align` to align the version at\n    // the bottom with the title, but since the list uses absolute positioning,\n    // this won't work consistently. Furthermore, we would need to use inline\n    // positioning to align the links, which looks jagged.\n    top: px2rem(1px);\n    margin-right: px2rem(8px);\n    margin-left: px2rem(28px);\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(28px);\n      margin-left: px2rem(8px);\n    }\n\n    // Version selection icon\n    &::after {\n      display: inline-block;\n      width: px2rem(8px);\n      height: px2rem(12px);\n      margin-left: px2rem(8px);\n      background-color: currentColor;\n      mask-image: var(--md-version-icon);\n      mask-repeat: no-repeat;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        margin-right: px2rem(8px);\n        margin-left: initial;\n      }\n    }\n  }\n\n  // Version selection list\n  &__list {\n    position: absolute;\n    top: px2rem(3px);\n    z-index: 1;\n    max-height: px2rem(36px);\n    margin: px2rem(4px) px2rem(16px);\n    padding: 0;\n    overflow: auto;\n    color: var(--md-default-fg-color);\n    list-style-type: none;\n    background-color: var(--md-default-bg-color);\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.25);\n    opacity: 0;\n    transition:\n      max-height 0ms 500ms,\n      opacity  250ms 250ms;\n    scroll-snap-type: y mandatory;\n\n    // List on focus/hover\n    &:focus-within,\n    &:hover {\n      max-height: px2rem(200px);\n      opacity: 1;\n      transition:\n        max-height 250ms,\n        opacity    250ms;\n    }\n  }\n\n  // Version selection item\n  &__item {\n    line-height: px2rem(36px);\n  }\n\n  // Version selection link\n  &__link {\n    display: block;\n    width: 100%;\n    padding-right: px2rem(24px);\n    padding-left: px2rem(12px);\n    white-space: nowrap;\n    cursor: pointer;\n    transition:\n      color            250ms,\n      background-color 250ms;\n    scroll-snap-align: start;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding-right: px2rem(12px);\n      padding-left: px2rem(24px);\n    }\n\n    // Link on focus/hover\n    &:focus,\n    &:hover {\n      background-color: var(--md-default-fg-color--lightest);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n/// Admonition flavours\n$admonitions: (\n  note:                       pencil $clr-blue-a200,\n  abstract summary tldr:      text-subject $clr-light-blue-a400,\n  info todo:                  information $clr-cyan-a700,\n  tip hint important:         fire $clr-teal-a700,\n  success check done:         check-circle $clr-green-a700,\n  question help faq:          help-circle $clr-light-green-a700,\n  warning caution attention:  alert $clr-orange-a400,\n  failure fail missing:       close-circle $clr-red-a200,\n  danger error:               flash-circle $clr-red-a400,\n  bug:                        bug $clr-pink-a400,\n  example:                    format-list-numbered $clr-deep-purple-a200,\n  quote cite:                 format-quote-close $clr-grey\n) !default;\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  @each $names, $props in $admonitions {\n    --md-admonition-icon--#{nth($names, 1)}:\n      svg-load(\"material/#{nth($props, 1)}.svg\");\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Admonition\n  .admonition {\n    margin: px2em(20px, 12.8px) 0;\n    padding: 0 px2rem(12px);\n    overflow: hidden;\n    color: var(--md-admonition-fg-color);\n    font-size: px2rem(12.8px);\n    page-break-inside: avoid;\n    background-color: var(--md-admonition-bg-color);\n    border-left: px2rem(4px) solid $clr-blue-a200;\n    border-radius: px2rem(2px);\n    box-shadow:\n      0 px2rem(4px)   px2rem(10px) hsla(0, 0%, 0%, 0.05),\n      0 px2rem(0.5px) px2rem(1px)  hsla(0, 0%, 0%, 0.05);\n\n    // [print]: Omit shadow as it may lead to rendering errors\n    @media print {\n      box-shadow: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      border-right: px2rem(4px) solid $clr-blue-a200;\n      border-left: none;\n    }\n\n    // Adjust vertical spacing for nested admonitions\n    .admonition {\n      margin-top: 1em;\n      margin-bottom: 1em;\n    }\n\n    // Adjust spacing for contained table wrappers\n    .md-typeset__scrollwrap {\n      margin: 1em px2rem(-12px);\n    }\n\n    // Adjust spacing for contained tables\n    .md-typeset__table {\n      padding: 0 px2rem(12px);\n    }\n\n    // Adjust spacing for single-child tabbed block container\n    > .tabbed-set:only-child {\n      margin-top: 0;\n    }\n\n    // Adjust spacing on last child\n    html & > :last-child {\n      margin-bottom: px2rem(12px);\n    }\n  }\n\n  // Admonition title\n  .admonition-title {\n    position: relative;\n    margin: 0 px2rem(-12px) 0 px2rem(-16px);\n    padding: px2rem(8px) px2rem(12px) px2rem(8px) px2rem(40px);\n    font-weight: 700;\n    background-color: transparentize($clr-blue-a200, 0.9);\n    border-left: px2rem(4px) solid $clr-blue-a200;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin: 0 px2rem(-16px) 0 px2rem(-12px);\n      padding: px2rem(8px) px2rem(40px) px2rem(8px) px2rem(12px);\n      border-right: px2rem(4px) solid $clr-blue-a200;\n      border-left: none;\n    }\n\n    // Adjust spacing for title-only admonitions\n    html &:last-child {\n      margin-bottom: 0;\n    }\n\n    // Admonition icon\n    &::before {\n      position: absolute;\n      left: px2rem(12px);\n      width: px2rem(20px);\n      height: px2rem(20px);\n      background-color: $clr-blue-a200;\n      mask-image: var(--md-admonition-icon--note);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: px2rem(12px);\n        left: initial;\n      }\n    }\n\n    // Adjust spacing on last tabbed block container child - if the tabbed\n    // block container is the sole child, it looks better to omit the margin\n    + .tabbed-set:last-child {\n      margin-top: 0;\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: flavours\n// ----------------------------------------------------------------------------\n\n@each $names, $props in $admonitions {\n  $name: nth($names, 1);\n  $tint: nth($props, 2);\n\n  // Admonition flavour\n  .md-typeset .admonition.#{$name} {\n    border-color: $tint;\n  }\n\n  // Admonition flavour title\n  .md-typeset .#{$name} > .admonition-title {\n    background-color: transparentize($tint, 0.9);\n    border-color: $tint;\n\n    // Admonition icon\n    &::before {\n      background-color: $tint;\n      mask-image: var(--md-admonition-icon--#{$name});\n      mask-repeat: no-repeat;\n      mask-size: contain;\n    }\n  }\n\n  // Define synonyms for flavours\n  @if length($names) > 1 {\n    @for $n from 2 through length($names) {\n      .#{nth($names, $n)} {\n        @extend .#{$name};\n      }\n    }\n  }\n}\n","// ==========================================================================\n//\n// Name:        UI Color Palette\n// Description: The color palette of material design.\n// Version:     2.3.1\n//\n// Author:      Denis Malinochkin\n// Git:         https://github.com/mrmlnc/material-color\n//\n// twitter:     @mrmlnc\n//\n// ==========================================================================\n\n\n//\n// List of base colors\n//\n\n// $clr-red\n// $clr-pink\n// $clr-purple\n// $clr-deep-purple\n// $clr-indigo\n// $clr-blue\n// $clr-light-blue\n// $clr-cyan\n// $clr-teal\n// $clr-green\n// $clr-light-green\n// $clr-lime\n// $clr-yellow\n// $clr-amber\n// $clr-orange\n// $clr-deep-orange\n// $clr-brown\n// $clr-grey\n// $clr-blue-grey\n// $clr-black\n// $clr-white\n\n\n//\n// Red\n//\n\n$clr-red-list: (\n  \"base\": #f44336,\n  \"50\":   #ffebee,\n  \"100\":  #ffcdd2,\n  \"200\":  #ef9a9a,\n  \"300\":  #e57373,\n  \"400\":  #ef5350,\n  \"500\":  #f44336,\n  \"600\":  #e53935,\n  \"700\":  #d32f2f,\n  \"800\":  #c62828,\n  \"900\":  #b71c1c,\n  \"a100\": #ff8a80,\n  \"a200\": #ff5252,\n  \"a400\": #ff1744,\n  \"a700\": #d50000\n);\n\n$clr-red:      map-get($clr-red-list, \"base\");\n\n$clr-red-50:   map-get($clr-red-list, \"50\");\n$clr-red-100:  map-get($clr-red-list, \"100\");\n$clr-red-200:  map-get($clr-red-list, \"200\");\n$clr-red-300:  map-get($clr-red-list, \"300\");\n$clr-red-400:  map-get($clr-red-list, \"400\");\n$clr-red-500:  map-get($clr-red-list, \"500\");\n$clr-red-600:  map-get($clr-red-list, \"600\");\n$clr-red-700:  map-get($clr-red-list, \"700\");\n$clr-red-800:  map-get($clr-red-list, \"800\");\n$clr-red-900:  map-get($clr-red-list, \"900\");\n$clr-red-a100: map-get($clr-red-list, \"a100\");\n$clr-red-a200: map-get($clr-red-list, \"a200\");\n$clr-red-a400: map-get($clr-red-list, \"a400\");\n$clr-red-a700: map-get($clr-red-list, \"a700\");\n\n\n//\n// Pink\n//\n\n$clr-pink-list: (\n  \"base\": #e91e63,\n  \"50\":   #fce4ec,\n  \"100\":  #f8bbd0,\n  \"200\":  #f48fb1,\n  \"300\":  #f06292,\n  \"400\":  #ec407a,\n  \"500\":  #e91e63,\n  \"600\":  #d81b60,\n  \"700\":  #c2185b,\n  \"800\":  #ad1457,\n  \"900\":  #880e4f,\n  \"a100\": #ff80ab,\n  \"a200\": #ff4081,\n  \"a400\": #f50057,\n  \"a700\": #c51162\n);\n\n$clr-pink:      map-get($clr-pink-list, \"base\");\n\n$clr-pink-50:   map-get($clr-pink-list, \"50\");\n$clr-pink-100:  map-get($clr-pink-list, \"100\");\n$clr-pink-200:  map-get($clr-pink-list, \"200\");\n$clr-pink-300:  map-get($clr-pink-list, \"300\");\n$clr-pink-400:  map-get($clr-pink-list, \"400\");\n$clr-pink-500:  map-get($clr-pink-list, \"500\");\n$clr-pink-600:  map-get($clr-pink-list, \"600\");\n$clr-pink-700:  map-get($clr-pink-list, \"700\");\n$clr-pink-800:  map-get($clr-pink-list, \"800\");\n$clr-pink-900:  map-get($clr-pink-list, \"900\");\n$clr-pink-a100: map-get($clr-pink-list, \"a100\");\n$clr-pink-a200: map-get($clr-pink-list, \"a200\");\n$clr-pink-a400: map-get($clr-pink-list, \"a400\");\n$clr-pink-a700: map-get($clr-pink-list, \"a700\");\n\n\n//\n// Purple\n//\n\n$clr-purple-list: (\n  \"base\": #9c27b0,\n  \"50\":   #f3e5f5,\n  \"100\":  #e1bee7,\n  \"200\":  #ce93d8,\n  \"300\":  #ba68c8,\n  \"400\":  #ab47bc,\n  \"500\":  #9c27b0,\n  \"600\":  #8e24aa,\n  \"700\":  #7b1fa2,\n  \"800\":  #6a1b9a,\n  \"900\":  #4a148c,\n  \"a100\": #ea80fc,\n  \"a200\": #e040fb,\n  \"a400\": #d500f9,\n  \"a700\": #aa00ff\n);\n\n$clr-purple:      map-get($clr-purple-list, \"base\");\n\n$clr-purple-50:   map-get($clr-purple-list, \"50\");\n$clr-purple-100:  map-get($clr-purple-list, \"100\");\n$clr-purple-200:  map-get($clr-purple-list, \"200\");\n$clr-purple-300:  map-get($clr-purple-list, \"300\");\n$clr-purple-400:  map-get($clr-purple-list, \"400\");\n$clr-purple-500:  map-get($clr-purple-list, \"500\");\n$clr-purple-600:  map-get($clr-purple-list, \"600\");\n$clr-purple-700:  map-get($clr-purple-list, \"700\");\n$clr-purple-800:  map-get($clr-purple-list, \"800\");\n$clr-purple-900:  map-get($clr-purple-list, \"900\");\n$clr-purple-a100: map-get($clr-purple-list, \"a100\");\n$clr-purple-a200: map-get($clr-purple-list, \"a200\");\n$clr-purple-a400: map-get($clr-purple-list, \"a400\");\n$clr-purple-a700: map-get($clr-purple-list, \"a700\");\n\n\n//\n// Deep purple\n//\n\n$clr-deep-purple-list: (\n  \"base\": #673ab7,\n  \"50\":   #ede7f6,\n  \"100\":  #d1c4e9,\n  \"200\":  #b39ddb,\n  \"300\":  #9575cd,\n  \"400\":  #7e57c2,\n  \"500\":  #673ab7,\n  \"600\":  #5e35b1,\n  \"700\":  #512da8,\n  \"800\":  #4527a0,\n  \"900\":  #311b92,\n  \"a100\": #b388ff,\n  \"a200\": #7c4dff,\n  \"a400\": #651fff,\n  \"a700\": #6200ea\n);\n\n$clr-deep-purple:      map-get($clr-deep-purple-list, \"base\");\n\n$clr-deep-purple-50:   map-get($clr-deep-purple-list, \"50\");\n$clr-deep-purple-100:  map-get($clr-deep-purple-list, \"100\");\n$clr-deep-purple-200:  map-get($clr-deep-purple-list, \"200\");\n$clr-deep-purple-300:  map-get($clr-deep-purple-list, \"300\");\n$clr-deep-purple-400:  map-get($clr-deep-purple-list, \"400\");\n$clr-deep-purple-500:  map-get($clr-deep-purple-list, \"500\");\n$clr-deep-purple-600:  map-get($clr-deep-purple-list, \"600\");\n$clr-deep-purple-700:  map-get($clr-deep-purple-list, \"700\");\n$clr-deep-purple-800:  map-get($clr-deep-purple-list, \"800\");\n$clr-deep-purple-900:  map-get($clr-deep-purple-list, \"900\");\n$clr-deep-purple-a100: map-get($clr-deep-purple-list, \"a100\");\n$clr-deep-purple-a200: map-get($clr-deep-purple-list, \"a200\");\n$clr-deep-purple-a400: map-get($clr-deep-purple-list, \"a400\");\n$clr-deep-purple-a700: map-get($clr-deep-purple-list, \"a700\");\n\n\n//\n// Indigo\n//\n\n$clr-indigo-list: (\n  \"base\": #3f51b5,\n  \"50\":   #e8eaf6,\n  \"100\":  #c5cae9,\n  \"200\":  #9fa8da,\n  \"300\":  #7986cb,\n  \"400\":  #5c6bc0,\n  \"500\":  #3f51b5,\n  \"600\":  #3949ab,\n  \"700\":  #303f9f,\n  \"800\":  #283593,\n  \"900\":  #1a237e,\n  \"a100\": #8c9eff,\n  \"a200\": #536dfe,\n  \"a400\": #3d5afe,\n  \"a700\": #304ffe\n);\n\n$clr-indigo:      map-get($clr-indigo-list, \"base\");\n\n$clr-indigo-50:   map-get($clr-indigo-list, \"50\");\n$clr-indigo-100:  map-get($clr-indigo-list, \"100\");\n$clr-indigo-200:  map-get($clr-indigo-list, \"200\");\n$clr-indigo-300:  map-get($clr-indigo-list, \"300\");\n$clr-indigo-400:  map-get($clr-indigo-list, \"400\");\n$clr-indigo-500:  map-get($clr-indigo-list, \"500\");\n$clr-indigo-600:  map-get($clr-indigo-list, \"600\");\n$clr-indigo-700:  map-get($clr-indigo-list, \"700\");\n$clr-indigo-800:  map-get($clr-indigo-list, \"800\");\n$clr-indigo-900:  map-get($clr-indigo-list, \"900\");\n$clr-indigo-a100: map-get($clr-indigo-list, \"a100\");\n$clr-indigo-a200: map-get($clr-indigo-list, \"a200\");\n$clr-indigo-a400: map-get($clr-indigo-list, \"a400\");\n$clr-indigo-a700: map-get($clr-indigo-list, \"a700\");\n\n\n//\n// Blue\n//\n\n$clr-blue-list: (\n  \"base\": #2196f3,\n  \"50\":   #e3f2fd,\n  \"100\":  #bbdefb,\n  \"200\":  #90caf9,\n  \"300\":  #64b5f6,\n  \"400\":  #42a5f5,\n  \"500\":  #2196f3,\n  \"600\":  #1e88e5,\n  \"700\":  #1976d2,\n  \"800\":  #1565c0,\n  \"900\":  #0d47a1,\n  \"a100\": #82b1ff,\n  \"a200\": #448aff,\n  \"a400\": #2979ff,\n  \"a700\": #2962ff\n);\n\n$clr-blue:      map-get($clr-blue-list, \"base\");\n\n$clr-blue-50:   map-get($clr-blue-list, \"50\");\n$clr-blue-100:  map-get($clr-blue-list, \"100\");\n$clr-blue-200:  map-get($clr-blue-list, \"200\");\n$clr-blue-300:  map-get($clr-blue-list, \"300\");\n$clr-blue-400:  map-get($clr-blue-list, \"400\");\n$clr-blue-500:  map-get($clr-blue-list, \"500\");\n$clr-blue-600:  map-get($clr-blue-list, \"600\");\n$clr-blue-700:  map-get($clr-blue-list, \"700\");\n$clr-blue-800:  map-get($clr-blue-list, \"800\");\n$clr-blue-900:  map-get($clr-blue-list, \"900\");\n$clr-blue-a100: map-get($clr-blue-list, \"a100\");\n$clr-blue-a200: map-get($clr-blue-list, \"a200\");\n$clr-blue-a400: map-get($clr-blue-list, \"a400\");\n$clr-blue-a700: map-get($clr-blue-list, \"a700\");\n\n\n//\n// Light Blue\n//\n\n$clr-light-blue-list: (\n  \"base\": #03a9f4,\n  \"50\":   #e1f5fe,\n  \"100\":  #b3e5fc,\n  \"200\":  #81d4fa,\n  \"300\":  #4fc3f7,\n  \"400\":  #29b6f6,\n  \"500\":  #03a9f4,\n  \"600\":  #039be5,\n  \"700\":  #0288d1,\n  \"800\":  #0277bd,\n  \"900\":  #01579b,\n  \"a100\": #80d8ff,\n  \"a200\": #40c4ff,\n  \"a400\": #00b0ff,\n  \"a700\": #0091ea\n);\n\n$clr-light-blue:      map-get($clr-light-blue-list, \"base\");\n\n$clr-light-blue-50:   map-get($clr-light-blue-list, \"50\");\n$clr-light-blue-100:  map-get($clr-light-blue-list, \"100\");\n$clr-light-blue-200:  map-get($clr-light-blue-list, \"200\");\n$clr-light-blue-300:  map-get($clr-light-blue-list, \"300\");\n$clr-light-blue-400:  map-get($clr-light-blue-list, \"400\");\n$clr-light-blue-500:  map-get($clr-light-blue-list, \"500\");\n$clr-light-blue-600:  map-get($clr-light-blue-list, \"600\");\n$clr-light-blue-700:  map-get($clr-light-blue-list, \"700\");\n$clr-light-blue-800:  map-get($clr-light-blue-list, \"800\");\n$clr-light-blue-900:  map-get($clr-light-blue-list, \"900\");\n$clr-light-blue-a100: map-get($clr-light-blue-list, \"a100\");\n$clr-light-blue-a200: map-get($clr-light-blue-list, \"a200\");\n$clr-light-blue-a400: map-get($clr-light-blue-list, \"a400\");\n$clr-light-blue-a700: map-get($clr-light-blue-list, \"a700\");\n\n\n//\n// Cyan\n//\n\n$clr-cyan-list: (\n  \"base\": #00bcd4,\n  \"50\":   #e0f7fa,\n  \"100\":  #b2ebf2,\n  \"200\":  #80deea,\n  \"300\":  #4dd0e1,\n  \"400\":  #26c6da,\n  \"500\":  #00bcd4,\n  \"600\":  #00acc1,\n  \"700\":  #0097a7,\n  \"800\":  #00838f,\n  \"900\":  #006064,\n  \"a100\": #84ffff,\n  \"a200\": #18ffff,\n  \"a400\": #00e5ff,\n  \"a700\": #00b8d4\n);\n\n$clr-cyan:      map-get($clr-cyan-list, \"base\");\n\n$clr-cyan-50:   map-get($clr-cyan-list, \"50\");\n$clr-cyan-100:  map-get($clr-cyan-list, \"100\");\n$clr-cyan-200:  map-get($clr-cyan-list, \"200\");\n$clr-cyan-300:  map-get($clr-cyan-list, \"300\");\n$clr-cyan-400:  map-get($clr-cyan-list, \"400\");\n$clr-cyan-500:  map-get($clr-cyan-list, \"500\");\n$clr-cyan-600:  map-get($clr-cyan-list, \"600\");\n$clr-cyan-700:  map-get($clr-cyan-list, \"700\");\n$clr-cyan-800:  map-get($clr-cyan-list, \"800\");\n$clr-cyan-900:  map-get($clr-cyan-list, \"900\");\n$clr-cyan-a100: map-get($clr-cyan-list, \"a100\");\n$clr-cyan-a200: map-get($clr-cyan-list, \"a200\");\n$clr-cyan-a400: map-get($clr-cyan-list, \"a400\");\n$clr-cyan-a700: map-get($clr-cyan-list, \"a700\");\n\n\n//\n// Teal\n//\n\n$clr-teal-list: (\n  \"base\": #009688,\n  \"50\":   #e0f2f1,\n  \"100\":  #b2dfdb,\n  \"200\":  #80cbc4,\n  \"300\":  #4db6ac,\n  \"400\":  #26a69a,\n  \"500\":  #009688,\n  \"600\":  #00897b,\n  \"700\":  #00796b,\n  \"800\":  #00695c,\n  \"900\":  #004d40,\n  \"a100\": #a7ffeb,\n  \"a200\": #64ffda,\n  \"a400\": #1de9b6,\n  \"a700\": #00bfa5\n);\n\n$clr-teal:      map-get($clr-teal-list, \"base\");\n\n$clr-teal-50:   map-get($clr-teal-list, \"50\");\n$clr-teal-100:  map-get($clr-teal-list, \"100\");\n$clr-teal-200:  map-get($clr-teal-list, \"200\");\n$clr-teal-300:  map-get($clr-teal-list, \"300\");\n$clr-teal-400:  map-get($clr-teal-list, \"400\");\n$clr-teal-500:  map-get($clr-teal-list, \"500\");\n$clr-teal-600:  map-get($clr-teal-list, \"600\");\n$clr-teal-700:  map-get($clr-teal-list, \"700\");\n$clr-teal-800:  map-get($clr-teal-list, \"800\");\n$clr-teal-900:  map-get($clr-teal-list, \"900\");\n$clr-teal-a100: map-get($clr-teal-list, \"a100\");\n$clr-teal-a200: map-get($clr-teal-list, \"a200\");\n$clr-teal-a400: map-get($clr-teal-list, \"a400\");\n$clr-teal-a700: map-get($clr-teal-list, \"a700\");\n\n\n//\n// Green\n//\n\n$clr-green-list: (\n  \"base\": #4caf50,\n  \"50\":   #e8f5e9,\n  \"100\":  #c8e6c9,\n  \"200\":  #a5d6a7,\n  \"300\":  #81c784,\n  \"400\":  #66bb6a,\n  \"500\":  #4caf50,\n  \"600\":  #43a047,\n  \"700\":  #388e3c,\n  \"800\":  #2e7d32,\n  \"900\":  #1b5e20,\n  \"a100\": #b9f6ca,\n  \"a200\": #69f0ae,\n  \"a400\": #00e676,\n  \"a700\": #00c853\n);\n\n$clr-green:      map-get($clr-green-list, \"base\");\n\n$clr-green-50:   map-get($clr-green-list, \"50\");\n$clr-green-100:  map-get($clr-green-list, \"100\");\n$clr-green-200:  map-get($clr-green-list, \"200\");\n$clr-green-300:  map-get($clr-green-list, \"300\");\n$clr-green-400:  map-get($clr-green-list, \"400\");\n$clr-green-500:  map-get($clr-green-list, \"500\");\n$clr-green-600:  map-get($clr-green-list, \"600\");\n$clr-green-700:  map-get($clr-green-list, \"700\");\n$clr-green-800:  map-get($clr-green-list, \"800\");\n$clr-green-900:  map-get($clr-green-list, \"900\");\n$clr-green-a100: map-get($clr-green-list, \"a100\");\n$clr-green-a200: map-get($clr-green-list, \"a200\");\n$clr-green-a400: map-get($clr-green-list, \"a400\");\n$clr-green-a700: map-get($clr-green-list, \"a700\");\n\n\n//\n// Light green\n//\n\n$clr-light-green-list: (\n  \"base\": #8bc34a,\n  \"50\":   #f1f8e9,\n  \"100\":  #dcedc8,\n  \"200\":  #c5e1a5,\n  \"300\":  #aed581,\n  \"400\":  #9ccc65,\n  \"500\":  #8bc34a,\n  \"600\":  #7cb342,\n  \"700\":  #689f38,\n  \"800\":  #558b2f,\n  \"900\":  #33691e,\n  \"a100\": #ccff90,\n  \"a200\": #b2ff59,\n  \"a400\": #76ff03,\n  \"a700\": #64dd17\n);\n\n$clr-light-green:      map-get($clr-light-green-list, \"base\");\n\n$clr-light-green-50:   map-get($clr-light-green-list, \"50\");\n$clr-light-green-100:  map-get($clr-light-green-list, \"100\");\n$clr-light-green-200:  map-get($clr-light-green-list, \"200\");\n$clr-light-green-300:  map-get($clr-light-green-list, \"300\");\n$clr-light-green-400:  map-get($clr-light-green-list, \"400\");\n$clr-light-green-500:  map-get($clr-light-green-list, \"500\");\n$clr-light-green-600:  map-get($clr-light-green-list, \"600\");\n$clr-light-green-700:  map-get($clr-light-green-list, \"700\");\n$clr-light-green-800:  map-get($clr-light-green-list, \"800\");\n$clr-light-green-900:  map-get($clr-light-green-list, \"900\");\n$clr-light-green-a100: map-get($clr-light-green-list, \"a100\");\n$clr-light-green-a200: map-get($clr-light-green-list, \"a200\");\n$clr-light-green-a400: map-get($clr-light-green-list, \"a400\");\n$clr-light-green-a700: map-get($clr-light-green-list, \"a700\");\n\n\n//\n// Lime\n//\n\n$clr-lime-list: (\n  \"base\": #cddc39,\n  \"50\":   #f9fbe7,\n  \"100\":  #f0f4c3,\n  \"200\":  #e6ee9c,\n  \"300\":  #dce775,\n  \"400\":  #d4e157,\n  \"500\":  #cddc39,\n  \"600\":  #c0ca33,\n  \"700\":  #afb42b,\n  \"800\":  #9e9d24,\n  \"900\":  #827717,\n  \"a100\": #f4ff81,\n  \"a200\": #eeff41,\n  \"a400\": #c6ff00,\n  \"a700\": #aeea00\n);\n\n$clr-lime:      map-get($clr-lime-list, \"base\");\n\n$clr-lime-50:   map-get($clr-lime-list, \"50\");\n$clr-lime-100:  map-get($clr-lime-list, \"100\");\n$clr-lime-200:  map-get($clr-lime-list, \"200\");\n$clr-lime-300:  map-get($clr-lime-list, \"300\");\n$clr-lime-400:  map-get($clr-lime-list, \"400\");\n$clr-lime-500:  map-get($clr-lime-list, \"500\");\n$clr-lime-600:  map-get($clr-lime-list, \"600\");\n$clr-lime-700:  map-get($clr-lime-list, \"700\");\n$clr-lime-800:  map-get($clr-lime-list, \"800\");\n$clr-lime-900:  map-get($clr-lime-list, \"900\");\n$clr-lime-a100: map-get($clr-lime-list, \"a100\");\n$clr-lime-a200: map-get($clr-lime-list, \"a200\");\n$clr-lime-a400: map-get($clr-lime-list, \"a400\");\n$clr-lime-a700: map-get($clr-lime-list, \"a700\");\n\n\n//\n// Yellow\n//\n\n$clr-yellow-list: (\n  \"base\": #ffeb3b,\n  \"50\":   #fffde7,\n  \"100\":  #fff9c4,\n  \"200\":  #fff59d,\n  \"300\":  #fff176,\n  \"400\":  #ffee58,\n  \"500\":  #ffeb3b,\n  \"600\":  #fdd835,\n  \"700\":  #fbc02d,\n  \"800\":  #f9a825,\n  \"900\":  #f57f17,\n  \"a100\": #ffff8d,\n  \"a200\": #ffff00,\n  \"a400\": #ffea00,\n  \"a700\": #ffd600\n);\n\n$clr-yellow:      map-get($clr-yellow-list, \"base\");\n\n$clr-yellow-50:   map-get($clr-yellow-list, \"50\");\n$clr-yellow-100:  map-get($clr-yellow-list, \"100\");\n$clr-yellow-200:  map-get($clr-yellow-list, \"200\");\n$clr-yellow-300:  map-get($clr-yellow-list, \"300\");\n$clr-yellow-400:  map-get($clr-yellow-list, \"400\");\n$clr-yellow-500:  map-get($clr-yellow-list, \"500\");\n$clr-yellow-600:  map-get($clr-yellow-list, \"600\");\n$clr-yellow-700:  map-get($clr-yellow-list, \"700\");\n$clr-yellow-800:  map-get($clr-yellow-list, \"800\");\n$clr-yellow-900:  map-get($clr-yellow-list, \"900\");\n$clr-yellow-a100: map-get($clr-yellow-list, \"a100\");\n$clr-yellow-a200: map-get($clr-yellow-list, \"a200\");\n$clr-yellow-a400: map-get($clr-yellow-list, \"a400\");\n$clr-yellow-a700: map-get($clr-yellow-list, \"a700\");\n\n\n//\n// amber\n//\n\n$clr-amber-list: (\n  \"base\": #ffc107,\n  \"50\":   #fff8e1,\n  \"100\":  #ffecb3,\n  \"200\":  #ffe082,\n  \"300\":  #ffd54f,\n  \"400\":  #ffca28,\n  \"500\":  #ffc107,\n  \"600\":  #ffb300,\n  \"700\":  #ffa000,\n  \"800\":  #ff8f00,\n  \"900\":  #ff6f00,\n  \"a100\": #ffe57f,\n  \"a200\": #ffd740,\n  \"a400\": #ffc400,\n  \"a700\": #ffab00\n);\n\n$clr-amber:      map-get($clr-amber-list, \"base\");\n\n$clr-amber-50:   map-get($clr-amber-list, \"50\");\n$clr-amber-100:  map-get($clr-amber-list, \"100\");\n$clr-amber-200:  map-get($clr-amber-list, \"200\");\n$clr-amber-300:  map-get($clr-amber-list, \"300\");\n$clr-amber-400:  map-get($clr-amber-list, \"400\");\n$clr-amber-500:  map-get($clr-amber-list, \"500\");\n$clr-amber-600:  map-get($clr-amber-list, \"600\");\n$clr-amber-700:  map-get($clr-amber-list, \"700\");\n$clr-amber-800:  map-get($clr-amber-list, \"800\");\n$clr-amber-900:  map-get($clr-amber-list, \"900\");\n$clr-amber-a100: map-get($clr-amber-list, \"a100\");\n$clr-amber-a200: map-get($clr-amber-list, \"a200\");\n$clr-amber-a400: map-get($clr-amber-list, \"a400\");\n$clr-amber-a700: map-get($clr-amber-list, \"a700\");\n\n\n//\n// Orange\n//\n\n$clr-orange-list: (\n  \"base\": #ff9800,\n  \"50\":   #fff3e0,\n  \"100\":  #ffe0b2,\n  \"200\":  #ffcc80,\n  \"300\":  #ffb74d,\n  \"400\":  #ffa726,\n  \"500\":  #ff9800,\n  \"600\":  #fb8c00,\n  \"700\":  #f57c00,\n  \"800\":  #ef6c00,\n  \"900\":  #e65100,\n  \"a100\": #ffd180,\n  \"a200\": #ffab40,\n  \"a400\": #ff9100,\n  \"a700\": #ff6d00\n);\n\n$clr-orange:      map-get($clr-orange-list, \"base\");\n\n$clr-orange-50:   map-get($clr-orange-list, \"50\");\n$clr-orange-100:  map-get($clr-orange-list, \"100\");\n$clr-orange-200:  map-get($clr-orange-list, \"200\");\n$clr-orange-300:  map-get($clr-orange-list, \"300\");\n$clr-orange-400:  map-get($clr-orange-list, \"400\");\n$clr-orange-500:  map-get($clr-orange-list, \"500\");\n$clr-orange-600:  map-get($clr-orange-list, \"600\");\n$clr-orange-700:  map-get($clr-orange-list, \"700\");\n$clr-orange-800:  map-get($clr-orange-list, \"800\");\n$clr-orange-900:  map-get($clr-orange-list, \"900\");\n$clr-orange-a100: map-get($clr-orange-list, \"a100\");\n$clr-orange-a200: map-get($clr-orange-list, \"a200\");\n$clr-orange-a400: map-get($clr-orange-list, \"a400\");\n$clr-orange-a700: map-get($clr-orange-list, \"a700\");\n\n\n//\n// Deep orange\n//\n\n$clr-deep-orange-list: (\n  \"base\": #ff5722,\n  \"50\":   #fbe9e7,\n  \"100\":  #ffccbc,\n  \"200\":  #ffab91,\n  \"300\":  #ff8a65,\n  \"400\":  #ff7043,\n  \"500\":  #ff5722,\n  \"600\":  #f4511e,\n  \"700\":  #e64a19,\n  \"800\":  #d84315,\n  \"900\":  #bf360c,\n  \"a100\": #ff9e80,\n  \"a200\": #ff6e40,\n  \"a400\": #ff3d00,\n  \"a700\": #dd2c00\n);\n\n$clr-deep-orange:      map-get($clr-deep-orange-list, \"base\");\n\n$clr-deep-orange-50:   map-get($clr-deep-orange-list, \"50\");\n$clr-deep-orange-100:  map-get($clr-deep-orange-list, \"100\");\n$clr-deep-orange-200:  map-get($clr-deep-orange-list, \"200\");\n$clr-deep-orange-300:  map-get($clr-deep-orange-list, \"300\");\n$clr-deep-orange-400:  map-get($clr-deep-orange-list, \"400\");\n$clr-deep-orange-500:  map-get($clr-deep-orange-list, \"500\");\n$clr-deep-orange-600:  map-get($clr-deep-orange-list, \"600\");\n$clr-deep-orange-700:  map-get($clr-deep-orange-list, \"700\");\n$clr-deep-orange-800:  map-get($clr-deep-orange-list, \"800\");\n$clr-deep-orange-900:  map-get($clr-deep-orange-list, \"900\");\n$clr-deep-orange-a100: map-get($clr-deep-orange-list, \"a100\");\n$clr-deep-orange-a200: map-get($clr-deep-orange-list, \"a200\");\n$clr-deep-orange-a400: map-get($clr-deep-orange-list, \"a400\");\n$clr-deep-orange-a700: map-get($clr-deep-orange-list, \"a700\");\n\n\n//\n// Brown\n//\n\n$clr-brown-list: (\n  \"base\": #795548,\n  \"50\":   #efebe9,\n  \"100\":  #d7ccc8,\n  \"200\":  #bcaaa4,\n  \"300\":  #a1887f,\n  \"400\":  #8d6e63,\n  \"500\":  #795548,\n  \"600\":  #6d4c41,\n  \"700\":  #5d4037,\n  \"800\":  #4e342e,\n  \"900\":  #3e2723,\n);\n\n$clr-brown:     map-get($clr-brown-list, \"base\");\n\n$clr-brown-50:  map-get($clr-brown-list, \"50\");\n$clr-brown-100: map-get($clr-brown-list, \"100\");\n$clr-brown-200: map-get($clr-brown-list, \"200\");\n$clr-brown-300: map-get($clr-brown-list, \"300\");\n$clr-brown-400: map-get($clr-brown-list, \"400\");\n$clr-brown-500: map-get($clr-brown-list, \"500\");\n$clr-brown-600: map-get($clr-brown-list, \"600\");\n$clr-brown-700: map-get($clr-brown-list, \"700\");\n$clr-brown-800: map-get($clr-brown-list, \"800\");\n$clr-brown-900: map-get($clr-brown-list, \"900\");\n\n\n//\n// Grey\n//\n\n$clr-grey-list: (\n  \"base\": #9e9e9e,\n  \"50\":   #fafafa,\n  \"100\":  #f5f5f5,\n  \"200\":  #eeeeee,\n  \"300\":  #e0e0e0,\n  \"400\":  #bdbdbd,\n  \"500\":  #9e9e9e,\n  \"600\":  #757575,\n  \"700\":  #616161,\n  \"800\":  #424242,\n  \"900\":  #212121,\n);\n\n$clr-grey:     map-get($clr-grey-list, \"base\");\n\n$clr-grey-50:  map-get($clr-grey-list, \"50\");\n$clr-grey-100: map-get($clr-grey-list, \"100\");\n$clr-grey-200: map-get($clr-grey-list, \"200\");\n$clr-grey-300: map-get($clr-grey-list, \"300\");\n$clr-grey-400: map-get($clr-grey-list, \"400\");\n$clr-grey-500: map-get($clr-grey-list, \"500\");\n$clr-grey-600: map-get($clr-grey-list, \"600\");\n$clr-grey-700: map-get($clr-grey-list, \"700\");\n$clr-grey-800: map-get($clr-grey-list, \"800\");\n$clr-grey-900: map-get($clr-grey-list, \"900\");\n\n\n//\n// Blue grey\n//\n\n$clr-blue-grey-list: (\n  \"base\": #607d8b,\n  \"50\":   #eceff1,\n  \"100\":  #cfd8dc,\n  \"200\":  #b0bec5,\n  \"300\":  #90a4ae,\n  \"400\":  #78909c,\n  \"500\":  #607d8b,\n  \"600\":  #546e7a,\n  \"700\":  #455a64,\n  \"800\":  #37474f,\n  \"900\":  #263238,\n);\n\n$clr-blue-grey:     map-get($clr-blue-grey-list, \"base\");\n\n$clr-blue-grey-50:  map-get($clr-blue-grey-list, \"50\");\n$clr-blue-grey-100: map-get($clr-blue-grey-list, \"100\");\n$clr-blue-grey-200: map-get($clr-blue-grey-list, \"200\");\n$clr-blue-grey-300: map-get($clr-blue-grey-list, \"300\");\n$clr-blue-grey-400: map-get($clr-blue-grey-list, \"400\");\n$clr-blue-grey-500: map-get($clr-blue-grey-list, \"500\");\n$clr-blue-grey-600: map-get($clr-blue-grey-list, \"600\");\n$clr-blue-grey-700: map-get($clr-blue-grey-list, \"700\");\n$clr-blue-grey-800: map-get($clr-blue-grey-list, \"800\");\n$clr-blue-grey-900: map-get($clr-blue-grey-list, \"900\");\n\n\n//\n// Black\n//\n\n$clr-black-list: (\n  \"base\": #000\n);\n\n$clr-black: map-get($clr-black-list, \"base\");\n\n\n//\n// White\n//\n\n$clr-white-list: (\n  \"base\": #fff\n);\n\n$clr-white: map-get($clr-white-list, \"base\");\n\n\n//\n// List for all Colors for looping\n//\n\n$clr-list-all: (\n  \"red\":         $clr-red-list,\n  \"pink\":        $clr-pink-list,\n  \"purple\":      $clr-purple-list,\n  \"deep-purple\": $clr-deep-purple-list,\n  \"indigo\":      $clr-indigo-list,\n  \"blue\":        $clr-blue-list,\n  \"light-blue\":  $clr-light-blue-list,\n  \"cyan\":        $clr-cyan-list,\n  \"teal\":        $clr-teal-list,\n  \"green\":       $clr-green-list,\n  \"light-green\": $clr-light-green-list,\n  \"lime\":        $clr-lime-list,\n  \"yellow\":      $clr-yellow-list,\n  \"amber\":       $clr-amber-list,\n  \"orange\":      $clr-orange-list,\n  \"deep-orange\": $clr-deep-orange-list,\n  \"brown\":       $clr-brown-list,\n  \"grey\":        $clr-grey-list,\n  \"blue-grey\":   $clr-blue-grey-list,\n  \"black\":       $clr-black-list,\n  \"white\":       $clr-white-list\n);\n\n\n//\n// Typography\n//\n\n$clr-ui-display-4: $clr-grey-600;\n$clr-ui-display-3: $clr-grey-600;\n$clr-ui-display-2: $clr-grey-600;\n$clr-ui-display-1: $clr-grey-600;\n$clr-ui-headline:  $clr-grey-900;\n$clr-ui-title:     $clr-grey-900;\n$clr-ui-subhead-1: $clr-grey-900;\n$clr-ui-body-2:    $clr-grey-900;\n$clr-ui-body-1:    $clr-grey-900;\n$clr-ui-caption:   $clr-grey-600;\n$clr-ui-menu:      $clr-grey-900;\n$clr-ui-button:    $clr-grey-900;\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Footnote reference\n  [id^=\"fnref:\"]:target {\n    scroll-margin-top: initial;\n    margin-top: -1 * px2rem(48px + 24px - 4px);\n    padding-top: px2rem(48px + 24px - 4px);\n  }\n\n  // Footnote\n  [id^=\"fn:\"]:target {\n    scroll-margin-top: initial;\n    margin-top: -1 * px2rem(48px + 24px - 3px);\n    padding-top: px2rem(48px + 24px - 3px);\n  }\n\n  // Footnote container\n  .footnote {\n    color: var(--md-default-fg-color--light);\n    font-size: px2rem(12.8px);\n\n    // Footnote list - omit left indentation\n    > ol {\n      margin-left: 0;\n\n      // Footnote item - footnote items can contain lists, so we need to scope\n      // the spacing adjustments to the top-level footnote item.\n      > li {\n        transition: color 125ms;\n\n        // Darken color on target\n        &:target {\n          color: var(--md-default-fg-color);\n        }\n\n        // Show backreferences on footnote hover\n        &:hover  .footnote-backref,\n        &:target .footnote-backref {\n          transform: translateX(0);\n          opacity: 1;\n        }\n\n        // Adjust spacing on first child\n        > :first-child {\n          margin-top: 0;\n        }\n      }\n    }\n  }\n\n  // Footnote backreference\n  .footnote-backref {\n    display: inline-block;\n    color: var(--md-typeset-a-color);\n    // Hack: omit Unicode arrow for replacement with icon\n    font-size: 0;\n    vertical-align: text-bottom;\n    transform: translateX(px2rem(5px));\n    opacity: 0;\n    transition:\n      color     250ms,\n      transform 250ms 250ms,\n      opacity   125ms 250ms;\n\n    // [print]: Show footnote backreferences\n    @media print {\n      color: var(--md-typeset-a-color);\n      transform: translateX(0);\n      opacity: 1;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      transform: translateX(px2rem(-5px));\n    }\n\n    // Adjust color on hover\n    &:hover {\n      color: var(--md-accent-fg-color);\n    }\n\n    // Footnote backreference icon\n    &::before {\n      display: inline-block;\n      width: px2rem(16px);\n      height: px2rem(16px);\n      background-color: currentColor;\n      mask-image: var(--md-footnotes-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n\n        // Flip icon vertically\n        svg {\n          transform: scaleX(-1);\n        }\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Headerlink\n  .headerlink {\n    display: inline-block;\n    margin-left: px2rem(10px);\n    color: var(--md-default-fg-color--lighter);\n    opacity: 0;\n    transition:\n      color      250ms,\n      opacity    125ms;\n\n    // [print]: Hide headerlinks\n    @media print {\n      display: none;\n    }\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      margin-right: px2rem(10px);\n      margin-left: initial;\n    }\n  }\n\n  // Show headerlinks on parent hover\n  :hover  > .headerlink,\n  :target > .headerlink,\n  .headerlink:focus {\n    opacity: 1;\n    transition:\n      color      250ms,\n      opacity    125ms;\n  }\n\n  // Adjust color on parent target or focus/hover\n  :target > .headerlink,\n  .headerlink:focus,\n  .headerlink:hover {\n    color: var(--md-accent-fg-color);\n  }\n\n  // Adjust scroll offset for all elements with `id` attributes - general scroll\n  // margin offset for anything that can be targeted. Browser support is pretty\n  // decent by now, but Edge <79 and Safari (iOS and macOS) still don't support\n  // it properly, so we settle with a cross-browser anchor correction solution.\n  :target {\n    scroll-margin-top: px2rem(48px + 24px);\n  }\n\n  // Adjust scroll offset for headlines of level 1-3\n  h1:target,\n  h2:target,\n  h3:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px - 4px);\n      padding-top: px2rem(48px + 24px - 4px);\n      content: \"\";\n    }\n  }\n\n  // Adjust scroll offset for headlines of level 4\n  h4:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px - 3px);\n      padding-top: px2rem(48px + 24px - 3px);\n      content: \"\";\n    }\n  }\n\n  // Adjust scroll offset for headlines of level 5-6\n  h5:target,\n  h6:target {\n    scroll-margin-top: initial;\n\n    // Anchor correction hack\n    &::before {\n      display: block;\n      margin-top: -1 * px2rem(48px + 24px);\n      padding-top: px2rem(48px + 24px);\n      content: \"\";\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Arithmatex container\n  div.arithmatex {\n    overflow: auto;\n\n    // [mobile -]: Align with body copy\n    @include break-to-device(mobile) {\n      margin: 0 px2rem(-16px);\n    }\n\n    // Arithmatex content\n    > * {\n      width: min-content;\n      // stylelint-disable-next-line declaration-no-important\n      margin: 1em auto !important;\n      padding: 0 px2rem(16px);\n      touch-action: auto;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Deletion, addition or comment\n  del.critic,\n  ins.critic,\n  .critic.comment {\n    box-decoration-break: clone;\n  }\n\n  // Deletion\n  del.critic {\n    background-color: var(--md-typeset-del-color);\n  }\n\n  // Addition\n  ins.critic {\n    background-color: var(--md-typeset-ins-color);\n  }\n\n  // Comment\n  .critic.comment {\n    color: var(--md-code-hl-comment-color);\n\n    // Comment opening mark\n    &::before {\n      content: \"/* \";\n    }\n\n    // Comment closing mark\n    &::after {\n      content: \" */\";\n    }\n  }\n\n  // Critic block\n  .critic.block {\n    display: block;\n    margin: 1em 0;\n    padding-right: px2rem(16px);\n    padding-left: px2rem(16px);\n    overflow: auto;\n    box-shadow: none;\n\n    // Adjust spacing on first child\n    > :first-child {\n      margin-top: 0.5em;\n    }\n\n    // Adjust spacing on last child\n    > :last-child {\n      margin-bottom: 0.5em;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Details\n  details {\n    @extend .admonition;\n\n    display: flow-root;\n    padding-top: 0;\n    overflow: visible;\n\n    // Details title icon - rotate icon on transition to open state\n    &[open] > summary::after {\n      transform: rotate(90deg);\n    }\n\n    // Adjust spacing for details in closed state\n    &:not([open]) {\n      padding-bottom: 0;\n      box-shadow: none;\n\n      // Hack: we cannot set `overflow: hidden` on the `details` element (which\n      // is why we set it to `overflow: visible`, as the outline would not be\n      // visible when focusing. Therefore, we must set the border radius on the\n      // summary explicitly.\n      > summary {\n        border-radius: px2rem(2px);\n      }\n    }\n\n    // Hack: omit margin collapse\n    &::after {\n      display: table;\n      content: \"\";\n    }\n  }\n\n  // Details title\n  summary {\n    @extend .admonition-title;\n\n    display: block;\n    min-height: px2rem(20px);\n    padding: px2rem(8px) px2rem(36px) px2rem(8px) px2rem(40px);\n    border-top-left-radius: px2rem(2px);\n    border-top-right-radius: px2rem(2px);\n    cursor: pointer;\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      padding: px2rem(8px) px2rem(44px) px2rem(8px) px2rem(36px);\n    }\n\n    // Hide outline for pointer devices\n    &:not(.focus-visible) {\n      outline: none;\n      -webkit-tap-highlight-color: transparent;\n    }\n\n    // Details marker\n    &::after {\n      position: absolute;\n      top: px2rem(8px);\n      right: px2rem(8px);\n      width: px2rem(20px);\n      height: px2rem(20px);\n      background-color: currentColor;\n      mask-image: var(--md-details-icon);\n      mask-repeat: no-repeat;\n      mask-size: contain;\n      transform: rotate(0deg);\n      transition: transform 250ms;\n      content: \"\";\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: initial;\n        left: px2rem(8px);\n        transform: rotate(180deg);\n      }\n    }\n\n    // Hide native details marker\n    &::marker,\n    &::-webkit-details-marker {\n      display: none;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Emoji and icon container\n  .emojione,\n  .twemoji,\n  .gemoji {\n    display: inline-flex;\n    height: px2em(18px);\n    vertical-align: text-top;\n\n    // Icon - inlined via mkdocs-material-extensions\n    svg {\n      width: px2em(18px);\n      max-height: 100%;\n      fill: currentColor;\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: syntax highlighting\n// ----------------------------------------------------------------------------\n\n// Code block\n.highlight {\n  .o,   // Operator\n  .ow { // Operator, word\n    color: var(--md-code-hl-operator-color);\n  }\n\n  .p {  // Punctuation\n    color: var(--md-code-hl-punctuation-color);\n  }\n\n  .cpf, // Comment, preprocessor file\n  .l,   // Literal\n  .s,   // Literal, string\n  .sb,  // Literal, string backticks\n  .sc,  // Literal, string char\n  .s2,  // Literal, string double\n  .si,  // Literal, string interpol\n  .s1,  // Literal, string single\n  .ss { // Literal, string symbol\n    color: var(--md-code-hl-string-color);\n  }\n\n  .cp,  // Comment, pre-processor\n  .se,  // Literal, string escape\n  .sh,  // Literal, string heredoc\n  .sr,  // Literal, string regex\n  .sx { // Literal, string other\n    color: var(--md-code-hl-special-color);\n  }\n\n  .m,   // Number\n  .mb,  // Number, binary\n  .mf,  // Number, float\n  .mh,  // Number, hex\n  .mi,  // Number, integer\n  .il,  // Number, integer long\n  .mo { // Number, octal\n    color: var(--md-code-hl-number-color);\n  }\n\n  .k,   // Keyword,\n  .kd,  // Keyword, declaration\n  .kn,  // Keyword, namespace\n  .kp,  // Keyword, pseudo\n  .kr,  // Keyword, reserved\n  .kt { // Keyword, type\n    color: var(--md-code-hl-keyword-color);\n  }\n\n  .kc,  // Keyword, constant\n  .n {  // Name\n    color: var(--md-code-hl-name-color);\n  }\n\n  .no,  // Name, constant\n  .nb,  // Name, builtin\n  .bp { // Name, builtin pseudo\n    color: var(--md-code-hl-constant-color);\n  }\n\n  .nc,  // Name, class\n  .ne,  // Name, exception\n  .nf,  // Name, function\n  .nn { // Name, namespace\n    color: var(--md-code-hl-function-color);\n  }\n\n  .nd,  // Name, decorator\n  .ni,  // Name, entity\n  .nl,  // Name, label\n  .nt { // Name, tag\n    color: var(--md-code-hl-keyword-color);\n  }\n\n  .c,   // Comment\n  .cm,  // Comment, multiline\n  .c1,  // Comment, single\n  .ch,  // Comment, shebang\n  .cs,  // Comment, special\n  .sd { // Literal, string doc\n    color: var(--md-code-hl-comment-color);\n  }\n\n  .na,  // Name, attribute\n  .nv,  // Variable,\n  .vc,  // Variable, class\n  .vg,  // Variable, global\n  .vi { // Variable, instance\n    color: var(--md-code-hl-variable-color);\n  }\n\n  .ge,  // Generic, emph\n  .gr,  // Generic, error\n  .gh,  // Generic, heading\n  .go,  // Generic, output\n  .gp,  // Generic, prompt\n  .gs,  // Generic, strong\n  .gu,  // Generic, subheading\n  .gt { // Generic, traceback\n    color: var(--md-code-hl-generic-color);\n  }\n\n  .gd,  // Diff, delete\n  .gi { // Diff, insert\n    margin: 0 px2em(-2px);\n    padding: 0 px2em(2px);\n    border-radius: px2rem(2px);\n  }\n\n  .gd { // Diff, delete\n    background-color: var(--md-typeset-del-color);\n  }\n\n  .gi { // Diff, insert\n    background-color: var(--md-typeset-ins-color);\n  }\n\n  // Highlighted line\n  .hll {\n    display: block;\n    margin: 0 px2em(-16px, 13.6px);\n    padding: 0 px2em(16px, 13.6px);\n    background-color: var(--md-code-hl-color);\n  }\n\n  // Code block line numbers (inline)\n  [data-linenos]::before {\n    position: sticky;\n    left: px2em(-16px, 13.6px);\n    float: left;\n    margin-right: px2em(16px, 13.6px);\n    margin-left: px2em(-16px, 13.6px);\n    padding-left: px2em(16px, 13.6px);\n    color: var(--md-default-fg-color--light);\n    background-color: var(--md-code-bg-color);\n    box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n    content: attr(data-linenos);\n    user-select: none;\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Code block with line numbers\n.highlighttable {\n  display: flow-root;\n  overflow: hidden;\n\n  // Set table elements to block layout, because otherwise the whole flexbox\n  // hacking won't work correctly\n  tbody,\n  td {\n    display: block;\n    padding: 0;\n  }\n\n  // We need to use flexbox layout, because otherwise it's not possible to\n  // make the code container scroll while keeping the line numbers static\n  tr {\n    display: flex;\n  }\n\n  // The pre tags are nested inside a table, so we need to omit the margin\n  // because it collapses below all the overflows\n  pre {\n    margin: 0;\n  }\n\n  // Code block line numbers - disable user selection, so code can be easily\n  // copied without accidentally also copying the line numbers\n  .linenos {\n    padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n    padding-right: 0;\n    font-size: px2em(13.6px);\n    background-color: var(--md-code-bg-color);\n    user-select: none;\n  }\n\n  // Code block line numbers container\n  .linenodiv {\n    padding-right: px2em(8px, 13.6px);\n    box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n\n    // Adjust colors and alignment\n    pre {\n      color: var(--md-default-fg-color--light);\n      text-align: right;\n    }\n  }\n\n  // Code block container - stretch to remaining space\n  .code {\n    flex: 1;\n    overflow: hidden;\n  }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Code block with line numbers\n  .highlighttable {\n    margin: 1em 0;\n    direction: ltr;\n    border-radius: px2rem(2px);\n\n    // Omit rounded borders on contained code block\n    code {\n      border-radius: 0;\n    }\n  }\n\n  // [mobile -]: Align with body copy\n  @include break-to-device(mobile) {\n\n    // Top-level code block\n    > .highlight {\n      margin: 1em px2rem(-16px);\n\n      // Highlighted line\n      .hll {\n        margin: 0 px2rem(-16px);\n        padding: 0 px2rem(16px);\n      }\n\n      // Omit rounded borders\n      code {\n        border-radius: 0;\n      }\n    }\n\n    // Top-level code block with line numbers\n    > .highlighttable {\n      margin: 1em px2rem(-16px);\n      border-radius: 0;\n\n      // Highlighted line\n      .hll {\n        margin: 0 px2rem(-16px);\n        padding: 0 px2rem(16px);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Keyboard key\n  .keys {\n\n    // Keyboard key icon\n    kbd::before,\n    kbd::after {\n      position: relative;\n      margin: 0;\n      color: inherit;\n      -moz-osx-font-smoothing: initial;\n      -webkit-font-smoothing: initial;\n    }\n\n    // Surrounding text\n    span {\n      padding: 0 px2em(3.2px);\n      color: var(--md-default-fg-color--light);\n    }\n\n    // Define keyboard keys with left icon\n    @each $name, $code in (\n\n      // Modifiers\n      \"alt\":           \"\\2387\",\n      \"left-alt\":      \"\\2387\",\n      \"right-alt\":     \"\\2387\",\n      \"command\":       \"\\2318\",\n      \"left-command\":  \"\\2318\",\n      \"right-command\": \"\\2318\",\n      \"control\":       \"\\2303\",\n      \"left-control\":  \"\\2303\",\n      \"right-control\": \"\\2303\",\n      \"meta\":          \"\\25C6\",\n      \"left-meta\":     \"\\25C6\",\n      \"right-meta\":    \"\\25C6\",\n      \"option\":        \"\\2325\",\n      \"left-option\":   \"\\2325\",\n      \"right-option\":  \"\\2325\",\n      \"shift\":         \"\\21E7\",\n      \"left-shift\":    \"\\21E7\",\n      \"right-shift\":   \"\\21E7\",\n      \"super\":         \"\\2756\",\n      \"left-super\":    \"\\2756\",\n      \"right-super\":   \"\\2756\",\n      \"windows\":       \"\\229E\",\n      \"left-windows\":  \"\\229E\",\n      \"right-windows\": \"\\229E\",\n\n      // Other keys\n      \"arrow-down\":    \"\\2193\",\n      \"arrow-left\":    \"\\2190\",\n      \"arrow-right\":   \"\\2192\",\n      \"arrow-up\":      \"\\2191\",\n      \"backspace\":     \"\\232B\",\n      \"backtab\":       \"\\21E4\",\n      \"caps-lock\":     \"\\21EA\",\n      \"clear\":         \"\\2327\",\n      \"context-menu\":  \"\\2630\",\n      \"delete\":        \"\\2326\",\n      \"eject\":         \"\\23CF\",\n      \"end\":           \"\\2913\",\n      \"escape\":        \"\\238B\",\n      \"home\":          \"\\2912\",\n      \"insert\":        \"\\2380\",\n      \"page-down\":     \"\\21DF\",\n      \"page-up\":       \"\\21DE\",\n      \"print-screen\":  \"\\2399\"\n    ) {\n      .key-#{$name} {\n        &::before {\n          padding-right: px2em(6.4px);\n          content: $code;\n        }\n      }\n    }\n\n    // Define keyboard keys with right icon\n    @each $name, $code in (\n      \"tab\":           \"\\21E5\",\n      \"num-enter\":     \"\\2324\",\n      \"enter\":         \"\\23CE\"\n    ) {\n      .key-#{$name} {\n        &::after {\n          padding-left: px2em(6.4px);\n          content: $code;\n        }\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Tabbed block content\n  .tabbed-content {\n    display: none;\n    order: 99;\n    width: 100%;\n    box-shadow: 0 px2rem(-1px) var(--md-default-fg-color--lightest);\n\n    // [print]: Show all tabs (even hidden ones) when printing\n    @media print {\n      display: block;\n      order: initial;\n    }\n\n    // Code block is the only child of a tab - remove margin and mirror\n    // previous (now deprecated) SuperFences code block grouping behavior\n    > pre:only-child,\n    > .highlight:only-child pre,\n    > .highlighttable:only-child {\n      margin: 0;\n\n      // Omit rounded borders\n      > code {\n        border-top-left-radius: 0;\n        border-top-right-radius: 0;\n      }\n    }\n\n    // Adjust spacing for nested tab\n    > .tabbed-set {\n      margin: 0;\n    }\n  }\n\n  // Tabbed block container\n  .tabbed-set {\n    position: relative;\n    display: flex;\n    flex-wrap: wrap;\n    margin: 1em 0;\n    border-radius: px2rem(2px);\n\n    // Tab radio button - the Tabbed extension will generate radio buttons with\n    // labels, so tabs can be triggered without the necessity for JavaScript.\n    // This is pretty cool, as it has great accessibility out-of-the box, so\n    // we just hide the radio button and toggle the label color for indication.\n    > input {\n      position: absolute;\n      width: 0;\n      height: 0;\n      opacity: 0;\n\n      // Tab label for checked radio button\n      &:checked + label {\n        color: var(--md-accent-fg-color);\n        border-color: var(--md-accent-fg-color);\n\n        // Show tabbed block content\n        + .tabbed-content {\n          display: block;\n        }\n      }\n\n      // Tab label on focus\n      &:focus + label {\n        outline-style: auto;\n      }\n\n      // Hide outline for pointer devices\n      &:not(.focus-visible) + label {\n        outline: none;\n        -webkit-tap-highlight-color: transparent;\n      }\n    }\n\n    // Tab label\n    > label {\n      z-index: 1;\n      width: auto;\n      padding: px2em(12px, 12.8px) 1.25em px2em(10px, 12.8px);\n      color: var(--md-default-fg-color--light);\n      font-weight: 700;\n      font-size: px2rem(12.8px);\n      border-bottom: px2rem(2px) solid transparent;\n      cursor: pointer;\n      transition: color 250ms;\n\n      // Tab label on hover\n      &:hover {\n        color: var(--md-accent-fg-color);\n      }\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n  --md-tasklist-icon:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n  --md-tasklist-icon--checked:\n    svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // Tasklist item\n  .task-list-item {\n    position: relative;\n    list-style-type: none;\n\n    // Make checkbox items align with normal list items, but position\n    // everything in ems for correct layout at smaller font sizes\n    [type=\"checkbox\"] {\n      position: absolute;\n      top: 0.45em;\n      left: -2em;\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        right: -2em;\n        left: initial;\n      }\n    }\n  }\n\n  // Hide native checkbox, when custom classes are enabled\n  .task-list-control [type=\"checkbox\"] {\n    z-index: -1;\n    opacity: 0;\n  }\n\n  // Tasklist indicator in unchecked state\n  .task-list-indicator::before {\n    position: absolute;\n    top: 0.15em;\n    left: px2em(-24px);\n    width: px2em(20px);\n    height: px2em(20px);\n    background-color: var(--md-default-fg-color--lightest);\n    mask-image: var(--md-tasklist-icon);\n    mask-repeat: no-repeat;\n    mask-size: contain;\n    content: \"\";\n\n    // Adjust for right-to-left languages\n    [dir=\"rtl\"] & {\n      right: px2em(-24px);\n      left: initial;\n    }\n  }\n\n  // Tasklist indicator in checked state\n  [type=\"checkbox\"]:checked + .task-list-indicator::before {\n    background-color: $clr-green-a400;\n    mask-image: var(--md-tasklist-icon--checked);\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n  // [tablet +]: Allow for rendering content as sidebars\n  @include break-from-device(tablet) {\n\n    // Modifier to float block elements\n    .inline {\n      float: left;\n      width: px2rem(234px);\n      margin-top: 0;\n      margin-right: px2rem(16px);\n      margin-bottom: px2rem(16px);\n\n      // Adjust for right-to-left languages\n      [dir=\"rtl\"] & {\n        float: right;\n        margin-right: 0;\n        margin-left: px2rem(16px);\n      }\n\n      // Modifier to move to end (ltr: right, rtl: left)\n      &.end {\n        float: right;\n        margin-right: 0;\n        margin-left: px2rem(16px);\n\n        // Adjust for right-to-left languages\n        [dir=\"rtl\"] & {\n          float: left;\n          margin-right: px2rem(16px);\n          margin-left: 0;\n        }\n      }\n    }\n  }\n}\n"]}
\ No newline at end of file
diff --git a/edge/assets/stylesheets/palette.7fa14f5b.min.css.map b/edge/assets/stylesheets/palette.7fa14f5b.min.css.map
deleted file mode 100644
index 62a9e048..00000000
--- a/edge/assets/stylesheets/palette.7fa14f5b.min.css.map
+++ /dev/null
@@ -1 +0,0 @@
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IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $color in (\n  \"red\":         $clr-red-a400,\n  \"pink\":        $clr-pink-a400,\n  \"purple\":      $clr-purple-a200,\n  \"deep-purple\": $clr-deep-purple-a200,\n  \"indigo\":      $clr-indigo-a200,\n  \"blue\":        $clr-blue-a200,\n  \"light-blue\":  $clr-light-blue-a700,\n  \"cyan\":        $clr-cyan-a700,\n  \"teal\":        $clr-teal-a700,\n  \"green\":       $clr-green-a700,\n  \"light-green\": $clr-light-green-a700,\n  \"lime\":        $clr-lime-a700,\n  \"yellow\":      $clr-yellow-a700,\n  \"amber\":       $clr-amber-a700,\n  \"orange\":      $clr-orange-a400,\n  \"deep-orange\": $clr-deep-orange-a200\n) {\n\n  // Color palette\n  [data-md-color-accent=\"#{$name}\"] {\n    --md-accent-fg-color:              hsla(#{hex2hsl($color)}, 1);\n    --md-accent-fg-color--transparent: hsla(#{hex2hsl($color)}, 0.1);\n\n    // Inverted text for lighter shades\n    @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n      --md-accent-bg-color:           hsla(0, 0%, 0%, 0.87);\n      --md-accent-bg-color--light:    hsla(0, 0%, 0%, 0.54);\n    } @else {\n      --md-accent-bg-color:           hsla(0, 0%, 100%, 1);\n      --md-accent-bg-color--light:    hsla(0, 0%, 100%, 0.7);\n    }\n  }\n}\n","[data-md-color-accent=red] {\n  --md-accent-fg-color: hsla(348, 100%, 55%, 1);\n  --md-accent-fg-color--transparent: hsla(348, 100%, 55%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=pink] {\n  --md-accent-fg-color: hsla(339, 100%, 48%, 1);\n  --md-accent-fg-color--transparent: hsla(339, 100%, 48%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=purple] {\n  --md-accent-fg-color: hsla(291, 96%, 62%, 1);\n  --md-accent-fg-color--transparent: hsla(291, 96%, 62%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=deep-purple] {\n  --md-accent-fg-color: hsla(256, 100%, 65%, 1);\n  --md-accent-fg-color--transparent: hsla(256, 100%, 65%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=indigo] {\n  --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n  --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=blue] {\n  --md-accent-fg-color: hsla(218, 100%, 63%, 1);\n  --md-accent-fg-color--transparent: hsla(218, 100%, 63%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-blue] {\n  --md-accent-fg-color: hsla(203, 100%, 46%, 1);\n  --md-accent-fg-color--transparent: hsla(203, 100%, 46%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=cyan] {\n  --md-accent-fg-color: hsla(188, 100%, 42%, 1);\n  --md-accent-fg-color--transparent: hsla(188, 100%, 42%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=teal] {\n  --md-accent-fg-color: hsla(172, 100%, 37%, 1);\n  --md-accent-fg-color--transparent: hsla(172, 100%, 37%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=green] {\n  --md-accent-fg-color: hsla(145, 100%, 39%, 1);\n  --md-accent-fg-color--transparent: hsla(145, 100%, 39%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-green] {\n  --md-accent-fg-color: hsla(97, 81%, 48%, 1);\n  --md-accent-fg-color--transparent: hsla(97, 81%, 48%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=lime] {\n  --md-accent-fg-color: hsla(75, 100%, 46%, 1);\n  --md-accent-fg-color--transparent: hsla(75, 100%, 46%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=yellow] {\n  --md-accent-fg-color: hsla(50, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(50, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=amber] {\n  --md-accent-fg-color: hsla(40, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(40, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=orange] {\n  --md-accent-fg-color: hsla(34, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(34, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=deep-orange] {\n  --md-accent-fg-color: hsla(14, 100%, 63%, 1);\n  --md-accent-fg-color--transparent: hsla(14, 100%, 63%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=red] {\n  --md-primary-fg-color: hsla(1, 83%, 63%, 1);\n  --md-primary-fg-color--light: hsla(0, 69%, 67%, 1);\n  --md-primary-fg-color--dark: hsla(1, 77%, 55%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=pink] {\n  --md-primary-fg-color: hsla(340, 82%, 52%, 1);\n  --md-primary-fg-color--light: hsla(340, 82%, 59%, 1);\n  --md-primary-fg-color--dark: hsla(336, 78%, 43%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=purple] {\n  --md-primary-fg-color: hsla(291, 47%, 51%, 1);\n  --md-primary-fg-color--light: hsla(291, 47%, 60%, 1);\n  --md-primary-fg-color--dark: hsla(287, 65%, 40%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=deep-purple] {\n  --md-primary-fg-color: hsla(262, 47%, 55%, 1);\n  --md-primary-fg-color--light: hsla(262, 47%, 63%, 1);\n  --md-primary-fg-color--dark: hsla(262, 52%, 47%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=indigo] {\n  --md-primary-fg-color: hsla(231, 48%, 48%, 1);\n  --md-primary-fg-color--light: hsla(231, 44%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(232, 54%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue] {\n  --md-primary-fg-color: hsla(207, 90%, 54%, 1);\n  --md-primary-fg-color--light: hsla(207, 90%, 61%, 1);\n  --md-primary-fg-color--dark: hsla(210, 79%, 46%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-blue] {\n  --md-primary-fg-color: hsla(199, 98%, 48%, 1);\n  --md-primary-fg-color--light: hsla(199, 92%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(201, 98%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=cyan] {\n  --md-primary-fg-color: hsla(187, 100%, 42%, 1);\n  --md-primary-fg-color--light: hsla(187, 71%, 50%, 1);\n  --md-primary-fg-color--dark: hsla(186, 100%, 33%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=teal] {\n  --md-primary-fg-color: hsla(174, 100%, 29%, 1);\n  --md-primary-fg-color--light: hsla(174, 63%, 40%, 1);\n  --md-primary-fg-color--dark: hsla(173, 100%, 24%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=green] {\n  --md-primary-fg-color: hsla(122, 39%, 49%, 1);\n  --md-primary-fg-color--light: hsla(123, 38%, 57%, 1);\n  --md-primary-fg-color--dark: hsla(123, 43%, 39%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-green] {\n  --md-primary-fg-color: hsla(88, 50%, 53%, 1);\n  --md-primary-fg-color--light: hsla(88, 50%, 60%, 1);\n  --md-primary-fg-color--dark: hsla(92, 48%, 42%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=lime] {\n  --md-primary-fg-color: hsla(66, 70%, 54%, 1);\n  --md-primary-fg-color--light: hsla(66, 70%, 61%, 1);\n  --md-primary-fg-color--dark: hsla(62, 61%, 44%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=yellow] {\n  --md-primary-fg-color: hsla(54, 100%, 62%, 1);\n  --md-primary-fg-color--light: hsla(54, 100%, 67%, 1);\n  --md-primary-fg-color--dark: hsla(43, 96%, 58%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=amber] {\n  --md-primary-fg-color: hsla(45, 100%, 51%, 1);\n  --md-primary-fg-color--light: hsla(45, 100%, 58%, 1);\n  --md-primary-fg-color--dark: hsla(38, 100%, 50%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=orange] {\n  --md-primary-fg-color: hsla(36, 100%, 57%, 1);\n  --md-primary-fg-color--light: hsla(36, 100%, 57%, 1);\n  --md-primary-fg-color--dark: hsla(33, 100%, 49%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=deep-orange] {\n  --md-primary-fg-color: hsla(14, 100%, 63%, 1);\n  --md-primary-fg-color--light: hsla(14, 100%, 70%, 1);\n  --md-primary-fg-color--dark: hsla(14, 91%, 54%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=brown] {\n  --md-primary-fg-color: hsla(16, 25%, 38%, 1);\n  --md-primary-fg-color--light: hsla(16, 18%, 47%, 1);\n  --md-primary-fg-color--dark: hsla(14, 26%, 29%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=grey] {\n  --md-primary-fg-color: hsla(0, 0%, 46%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 62%, 1);\n  --md-primary-fg-color--dark: hsla(0, 0%, 38%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue-grey] {\n  --md-primary-fg-color: hsla(199, 18%, 40%, 1);\n  --md-primary-fg-color--light: hsla(200, 18%, 46%, 1);\n  --md-primary-fg-color--dark: hsla(199, 18%, 33%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=white] {\n  --md-primary-fg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-primary-fg-color--dark: hsla(0, 0%, 0%, 0.07);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n@media screen and (min-width: 60em) {\n  [data-md-color-primary=white] .md-search__input {\n    background-color: rgba(0, 0, 0, 0.07);\n  }\n  [data-md-color-primary=white] .md-search__input + .md-search__icon {\n    color: rgba(0, 0, 0, 0.87);\n  }\n  [data-md-color-primary=white] .md-search__input::placeholder {\n    color: rgba(0, 0, 0, 0.54);\n  }\n  [data-md-color-primary=white] .md-search__input:hover {\n    background-color: rgba(0, 0, 0, 0.32);\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-color-primary=white] .md-tabs {\n    border-bottom: 0.05rem solid rgba(0, 0, 0, 0.07);\n  }\n}\n\n[data-md-color-primary=black] {\n  --md-primary-fg-color: hsla(0, 0%, 0%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-primary-fg-color--dark: hsla(0, 0%, 0%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n[data-md-color-primary=black] .md-header {\n  background-color: black;\n}\n@media screen and (max-width: 59.9375em) {\n  [data-md-color-primary=black] .md-nav__source {\n    background-color: rgba(0, 0, 0, 0.87);\n  }\n}\n@media screen and (min-width: 60em) {\n  [data-md-color-primary=black] .md-search__input {\n    background-color: rgba(255, 255, 255, 0.12);\n  }\n  [data-md-color-primary=black] .md-search__input:hover {\n    background-color: rgba(255, 255, 255, 0.3);\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  html [data-md-color-primary=black] .md-nav--primary .md-nav__title[for=__drawer] {\n    background-color: black;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-color-primary=black] .md-tabs {\n    background-color: black;\n  }\n}\n\n@media screen {\n  [data-md-color-scheme=slate] {\n    --md-hue: 232;\n    --md-default-fg-color: hsla(var(--md-hue), 75%, 95%, 1);\n    --md-default-fg-color--light: hsla(var(--md-hue), 75%, 90%, 0.62);\n    --md-default-fg-color--lighter: hsla(var(--md-hue), 75%, 90%, 0.32);\n    --md-default-fg-color--lightest: hsla(var(--md-hue), 75%, 90%, 0.12);\n    --md-default-bg-color: hsla(var(--md-hue), 15%, 21%, 1);\n    --md-default-bg-color--light: hsla(var(--md-hue), 15%, 21%, 0.54);\n    --md-default-bg-color--lighter: hsla(var(--md-hue), 15%, 21%, 0.26);\n    --md-default-bg-color--lightest: hsla(var(--md-hue), 15%, 21%, 0.07);\n    --md-code-fg-color: hsla(var(--md-hue), 18%, 86%, 1);\n    --md-code-bg-color: hsla(var(--md-hue), 15%, 15%, 1);\n    --md-code-hl-color: hsla(218, 100%, 63%, 0.15);\n    --md-code-hl-number-color: hsla(6, 74%, 63%, 1);\n    --md-code-hl-special-color: hsla(340, 83%, 66%, 1);\n    --md-code-hl-function-color: hsla(291, 57%, 65%, 1);\n    --md-code-hl-constant-color: hsla(250, 62%, 70%, 1);\n    --md-code-hl-keyword-color: hsla(219, 66%, 64%, 1);\n    --md-code-hl-string-color: hsla(150, 58%, 44%, 1);\n    --md-typeset-a-color: var(--md-primary-fg-color--light);\n    --md-typeset-mark-color: hsla(218, 100%, 63%, 0.3);\n    --md-typeset-kbd-color: hsla(var(--md-hue), 15%, 94%, 0.12);\n    --md-typeset-kbd-accent-color: hsla(var(--md-hue), 15%, 94%, 0.2);\n    --md-typeset-kbd-border-color: hsla(var(--md-hue), 15%, 14%, 1);\n    --md-admonition-bg-color: hsla(var(--md-hue), 0%, 100%, 0.025);\n    --md-footer-bg-color: hsla(var(--md-hue), 15%, 12%, 0.87);\n    --md-footer-bg-color--dark: hsla(var(--md-hue), 15%, 10%, 1);\n  }\n  [data-md-color-scheme=slate][data-md-color-primary=black], [data-md-color-scheme=slate][data-md-color-primary=white] {\n    --md-typeset-a-color: hsla(231, 44%, 56%, 1);\n  }\n}\n\n/*# sourceMappingURL=palette.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $colors in (\n  \"red\":         $clr-red-400         $clr-red-300         $clr-red-600,\n  \"pink\":        $clr-pink-500        $clr-pink-400        $clr-pink-700,\n  \"purple\":      $clr-purple-400      $clr-purple-300      $clr-purple-600,\n  \"deep-purple\": $clr-deep-purple-400 $clr-deep-purple-300 $clr-deep-purple-500,\n  \"indigo\":      $clr-indigo-500      $clr-indigo-400      $clr-indigo-700,\n  \"blue\":        $clr-blue-500        $clr-blue-400        $clr-blue-700,\n  \"light-blue\":  $clr-light-blue-500  $clr-light-blue-400  $clr-light-blue-700,\n  \"cyan\":        $clr-cyan-500        $clr-cyan-400        $clr-cyan-700,\n  \"teal\":        $clr-teal-500        $clr-teal-400        $clr-teal-700,\n  \"green\":       $clr-green-500       $clr-green-400       $clr-green-700,\n  \"light-green\": $clr-light-green-500 $clr-light-green-400 $clr-light-green-700,\n  \"lime\":        $clr-lime-500        $clr-lime-400        $clr-lime-700,\n  \"yellow\":      $clr-yellow-500      $clr-yellow-400      $clr-yellow-700,\n  \"amber\":       $clr-amber-500       $clr-amber-400       $clr-amber-700,\n  \"orange\":      $clr-orange-400      $clr-orange-400      $clr-orange-600,\n  \"deep-orange\": $clr-deep-orange-400 $clr-deep-orange-300 $clr-deep-orange-600,\n  \"brown\":       $clr-brown-500       $clr-brown-400       $clr-brown-700,\n  \"grey\":        $clr-grey-600        $clr-grey-500        $clr-grey-700,\n  \"blue-grey\":   $clr-blue-grey-600   $clr-blue-grey-500   $clr-blue-grey-700\n) {\n\n  // Color palette\n  [data-md-color-primary=\"#{$name}\"] {\n    --md-primary-fg-color:             hsla(#{hex2hsl(nth($colors, 1))}, 1);\n    --md-primary-fg-color--light:      hsla(#{hex2hsl(nth($colors, 2))}, 1);\n    --md-primary-fg-color--dark:       hsla(#{hex2hsl(nth($colors, 3))}, 1);\n\n    // Inverted text for lighter shades\n    @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n      --md-primary-bg-color:           hsla(0, 0%, 0%, 0.87);\n      --md-primary-bg-color--light:    hsla(0, 0%, 0%, 0.54);\n    } @else {\n      --md-primary-bg-color:           hsla(0, 0%, 100%, 1);\n      --md-primary-bg-color--light:    hsla(0, 0%, 100%, 0.7);\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: white\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"white\"] {\n  --md-primary-fg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-fg-color--light:        hsla(0, 0%, 100%, 0.7);\n  --md-primary-fg-color--dark:         hsla(0, 0%, 0%, 0.07);\n  --md-primary-bg-color:               hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light:        hsla(0, 0%, 0%, 0.54);\n\n  // Typeset color shades\n  --md-typeset-a-color:                hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n  // [tablet portrait +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n\n    // Search input\n    .md-search__input {\n      background-color: hsla(0, 0%, 0%, 0.07);\n\n      // Search icon color\n      + .md-search__icon {\n        color: hsla(0, 0%, 0%, 0.87);\n      }\n\n      // Placeholder color\n      &::placeholder {\n        color: hsla(0, 0%, 0%, 0.54);\n      }\n\n      // Search input on hover\n      &:hover {\n        background-color: hsla(0, 0%, 0%, 0.32);\n      }\n    }\n  }\n\n  // [screen +]: Add bottom border for tabs\n  @include break-from-device(screen) {\n\n    // Navigation tabs\n    .md-tabs {\n      border-bottom: px2rem(1px) solid hsla(0, 0%, 0%, 0.07);\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: black\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"black\"] {\n  --md-primary-fg-color:               hsla(0, 0%, 0%, 1);\n  --md-primary-fg-color--light:        hsla(0, 0%, 0%, 0.54);\n  --md-primary-fg-color--dark:         hsla(0, 0%, 0%, 1);\n  --md-primary-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n\n  // Text color shades\n  --md-typeset-a-color:                hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n  // Header\n  .md-header {\n    background-color: hsla(0, 0%, 0%, 1);\n  }\n\n  // [tablet portrait -]: Layered navigation\n  @include break-to-device(tablet portrait) {\n\n    // Repository information container\n    .md-nav__source {\n      background-color: hsla(0, 0%, 0%, 0.87);\n    }\n  }\n\n  // [tablet landscape +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n\n    // Search input\n    .md-search__input {\n      background-color: hsla(0, 0%, 100%, 0.12);\n\n      // Search form on hover\n      &:hover {\n        background-color: hsla(0, 0%, 100%, 0.3);\n      }\n    }\n  }\n\n  // [tablet -]: Layered navigation\n  @include break-to-device(tablet) {\n\n    // Site title in main navigation\n    html & .md-nav--primary .md-nav__title[for=\"__drawer\"] {\n      background-color: hsla(0, 0%, 0%, 1);\n    }\n  }\n\n  // [screen +]: Set background color for tabs\n  @include break-from-device(screen) {\n\n    // Navigation tabs\n    .md-tabs {\n      background-color: hsla(0, 0%, 0%, 1);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n///   $break-devices: (\n///     mobile: (\n///       portrait:  220px  479px,\n///       landscape: 480px  719px\n///     ),\n///     tablet: (\n///       portrait:  720px  959px,\n///       landscape: 960px  1219px\n///     ),\n///     screen: (\n///       small:     1220px 1599px,\n///       medium:    1600px 1999px,\n///       large:     2000px\n///     )\n///   );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n  $min: 1000000;\n  $max: 0;\n  @each $key, $value in $devices {\n    @while type-of($value) == map {\n      $value: break-select-min-max($value);\n    }\n    @if type-of($value) == list {\n      @each $number in $value {\n        @if type-of($number) == number {\n          $min: min($number, $min);\n          @if $max {\n            $max: max($number, $max);\n          }\n        } @else {\n          @error \"Invalid number: #{$number}\";\n        }\n      }\n    } @else if type-of($value) == number {\n      $min: min($value, $min);\n      $max: null;\n    } @else {\n      @error \"Invalid value: #{$value}\";\n    }\n  }\n  @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n  $current: $break-devices;\n  @for $n from 1 through length($device) {\n    @if type-of($current) == map {\n      $current: map-get($current, nth($device, $n));\n    } @else {\n      @error \"Invalid device map: #{$devices}\";\n    }\n  }\n  @if type-of($current) == list or type-of($current) == number {\n    $current: (default: $current);\n  }\n  @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (min-width: $breakpoint) {\n      @content;\n    }\n  } @else if type-of($breakpoint) == list {\n    $min: nth($breakpoint, 1);\n    $max: nth($breakpoint, 2);\n    @if type-of($min) == number and type-of($max) == number {\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid breakpoint: #{$breakpoint}\";\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n  @if type-of($breakpoint) == string {\n    @media screen and (orientation: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (max-aspect-ratio: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    @if nth($breakpoint, 2) {\n      $min: nth($breakpoint, 1);\n      $max: nth($breakpoint, 2);\n\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid device: #{$device}\";\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $min: nth($breakpoint, 1);\n\n    @media screen and (min-width: $min) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $max: nth($breakpoint, 2);\n\n    @media screen and (max-width: $max) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Only use dark mode on screens\n@media screen {\n\n  // Slate theme, i.e. dark mode\n  [data-md-color-scheme=\"slate\"] {\n\n    // Slate's hue in the range [0,360] - change this variable to alter the tone\n    // of the theme, e.g. to make it more redish or greenish. This is a slate-\n    // specific variable, but the same approach may be adapted to custom themes.\n    --md-hue: 232;\n\n    // Default color shades\n    --md-default-fg-color:             hsla(var(--md-hue), 75%, 95%, 1);\n    --md-default-fg-color--light:      hsla(var(--md-hue), 75%, 90%, 0.62);\n    --md-default-fg-color--lighter:    hsla(var(--md-hue), 75%, 90%, 0.32);\n    --md-default-fg-color--lightest:   hsla(var(--md-hue), 75%, 90%, 0.12);\n    --md-default-bg-color:             hsla(var(--md-hue), 15%, 21%, 1);\n    --md-default-bg-color--light:      hsla(var(--md-hue), 15%, 21%, 0.54);\n    --md-default-bg-color--lighter:    hsla(var(--md-hue), 15%, 21%, 0.26);\n    --md-default-bg-color--lightest:   hsla(var(--md-hue), 15%, 21%, 0.07);\n\n    // Code color shades\n    --md-code-fg-color:                hsla(var(--md-hue), 18%, 86%, 1);\n    --md-code-bg-color:                hsla(var(--md-hue), 15%, 15%, 1);\n\n    // Code highlighting color shades\n    --md-code-hl-color:                hsla(#{hex2hsl($clr-blue-a200)}, 0.15);\n    --md-code-hl-number-color:         hsla(6, 74%, 63%, 1);\n    --md-code-hl-special-color:        hsla(340, 83%, 66%, 1);\n    --md-code-hl-function-color:       hsla(291, 57%, 65%, 1);\n    --md-code-hl-constant-color:       hsla(250, 62%, 70%, 1);\n    --md-code-hl-keyword-color:        hsla(219, 66%, 64%, 1);\n    --md-code-hl-string-color:         hsla(150, 58%, 44%, 1);\n\n    // Typeset color shades\n    --md-typeset-a-color:              var(--md-primary-fg-color--light);\n\n    // Typeset `mark` color shades\n    --md-typeset-mark-color:           hsla(#{hex2hsl($clr-blue-a200)}, 0.3);\n\n    // Typeset `kbd` color shades\n    --md-typeset-kbd-color:            hsla(var(--md-hue), 15%, 94%, 0.12);\n    --md-typeset-kbd-accent-color:     hsla(var(--md-hue), 15%, 94%, 0.2);\n    --md-typeset-kbd-border-color:     hsla(var(--md-hue), 15%, 14%, 1);\n\n    // Admonition color shades\n    --md-admonition-bg-color:          hsla(var(--md-hue), 0%, 100%, 0.025);\n\n    // Footer color shades\n    --md-footer-bg-color:              hsla(var(--md-hue), 15%, 12%, 0.87);\n    --md-footer-bg-color--dark:        hsla(var(--md-hue), 15%, 10%, 1);\n\n    // Black and white primary colors\n    &[data-md-color-primary=\"black\"],\n    &[data-md-color-primary=\"white\"] {\n\n      // Typeset color shades\n      --md-typeset-a-color:            hsla(#{hex2hsl($clr-indigo-400)}, 1);\n    }\n  }\n}\n"]}
\ No newline at end of file
diff --git a/edge/assets/stylesheets/palette.7fa14f5b.min.css b/edge/assets/stylesheets/palette.ef6f36e2.min.css
similarity index 90%
rename from edge/assets/stylesheets/palette.7fa14f5b.min.css
rename to edge/assets/stylesheets/palette.ef6f36e2.min.css
index 1d46bb42..e0711bd5 100644
--- a/edge/assets/stylesheets/palette.7fa14f5b.min.css
+++ b/edge/assets/stylesheets/palette.ef6f36e2.min.css
@@ -1,2 +1,2 @@
-[data-md-color-accent=red]{--md-accent-fg-color:#ff1a47;--md-accent-fg-color--transparent:rgba(255,26,71,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=pink]{--md-accent-fg-color:#f50056;--md-accent-fg-color--transparent:rgba(245,0,86,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=purple]{--md-accent-fg-color:#df41fb;--md-accent-fg-color--transparent:rgba(223,65,251,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=deep-purple]{--md-accent-fg-color:#7c4dff;--md-accent-fg-color--transparent:rgba(124,77,255,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=indigo]{--md-accent-fg-color:#526cfe;--md-accent-fg-color--transparent:rgba(83,108,254,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=blue]{--md-accent-fg-color:#4287ff;--md-accent-fg-color--transparent:rgba(66,136,255,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=light-blue]{--md-accent-fg-color:#0091eb;--md-accent-fg-color--transparent:rgba(0,145,235,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=cyan]{--md-accent-fg-color:#00bad6;--md-accent-fg-color--transparent:rgba(0,186,214,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=teal]{--md-accent-fg-color:#00bda4;--md-accent-fg-color--transparent:rgba(0,189,164,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=green]{--md-accent-fg-color:#00c753;--md-accent-fg-color--transparent:rgba(0,199,83,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=light-green]{--md-accent-fg-color:#63de17;--md-accent-fg-color--transparent:rgba(99,222,23,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-accent=lime]{--md-accent-fg-color:#b0eb00;--md-accent-fg-color--transparent:rgba(176,235,0,0.1);--md-accent-bg-color:rgba(0,0,0,0.87);--md-accent-bg-color--light:rgba(0,0,0,0.54)}[data-md-color-accent=yellow]{--md-accent-fg-color:#ffd500;--md-accent-fg-color--transparent:rgba(255,213,0,0.1);--md-accent-bg-color:rgba(0,0,0,0.87);--md-accent-bg-color--light:rgba(0,0,0,0.54)}[data-md-color-accent=amber]{--md-accent-fg-color:#fa0;--md-accent-fg-color--transparent:rgba(255,170,0,0.1);--md-accent-bg-color:rgba(0,0,0,0.87);--md-accent-bg-color--light:rgba(0,0,0,0.54)}[data-md-color-accent=orange]{--md-accent-fg-color:#ff9100;--md-accent-fg-color--transparent:rgba(255,145,0,0.1);--md-accent-bg-color:rgba(0,0,0,0.87);--md-accent-bg-color--light:rgba(0,0,0,0.54)}[data-md-color-accent=deep-orange]{--md-accent-fg-color:#ff6e42;--md-accent-fg-color--transparent:rgba(255,110,66,0.1);--md-accent-bg-color:#fff;--md-accent-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=red]{--md-primary-fg-color:#ef5552;--md-primary-fg-color--light:#e57171;--md-primary-fg-color--dark:#e53734;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=pink]{--md-primary-fg-color:#e92063;--md-primary-fg-color--light:#ec417a;--md-primary-fg-color--dark:#c3185d;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=purple]{--md-primary-fg-color:#ab47bd;--md-primary-fg-color--light:#bb69c9;--md-primary-fg-color--dark:#8c24a8;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=deep-purple]{--md-primary-fg-color:#7e56c2;--md-primary-fg-color--light:#9574cd;--md-primary-fg-color--dark:#673ab6;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=indigo]{--md-primary-fg-color:#4051b5;--md-primary-fg-color--light:#5d6cc0;--md-primary-fg-color--dark:#303fa1;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=blue]{--md-primary-fg-color:#2094f3;--md-primary-fg-color--light:#42a5f5;--md-primary-fg-color--dark:#1975d2;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=light-blue]{--md-primary-fg-color:#02a6f2;--md-primary-fg-color--light:#28b5f6;--md-primary-fg-color--dark:#0287cf;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=cyan]{--md-primary-fg-color:#00bdd6;--md-primary-fg-color--light:#25c5da;--md-primary-fg-color--dark:#0097a8;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=teal]{--md-primary-fg-color:#009485;--md-primary-fg-color--light:#26a699;--md-primary-fg-color--dark:#007a6c;--md-primary-bg-color:#fff;--md-primary-bg-color--light:hsla(0,0%,100%,0.7)}[data-md-color-primary=green]{--md-primary-fg-color:#4cae4f;--md-primary-fg-col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IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $color in (\n  \"red\":         $clr-red-a400,\n  \"pink\":        $clr-pink-a400,\n  \"purple\":      $clr-purple-a200,\n  \"deep-purple\": $clr-deep-purple-a200,\n  \"indigo\":      $clr-indigo-a200,\n  \"blue\":        $clr-blue-a200,\n  \"light-blue\":  $clr-light-blue-a700,\n  \"cyan\":        $clr-cyan-a700,\n  \"teal\":        $clr-teal-a700,\n  \"green\":       $clr-green-a700,\n  \"light-green\": $clr-light-green-a700,\n  \"lime\":        $clr-lime-a700,\n  \"yellow\":      $clr-yellow-a700,\n  \"amber\":       $clr-amber-a700,\n  \"orange\":      $clr-orange-a400,\n  \"deep-orange\": $clr-deep-orange-a200\n) {\n\n  // Color palette\n  [data-md-color-accent=\"#{$name}\"] {\n    --md-accent-fg-color:              hsla(#{hex2hsl($color)}, 1);\n    --md-accent-fg-color--transparent: hsla(#{hex2hsl($color)}, 0.1);\n\n    // Inverted text for lighter shades\n    @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n      --md-accent-bg-color:           hsla(0, 0%, 0%, 0.87);\n      --md-accent-bg-color--light:    hsla(0, 0%, 0%, 0.54);\n    } @else {\n      --md-accent-bg-color:           hsla(0, 0%, 100%, 1);\n      --md-accent-bg-color--light:    hsla(0, 0%, 100%, 0.7);\n    }\n  }\n}\n","[data-md-color-accent=red] {\n  --md-accent-fg-color: hsla(348, 100%, 55%, 1);\n  --md-accent-fg-color--transparent: hsla(348, 100%, 55%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=pink] {\n  --md-accent-fg-color: hsla(339, 100%, 48%, 1);\n  --md-accent-fg-color--transparent: hsla(339, 100%, 48%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=purple] {\n  --md-accent-fg-color: hsla(291, 96%, 62%, 1);\n  --md-accent-fg-color--transparent: hsla(291, 96%, 62%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=deep-purple] {\n  --md-accent-fg-color: hsla(256, 100%, 65%, 1);\n  --md-accent-fg-color--transparent: hsla(256, 100%, 65%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=indigo] {\n  --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n  --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=blue] {\n  --md-accent-fg-color: hsla(218, 100%, 63%, 1);\n  --md-accent-fg-color--transparent: hsla(218, 100%, 63%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-blue] {\n  --md-accent-fg-color: hsla(203, 100%, 46%, 1);\n  --md-accent-fg-color--transparent: hsla(203, 100%, 46%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=cyan] {\n  --md-accent-fg-color: hsla(188, 100%, 42%, 1);\n  --md-accent-fg-color--transparent: hsla(188, 100%, 42%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=teal] {\n  --md-accent-fg-color: hsla(172, 100%, 37%, 1);\n  --md-accent-fg-color--transparent: hsla(172, 100%, 37%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=green] {\n  --md-accent-fg-color: hsla(145, 100%, 39%, 1);\n  --md-accent-fg-color--transparent: hsla(145, 100%, 39%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-green] {\n  --md-accent-fg-color: hsla(97, 81%, 48%, 1);\n  --md-accent-fg-color--transparent: hsla(97, 81%, 48%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=lime] {\n  --md-accent-fg-color: hsla(75, 100%, 46%, 1);\n  --md-accent-fg-color--transparent: hsla(75, 100%, 46%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=yellow] {\n  --md-accent-fg-color: hsla(50, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(50, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=amber] {\n  --md-accent-fg-color: hsla(40, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(40, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=orange] {\n  --md-accent-fg-color: hsla(34, 100%, 50%, 1);\n  --md-accent-fg-color--transparent: hsla(34, 100%, 50%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=deep-orange] {\n  --md-accent-fg-color: hsla(14, 100%, 63%, 1);\n  --md-accent-fg-color--transparent: hsla(14, 100%, 63%, 0.1);\n  --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n  --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=red] {\n  --md-primary-fg-color: hsla(1, 83%, 63%, 1);\n  --md-primary-fg-color--light: hsla(0, 69%, 67%, 1);\n  --md-primary-fg-color--dark: hsla(1, 77%, 55%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=pink] {\n  --md-primary-fg-color: hsla(340, 82%, 52%, 1);\n  --md-primary-fg-color--light: hsla(340, 82%, 59%, 1);\n  --md-primary-fg-color--dark: hsla(336, 78%, 43%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=purple] {\n  --md-primary-fg-color: hsla(291, 47%, 51%, 1);\n  --md-primary-fg-color--light: hsla(291, 47%, 60%, 1);\n  --md-primary-fg-color--dark: hsla(287, 65%, 40%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=deep-purple] {\n  --md-primary-fg-color: hsla(262, 47%, 55%, 1);\n  --md-primary-fg-color--light: hsla(262, 47%, 63%, 1);\n  --md-primary-fg-color--dark: hsla(262, 52%, 47%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=indigo] {\n  --md-primary-fg-color: hsla(231, 48%, 48%, 1);\n  --md-primary-fg-color--light: hsla(231, 44%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(232, 54%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue] {\n  --md-primary-fg-color: hsla(207, 90%, 54%, 1);\n  --md-primary-fg-color--light: hsla(207, 90%, 61%, 1);\n  --md-primary-fg-color--dark: hsla(210, 79%, 46%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-blue] {\n  --md-primary-fg-color: hsla(199, 98%, 48%, 1);\n  --md-primary-fg-color--light: hsla(199, 92%, 56%, 1);\n  --md-primary-fg-color--dark: hsla(201, 98%, 41%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=cyan] {\n  --md-primary-fg-color: hsla(187, 100%, 42%, 1);\n  --md-primary-fg-color--light: hsla(187, 71%, 50%, 1);\n  --md-primary-fg-color--dark: hsla(186, 100%, 33%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=teal] {\n  --md-primary-fg-color: hsla(174, 100%, 29%, 1);\n  --md-primary-fg-color--light: hsla(174, 63%, 40%, 1);\n  --md-primary-fg-color--dark: hsla(173, 100%, 24%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=green] {\n  --md-primary-fg-color: hsla(122, 39%, 49%, 1);\n  --md-primary-fg-color--light: hsla(123, 38%, 57%, 1);\n  --md-primary-fg-color--dark: hsla(123, 43%, 39%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-green] {\n  --md-primary-fg-color: hsla(88, 50%, 53%, 1);\n  --md-primary-fg-color--light: hsla(88, 50%, 60%, 1);\n  --md-primary-fg-color--dark: hsla(92, 48%, 42%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=lime] {\n  --md-primary-fg-color: hsla(66, 70%, 54%, 1);\n  --md-primary-fg-color--light: hsla(66, 70%, 61%, 1);\n  --md-primary-fg-color--dark: hsla(62, 61%, 44%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=yellow] {\n  --md-primary-fg-color: hsla(54, 100%, 62%, 1);\n  --md-primary-fg-color--light: hsla(54, 100%, 67%, 1);\n  --md-primary-fg-color--dark: hsla(43, 96%, 58%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=amber] {\n  --md-primary-fg-color: hsla(45, 100%, 51%, 1);\n  --md-primary-fg-color--light: hsla(45, 100%, 58%, 1);\n  --md-primary-fg-color--dark: hsla(38, 100%, 50%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=orange] {\n  --md-primary-fg-color: hsla(36, 100%, 57%, 1);\n  --md-primary-fg-color--light: hsla(36, 100%, 57%, 1);\n  --md-primary-fg-color--dark: hsla(33, 100%, 49%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=deep-orange] {\n  --md-primary-fg-color: hsla(14, 100%, 63%, 1);\n  --md-primary-fg-color--light: hsla(14, 100%, 70%, 1);\n  --md-primary-fg-color--dark: hsla(14, 91%, 54%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=brown] {\n  --md-primary-fg-color: hsla(16, 25%, 38%, 1);\n  --md-primary-fg-color--light: hsla(16, 18%, 47%, 1);\n  --md-primary-fg-color--dark: hsla(14, 26%, 29%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=grey] {\n  --md-primary-fg-color: hsla(0, 0%, 46%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 62%, 1);\n  --md-primary-fg-color--dark: hsla(0, 0%, 38%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue-grey] {\n  --md-primary-fg-color: hsla(199, 18%, 40%, 1);\n  --md-primary-fg-color--light: hsla(200, 18%, 46%, 1);\n  --md-primary-fg-color--dark: hsla(199, 18%, 33%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=white] {\n  --md-primary-fg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-primary-fg-color--dark: hsla(0, 0%, 0%, 0.07);\n  --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n@media screen and (min-width: 60em) {\n  [data-md-color-primary=white] .md-search__input {\n    background-color: rgba(0, 0, 0, 0.07);\n  }\n  [data-md-color-primary=white] .md-search__input + .md-search__icon {\n    color: rgba(0, 0, 0, 0.87);\n  }\n  [data-md-color-primary=white] .md-search__input::placeholder {\n    color: rgba(0, 0, 0, 0.54);\n  }\n  [data-md-color-primary=white] .md-search__input:hover {\n    background-color: rgba(0, 0, 0, 0.32);\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-color-primary=white] .md-tabs {\n    border-bottom: 0.05rem solid rgba(0, 0, 0, 0.07);\n  }\n}\n\n[data-md-color-primary=black] {\n  --md-primary-fg-color: hsla(0, 0%, 0%, 1);\n  --md-primary-fg-color--light: hsla(0, 0%, 0%, 0.54);\n  --md-primary-fg-color--dark: hsla(0, 0%, 0%, 1);\n  --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n  --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n[data-md-color-primary=black] .md-header {\n  background-color: black;\n}\n@media screen and (max-width: 59.9375em) {\n  [data-md-color-primary=black] .md-nav__source {\n    background-color: rgba(0, 0, 0, 0.87);\n  }\n}\n@media screen and (min-width: 60em) {\n  [data-md-color-primary=black] .md-search__input {\n    background-color: rgba(255, 255, 255, 0.12);\n  }\n  [data-md-color-primary=black] .md-search__input:hover {\n    background-color: rgba(255, 255, 255, 0.3);\n  }\n}\n@media screen and (max-width: 76.1875em) {\n  html [data-md-color-primary=black] .md-nav--primary .md-nav__title[for=__drawer] {\n    background-color: black;\n  }\n}\n@media screen and (min-width: 76.25em) {\n  [data-md-color-primary=black] .md-tabs {\n    background-color: black;\n  }\n}\n\n@media screen {\n  [data-md-color-scheme=slate] {\n    --md-hue: 232;\n    --md-default-fg-color: hsla(var(--md-hue), 75%, 95%, 1);\n    --md-default-fg-color--light: hsla(var(--md-hue), 75%, 90%, 0.62);\n    --md-default-fg-color--lighter: hsla(var(--md-hue), 75%, 90%, 0.32);\n    --md-default-fg-color--lightest: hsla(var(--md-hue), 75%, 90%, 0.12);\n    --md-default-bg-color: hsla(var(--md-hue), 15%, 21%, 1);\n    --md-default-bg-color--light: hsla(var(--md-hue), 15%, 21%, 0.54);\n    --md-default-bg-color--lighter: hsla(var(--md-hue), 15%, 21%, 0.26);\n    --md-default-bg-color--lightest: hsla(var(--md-hue), 15%, 21%, 0.07);\n    --md-code-fg-color: hsla(var(--md-hue), 18%, 86%, 1);\n    --md-code-bg-color: hsla(var(--md-hue), 15%, 15%, 1);\n    --md-code-hl-color: hsla(218, 100%, 63%, 0.15);\n    --md-code-hl-number-color: hsla(6, 74%, 63%, 1);\n    --md-code-hl-special-color: hsla(340, 83%, 66%, 1);\n    --md-code-hl-function-color: hsla(291, 57%, 65%, 1);\n    --md-code-hl-constant-color: hsla(250, 62%, 70%, 1);\n    --md-code-hl-keyword-color: hsla(219, 66%, 64%, 1);\n    --md-code-hl-string-color: hsla(150, 58%, 44%, 1);\n    --md-code-hl-name-color: var(--md-code-fg-color);\n    --md-code-hl-operator-color: var(--md-default-fg-color--light);\n    --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n    --md-code-hl-comment-color: var(--md-default-fg-color--light);\n    --md-code-hl-generic-color: var(--md-default-fg-color--light);\n    --md-code-hl-variable-color: var(--md-default-fg-color--light);\n    --md-typeset-color: var(--md-default-fg-color);\n    --md-typeset-a-color: var(--md-primary-fg-color);\n    --md-typeset-mark-color: hsla(218, 100%, 63%, 0.3);\n    --md-typeset-kbd-color: hsla(var(--md-hue), 15%, 94%, 0.12);\n    --md-typeset-kbd-accent-color: hsla(var(--md-hue), 15%, 94%, 0.2);\n    --md-typeset-kbd-border-color: hsla(var(--md-hue), 15%, 14%, 1);\n    --md-admonition-bg-color: hsla(var(--md-hue), 0%, 100%, 0.025);\n    --md-footer-bg-color: hsla(var(--md-hue), 15%, 12%, 0.87);\n    --md-footer-bg-color--dark: hsla(var(--md-hue), 15%, 10%, 1);\n  }\n  [data-md-color-scheme=slate][data-md-color-primary=black], [data-md-color-scheme=slate][data-md-color-primary=white] {\n    --md-typeset-a-color: hsla(231, 44%, 56%, 1);\n  }\n}\n\n/*# sourceMappingURL=palette.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $colors in (\n  \"red\":         $clr-red-400         $clr-red-300         $clr-red-600,\n  \"pink\":        $clr-pink-500        $clr-pink-400        $clr-pink-700,\n  \"purple\":      $clr-purple-400      $clr-purple-300      $clr-purple-600,\n  \"deep-purple\": $clr-deep-purple-400 $clr-deep-purple-300 $clr-deep-purple-500,\n  \"indigo\":      $clr-indigo-500      $clr-indigo-400      $clr-indigo-700,\n  \"blue\":        $clr-blue-500        $clr-blue-400        $clr-blue-700,\n  \"light-blue\":  $clr-light-blue-500  $clr-light-blue-400  $clr-light-blue-700,\n  \"cyan\":        $clr-cyan-500        $clr-cyan-400        $clr-cyan-700,\n  \"teal\":        $clr-teal-500        $clr-teal-400        $clr-teal-700,\n  \"green\":       $clr-green-500       $clr-green-400       $clr-green-700,\n  \"light-green\": $clr-light-green-500 $clr-light-green-400 $clr-light-green-700,\n  \"lime\":        $clr-lime-500        $clr-lime-400        $clr-lime-700,\n  \"yellow\":      $clr-yellow-500      $clr-yellow-400      $clr-yellow-700,\n  \"amber\":       $clr-amber-500       $clr-amber-400       $clr-amber-700,\n  \"orange\":      $clr-orange-400      $clr-orange-400      $clr-orange-600,\n  \"deep-orange\": $clr-deep-orange-400 $clr-deep-orange-300 $clr-deep-orange-600,\n  \"brown\":       $clr-brown-500       $clr-brown-400       $clr-brown-700,\n  \"grey\":        $clr-grey-600        $clr-grey-500        $clr-grey-700,\n  \"blue-grey\":   $clr-blue-grey-600   $clr-blue-grey-500   $clr-blue-grey-700\n) {\n\n  // Color palette\n  [data-md-color-primary=\"#{$name}\"] {\n    --md-primary-fg-color:             hsla(#{hex2hsl(nth($colors, 1))}, 1);\n    --md-primary-fg-color--light:      hsla(#{hex2hsl(nth($colors, 2))}, 1);\n    --md-primary-fg-color--dark:       hsla(#{hex2hsl(nth($colors, 3))}, 1);\n\n    // Inverted text for lighter shades\n    @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n      --md-primary-bg-color:           hsla(0, 0%, 0%, 0.87);\n      --md-primary-bg-color--light:    hsla(0, 0%, 0%, 0.54);\n    } @else {\n      --md-primary-bg-color:           hsla(0, 0%, 100%, 1);\n      --md-primary-bg-color--light:    hsla(0, 0%, 100%, 0.7);\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: white\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"white\"] {\n  --md-primary-fg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-fg-color--light:        hsla(0, 0%, 100%, 0.7);\n  --md-primary-fg-color--dark:         hsla(0, 0%, 0%, 0.07);\n  --md-primary-bg-color:               hsla(0, 0%, 0%, 0.87);\n  --md-primary-bg-color--light:        hsla(0, 0%, 0%, 0.54);\n\n  // Typeset color shades\n  --md-typeset-a-color:                hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n  // [tablet portrait +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n\n    // Search input\n    .md-search__input {\n      background-color: hsla(0, 0%, 0%, 0.07);\n\n      // Search icon color\n      + .md-search__icon {\n        color: hsla(0, 0%, 0%, 0.87);\n      }\n\n      // Placeholder color\n      &::placeholder {\n        color: hsla(0, 0%, 0%, 0.54);\n      }\n\n      // Search input on hover\n      &:hover {\n        background-color: hsla(0, 0%, 0%, 0.32);\n      }\n    }\n  }\n\n  // [screen +]: Add bottom border for tabs\n  @include break-from-device(screen) {\n\n    // Navigation tabs\n    .md-tabs {\n      border-bottom: px2rem(1px) solid hsla(0, 0%, 0%, 0.07);\n    }\n  }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: black\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"black\"] {\n  --md-primary-fg-color:               hsla(0, 0%, 0%, 1);\n  --md-primary-fg-color--light:        hsla(0, 0%, 0%, 0.54);\n  --md-primary-fg-color--dark:         hsla(0, 0%, 0%, 1);\n  --md-primary-bg-color:               hsla(0, 0%, 100%, 1);\n  --md-primary-bg-color--light:        hsla(0, 0%, 100%, 0.7);\n\n  // Text color shades\n  --md-typeset-a-color:                hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n  // Header\n  .md-header {\n    background-color: hsla(0, 0%, 0%, 1);\n  }\n\n  // [tablet portrait -]: Layered navigation\n  @include break-to-device(tablet portrait) {\n\n    // Repository information container\n    .md-nav__source {\n      background-color: hsla(0, 0%, 0%, 0.87);\n    }\n  }\n\n  // [tablet landscape +]: Header-embedded search\n  @include break-from-device(tablet landscape) {\n\n    // Search input\n    .md-search__input {\n      background-color: hsla(0, 0%, 100%, 0.12);\n\n      // Search form on hover\n      &:hover {\n        background-color: hsla(0, 0%, 100%, 0.3);\n      }\n    }\n  }\n\n  // [tablet -]: Layered navigation\n  @include break-to-device(tablet) {\n\n    // Site title in main navigation\n    html & .md-nav--primary .md-nav__title[for=\"__drawer\"] {\n      background-color: hsla(0, 0%, 0%, 1);\n    }\n  }\n\n  // [screen +]: Set background color for tabs\n  @include break-from-device(screen) {\n\n    // Navigation tabs\n    .md-tabs {\n      background-color: hsla(0, 0%, 0%, 1);\n    }\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n///   $break-devices: (\n///     mobile: (\n///       portrait:  220px  479px,\n///       landscape: 480px  719px\n///     ),\n///     tablet: (\n///       portrait:  720px  959px,\n///       landscape: 960px  1219px\n///     ),\n///     screen: (\n///       small:     1220px 1599px,\n///       medium:    1600px 1999px,\n///       large:     2000px\n///     )\n///   );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n  $min: 1000000;\n  $max: 0;\n  @each $key, $value in $devices {\n    @while type-of($value) == map {\n      $value: break-select-min-max($value);\n    }\n    @if type-of($value) == list {\n      @each $number in $value {\n        @if type-of($number) == number {\n          $min: min($number, $min);\n          @if $max {\n            $max: max($number, $max);\n          }\n        } @else {\n          @error \"Invalid number: #{$number}\";\n        }\n      }\n    } @else if type-of($value) == number {\n      $min: min($value, $min);\n      $max: null;\n    } @else {\n      @error \"Invalid value: #{$value}\";\n    }\n  }\n  @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n  $current: $break-devices;\n  @for $n from 1 through length($device) {\n    @if type-of($current) == map {\n      $current: map-get($current, nth($device, $n));\n    } @else {\n      @error \"Invalid device map: #{$devices}\";\n    }\n  }\n  @if type-of($current) == list or type-of($current) == number {\n    $current: (default: $current);\n  }\n  @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (min-width: $breakpoint) {\n      @content;\n    }\n  } @else if type-of($breakpoint) == list {\n    $min: nth($breakpoint, 1);\n    $max: nth($breakpoint, 2);\n    @if type-of($min) == number and type-of($max) == number {\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid breakpoint: #{$breakpoint}\";\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n  @if type-of($breakpoint) == string {\n    @media screen and (orientation: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n  @if type-of($breakpoint) == number {\n    @media screen and (max-aspect-ratio: $breakpoint) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid breakpoint: #{$breakpoint}\";\n  }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    @if nth($breakpoint, 2) {\n      $min: nth($breakpoint, 1);\n      $max: nth($breakpoint, 2);\n\n      @media screen and (min-width: $min) and (max-width: $max) {\n        @content;\n      }\n    } @else {\n      @error \"Invalid device: #{$device}\";\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $min: nth($breakpoint, 1);\n\n    @media screen and (min-width: $min) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n  @if type-of($device) == string {\n    $device: $device,;\n  }\n  @if type-of($device) == list {\n    $breakpoint: break-select-device($device);\n    $max: nth($breakpoint, 2);\n\n    @media screen and (max-width: $max) {\n      @content;\n    }\n  } @else {\n    @error \"Invalid device: #{$device}\";\n  }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>\n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Only use dark mode on screens\n@media screen {\n\n  // Slate theme, i.e. dark mode\n  [data-md-color-scheme=\"slate\"] {\n\n    // Slate's hue in the range [0,360] - change this variable to alter the tone\n    // of the theme, e.g. to make it more redish or greenish. This is a slate-\n    // specific variable, but the same approach may be adapted to custom themes.\n    --md-hue: 232;\n\n    // Default color shades\n    --md-default-fg-color:             hsla(var(--md-hue), 75%, 95%, 1);\n    --md-default-fg-color--light:      hsla(var(--md-hue), 75%, 90%, 0.62);\n    --md-default-fg-color--lighter:    hsla(var(--md-hue), 75%, 90%, 0.32);\n    --md-default-fg-color--lightest:   hsla(var(--md-hue), 75%, 90%, 0.12);\n    --md-default-bg-color:             hsla(var(--md-hue), 15%, 21%, 1);\n    --md-default-bg-color--light:      hsla(var(--md-hue), 15%, 21%, 0.54);\n    --md-default-bg-color--lighter:    hsla(var(--md-hue), 15%, 21%, 0.26);\n    --md-default-bg-color--lightest:   hsla(var(--md-hue), 15%, 21%, 0.07);\n\n    // Code color shades\n    --md-code-fg-color:                hsla(var(--md-hue), 18%, 86%, 1);\n    --md-code-bg-color:                hsla(var(--md-hue), 15%, 15%, 1);\n\n    // Code highlighting color shades\n    --md-code-hl-color:                hsla(#{hex2hsl($clr-blue-a200)}, 0.15);\n    --md-code-hl-number-color:         hsla(6, 74%, 63%, 1);\n    --md-code-hl-special-color:        hsla(340, 83%, 66%, 1);\n    --md-code-hl-function-color:       hsla(291, 57%, 65%, 1);\n    --md-code-hl-constant-color:       hsla(250, 62%, 70%, 1);\n    --md-code-hl-keyword-color:        hsla(219, 66%, 64%, 1);\n    --md-code-hl-string-color:         hsla(150, 58%, 44%, 1);\n    --md-code-hl-name-color:           var(--md-code-fg-color);\n    --md-code-hl-operator-color:       var(--md-default-fg-color--light);\n    --md-code-hl-punctuation-color:    var(--md-default-fg-color--light);\n    --md-code-hl-comment-color:        var(--md-default-fg-color--light);\n    --md-code-hl-generic-color:        var(--md-default-fg-color--light);\n    --md-code-hl-variable-color:       var(--md-default-fg-color--light);\n\n    // Typeset color shades\n    --md-typeset-color:                var(--md-default-fg-color);\n    --md-typeset-a-color:              var(--md-primary-fg-color);\n\n    // Typeset `mark` color shades\n    --md-typeset-mark-color:           hsla(#{hex2hsl($clr-blue-a200)}, 0.3);\n\n    // Typeset `kbd` color shades\n    --md-typeset-kbd-color:            hsla(var(--md-hue), 15%, 94%, 0.12);\n    --md-typeset-kbd-accent-color:     hsla(var(--md-hue), 15%, 94%, 0.2);\n    --md-typeset-kbd-border-color:     hsla(var(--md-hue), 15%, 14%, 1);\n\n    // Admonition color shades\n    --md-admonition-bg-color:          hsla(var(--md-hue), 0%, 100%, 0.025);\n\n    // Footer color shades\n    --md-footer-bg-color:              hsla(var(--md-hue), 15%, 12%, 0.87);\n    --md-footer-bg-color--dark:        hsla(var(--md-hue), 15%, 10%, 1);\n\n    // Black and white primary colors\n    &[data-md-color-primary=\"black\"],\n    &[data-md-color-primary=\"white\"] {\n\n      // Typeset color shades\n      --md-typeset-a-color:            hsla(#{hex2hsl($clr-indigo-400)}, 1);\n    }\n  }\n}\n"]}
\ No newline at end of file
diff --git a/edge/config/advanced/auth-ldap/index.html b/edge/config/advanced/auth-ldap/index.html
index 66ea709f..30e03083 100644
--- a/edge/config/advanced/auth-ldap/index.html
+++ b/edge/config/advanced/auth-ldap/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/auth-ldap/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1369,6 +1381,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1376,7 +1389,7 @@
   
     <nav class="md-footer__inner md-grid" aria-label="Footer">
       
-        <a href="../override-defaults/postfix/" class="md-footer__link md-footer__link--prev" rel="prev">
+        <a href="../override-defaults/user-patches/" class="md-footer__link md-footer__link--prev" rel="prev">
           <div class="md-footer__button md-icon">
             <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
           </div>
@@ -1385,7 +1398,7 @@
               <span class="md-footer__direction">
                 Previous
               </span>
-              Postfix
+              Modifications via Script
             </div>
           </div>
         </a>
@@ -1433,7 +1446,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/full-text-search/index.html b/edge/config/advanced/full-text-search/index.html
index 2743e5be..9408bd9e 100644
--- a/edge/config/advanced/full-text-search/index.html
+++ b/edge/config/advanced/full-text-search/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/full-text-search/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1303,6 +1315,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1367,7 +1380,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/ipv6/index.html b/edge/config/advanced/ipv6/index.html
index 74cdd8d3..65f7507c 100644
--- a/edge/config/advanced/ipv6/index.html
+++ b/edge/config/advanced/ipv6/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/ipv6/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1289,6 +1301,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1353,7 +1366,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/kubernetes/index.html b/edge/config/advanced/kubernetes/index.html
index 8d5c53e7..670dc17a 100644
--- a/edge/config/advanced/kubernetes/index.html
+++ b/edge/config/advanced/kubernetes/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/kubernetes/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1831,6 +1843,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1895,7 +1908,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/mail-fetchmail/index.html b/edge/config/advanced/mail-fetchmail/index.html
index 0f8af4e7..6ba611a8 100644
--- a/edge/config/advanced/mail-fetchmail/index.html
+++ b/edge/config/advanced/mail-fetchmail/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-fetchmail/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1385,6 +1397,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1449,7 +1462,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/mail-forwarding/aws-ses/index.html b/edge/config/advanced/mail-forwarding/aws-ses/index.html
index 87ce890a..8f0544b8 100644
--- a/edge/config/advanced/mail-forwarding/aws-ses/index.html
+++ b/edge/config/advanced/mail-forwarding/aws-ses/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/aws-ses/">
       
       <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -743,6 +743,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1187,6 +1199,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1251,7 +1264,7 @@
     <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/mail-forwarding/relay-hosts/index.html b/edge/config/advanced/mail-forwarding/relay-hosts/index.html
index 159bf449..f575cc37 100644
--- a/edge/config/advanced/mail-forwarding/relay-hosts/index.html
+++ b/edge/config/advanced/mail-forwarding/relay-hosts/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/relay-hosts/">
       
       <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1391,6 +1403,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1455,7 +1468,7 @@
     <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/mail-sieve/index.html b/edge/config/advanced/mail-sieve/index.html
index 5c86c302..493ccc27 100644
--- a/edge/config/advanced/mail-sieve/index.html
+++ b/edge/config/advanced/mail-sieve/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-sieve/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -748,6 +748,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1306,6 +1318,7 @@ If any filter in this filtering chain discards an incoming mail, the delivery pr
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1370,7 +1383,7 @@ If any filter in this filtering chain discards an incoming mail, the delivery pr
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/maintenance/update-and-cleanup/index.html b/edge/config/advanced/maintenance/update-and-cleanup/index.html
index 52320ca4..fed01775 100644
--- a/edge/config/advanced/maintenance/update-and-cleanup/index.html
+++ b/edge/config/advanced/maintenance/update-and-cleanup/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/maintenance/update-and-cleanup/">
       
       <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -791,6 +791,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1266,6 +1278,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1330,7 +1343,7 @@
     <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/optional-config/index.html b/edge/config/advanced/optional-config/index.html
index 6363a569..1ccefcb9 100644
--- a/edge/config/advanced/optional-config/index.html
+++ b/edge/config/advanced/optional-config/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/optional-config/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -791,6 +791,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1279,6 +1291,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1343,7 +1356,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/override-defaults/dovecot/index.html b/edge/config/advanced/override-defaults/dovecot/index.html
index abfaaf2f..ea99bc96 100644
--- a/edge/config/advanced/override-defaults/dovecot/index.html
+++ b/edge/config/advanced/override-defaults/dovecot/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/dovecot/">
       
       <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -798,6 +798,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1293,6 +1305,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1357,7 +1370,7 @@
     <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/override-defaults/postfix/index.html b/edge/config/advanced/override-defaults/postfix/index.html
index 97bbae36..05049c47 100644
--- a/edge/config/advanced/override-defaults/postfix/index.html
+++ b/edge/config/advanced/override-defaults/postfix/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/postfix/">
       
       <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -752,6 +752,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1188,6 +1200,7 @@ This can also be used to add configuration that is not in our default configurat
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1210,13 +1223,13 @@ This can also be used to add configuration that is not in our default configurat
         </a>
       
       
-        <a href="../../auth-ldap/" class="md-footer__link md-footer__link--next" rel="next">
+        <a href="../user-patches/" class="md-footer__link md-footer__link--next" rel="next">
           <div class="md-footer__title">
             <div class="md-ellipsis">
               <span class="md-footer__direction">
                 Next
               </span>
-              LDAP Authentication
+              Modifications via Script
             </div>
           </div>
           <div class="md-footer__button md-icon">
@@ -1252,7 +1265,7 @@ This can also be used to add configuration that is not in our default configurat
     <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/advanced/override-defaults/user-patches/index.html b/edge/config/advanced/override-defaults/user-patches/index.html
new file mode 100644
index 00000000..87ace58f
--- /dev/null
+++ b/edge/config/advanced/override-defaults/user-patches/index.html
@@ -0,0 +1,1284 @@
+
+<!doctype html>
+<html lang="en" class="no-js">
+  <head>
+    
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width,initial-scale=1">
+      
+        <meta name="description" content="A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker.">
+      
+      
+      
+        <meta name="author" content="docker-mailserver (Github Organization)">
+      
+      
+        <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/user-patches/">
+      
+      <link rel="icon" href="../../../../assets/logo/favicon-32x32.png">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
+    
+    
+      
+        <title>Custom User Changes & Patches | Scripting - Docker Mailserver</title>
+      
+    
+    
+      <link rel="stylesheet" href="../../../../assets/stylesheets/main.33e2939f.min.css">
+      
+        
+        <link rel="stylesheet" href="../../../../assets/stylesheets/palette.ef6f36e2.min.css">
+        
+      
+    
+    
+    
+      
+        
+        <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
+        <style>:root{--md-text-font-family:"Roboto";--md-code-font-family:"Roboto Mono"}</style>
+      
+    
+    
+    
+      <link rel="stylesheet" href="../../../../assets/css/customizations.css">
+    
+    
+      
+    
+    
+  </head>
+  
+  
+    
+    
+    
+    
+    
+    <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
+  
+    
+    <script>function __prefix(e){return new URL("../../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
+    <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
+    <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
+    <label class="md-overlay" for="__drawer"></label>
+    <div data-md-component="skip">
+      
+    </div>
+    <div data-md-component="announce">
+      
+    </div>
+    
+      <header class="md-header" data-md-component="header">
+  <nav class="md-header__inner md-grid" aria-label="Header">
+    <a href="../../../.." title="Docker Mailserver" class="md-header__button md-logo" aria-label="Docker Mailserver" data-md-component="logo">
+      
+  <img src="../../../../assets/logo/dmo-logo-white.svg" alt="logo">
+
+    </a>
+    <label class="md-header__button md-icon" for="__drawer">
+      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg>
+    </label>
+    <div class="md-header__title" data-md-component="header-title">
+      <div class="md-header__ellipsis">
+        <div class="md-header__topic">
+          <span class="md-ellipsis">
+            Docker Mailserver
+          </span>
+        </div>
+        <div class="md-header__topic" data-md-component="header-topic">
+          <span class="md-ellipsis">
+            
+              Custom User Changes & Patches | Scripting
+            
+          </span>
+        </div>
+      </div>
+    </div>
+    
+    
+    
+      <label class="md-header__button md-icon" for="__search">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
+      </label>
+      
+<div class="md-search" data-md-component="search" role="dialog">
+  <label class="md-search__overlay" for="__search"></label>
+  <div class="md-search__inner" role="search">
+    <form class="md-search__form" name="search">
+      <input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" data-md-state="active" required>
+      <label class="md-search__icon md-icon" for="__search">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
+      </label>
+      <button type="reset" class="md-search__icon md-icon" aria-label="Clear" tabindex="-1">
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+<a href="https://github.com/docker-mailserver/docker-mailserver/" title="Go to repository" class="md-source" data-md-component="source">
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+    
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+  </div>
+  <div class="md-source__repository">
+    docker-mailserver
+  </div>
+</a>
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+    
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+</header>
+    
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+      
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+      Introduction
+    </a>
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+    <li class="md-tabs__item">
+      <a href="../../../setup.sh/" class="md-tabs__link md-tabs__link--active">
+        Configuration
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+    <li class="md-tabs__item">
+      <a href="../../../../examples/tutorials/basic-installation/" class="md-tabs__link">
+        Examples
+      </a>
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+    <a href="../../../../faq/" class="md-tabs__link">
+      FAQ
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+    <li class="md-tabs__item">
+      <a href="../../../../contributing/issues-and-pull-requests/" class="md-tabs__link">
+        Contributing
+      </a>
+    </li>
+  
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+
+  <li class="md-tabs__item">
+    <a href="https://hub.docker.com/repository/docker/mailserver/docker-mailserver" class="md-tabs__link">
+      DockerHub
+    </a>
+  </li>
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+      
+        
+  
+  
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+
+  <li class="md-tabs__item">
+    <a href="https://github.com/orgs/docker-mailserver/packages/container/package/docker-mailserver" class="md-tabs__link">
+      GHCR
+    </a>
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+
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+  </div>
+</nav>
+        
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+        <div class="md-main__inner md-grid">
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+  <label class="md-nav__title" for="__drawer">
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+      
+  <img src="../../../../assets/logo/dmo-logo-white.svg" alt="logo">
+
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+    Docker Mailserver
+  </label>
+  
+    <div class="md-nav__source">
+      
+<a href="https://github.com/docker-mailserver/docker-mailserver/" title="Go to repository" class="md-source" data-md-component="source">
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+    
+    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg>
+  </div>
+  <div class="md-source__repository">
+    docker-mailserver
+  </div>
+</a>
+    </div>
+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
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+    <li class="md-nav__item">
+      <a href="../../../.." class="md-nav__link">
+        Home
+      </a>
+    </li>
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+      
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+    <li class="md-nav__item">
+      <a href="../../../../introduction/" class="md-nav__link">
+        Introduction
+      </a>
+    </li>
+  
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+      
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+    
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+    
+    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+      
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+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" type="checkbox" id="__nav_3" checked>
+      
+      <label class="md-nav__link" for="__nav_3">
+        Configuration
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Configuration" data-md-level="1">
+        <label class="md-nav__title" for="__nav_3">
+          <span class="md-nav__icon md-icon"></span>
+          Configuration
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
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+    <li class="md-nav__item">
+      <a href="../../../setup.sh/" class="md-nav__link">
+        Your Best Friend setup.sh
+      </a>
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+    
+    <li class="md-nav__item md-nav__item--nested">
+      
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+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_2" data-md-state="indeterminate" type="checkbox" id="__nav_3_2" checked>
+      
+      <label class="md-nav__link" for="__nav_3_2">
+        User Management
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="User Management" data-md-level="2">
+        <label class="md-nav__title" for="__nav_3_2">
+          <span class="md-nav__icon md-icon"></span>
+          User Management
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../user-management/accounts/" class="md-nav__link">
+        Accounts
+      </a>
+    </li>
+  
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+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../user-management/aliases/" class="md-nav__link">
+        Aliases
+      </a>
+    </li>
+  
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+        </ul>
+      </nav>
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+  
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+            
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+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_3" data-md-state="indeterminate" type="checkbox" id="__nav_3_3" checked>
+      
+      <label class="md-nav__link" for="__nav_3_3">
+        Best Practices
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Best Practices" data-md-level="2">
+        <label class="md-nav__title" for="__nav_3_3">
+          <span class="md-nav__icon md-icon"></span>
+          Best Practices
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../best-practices/dkim/" class="md-nav__link">
+        DKIM
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../best-practices/dmarc/" class="md-nav__link">
+        DMARC
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../best-practices/spf/" class="md-nav__link">
+        SPF
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../best-practices/autodiscover/" class="md-nav__link">
+        Auto-discovery
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_4" data-md-state="indeterminate" type="checkbox" id="__nav_3_4" checked>
+      
+      <label class="md-nav__link" for="__nav_3_4">
+        Security
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Security" data-md-level="2">
+        <label class="md-nav__title" for="__nav_3_4">
+          <span class="md-nav__icon md-icon"></span>
+          Security
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../security/understanding-the-ports/" class="md-nav__link">
+        Understanding the Ports
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../security/ssl/" class="md-nav__link">
+        SSL/TLS
+      </a>
+    </li>
+  
+
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+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../security/fail2ban/" class="md-nav__link">
+        Fail2Ban
+      </a>
+    </li>
+  
+
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+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_5" data-md-state="indeterminate" type="checkbox" id="__nav_3_5" checked>
+      
+      <label class="md-nav__link" for="__nav_3_5">
+        Troubleshooting
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Troubleshooting" data-md-level="2">
+        <label class="md-nav__title" for="__nav_3_5">
+          <span class="md-nav__icon md-icon"></span>
+          Troubleshooting
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../troubleshooting/debugging/" class="md-nav__link">
+        Debugging
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../pop3/" class="md-nav__link">
+        Mail Delivery with POP3
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+    
+  
+  
+    
+    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_7" type="checkbox" id="__nav_3_7" checked>
+      
+      <label class="md-nav__link" for="__nav_3_7">
+        Advanced Configuration
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Advanced Configuration" data-md-level="2">
+        <label class="md-nav__title" for="__nav_3_7">
+          <span class="md-nav__icon md-icon"></span>
+          Advanced Configuration
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../optional-config/" class="md-nav__link">
+        Optional Configuration
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_7_2" data-md-state="indeterminate" type="checkbox" id="__nav_3_7_2" checked>
+      
+      <label class="md-nav__link" for="__nav_3_7_2">
+        Maintenance
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Maintenance" data-md-level="3">
+        <label class="md-nav__title" for="__nav_3_7_2">
+          <span class="md-nav__icon md-icon"></span>
+          Maintenance
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../maintenance/update-and-cleanup/" class="md-nav__link">
+        Update and Cleanup
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+    
+  
+  
+    
+    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_7_3" type="checkbox" id="__nav_3_7_3" checked>
+      
+      <label class="md-nav__link" for="__nav_3_7_3">
+        Override the Default Configs
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Override the Default Configs" data-md-level="3">
+        <label class="md-nav__title" for="__nav_3_7_3">
+          <span class="md-nav__icon md-icon"></span>
+          Override the Default Configs
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../dovecot/" class="md-nav__link">
+        Dovecot
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../postfix/" class="md-nav__link">
+        Postfix
+      </a>
+    </li>
+  
+
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+            
+  
+  
+    
+  
+  
+    <li class="md-nav__item md-nav__item--active">
+      
+      <input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
+      
+      
+      <a href="./" class="md-nav__link md-nav__link--active">
+        Modifications via Script
+      </a>
+      
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../auth-ldap/" class="md-nav__link">
+        LDAP Authentication
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../mail-sieve/" class="md-nav__link">
+        Email Filtering with Sieve
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../mail-fetchmail/" class="md-nav__link">
+        Email Gathering with Fetchmail
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_7_7" data-md-state="indeterminate" type="checkbox" id="__nav_3_7_7" checked>
+      
+      <label class="md-nav__link" for="__nav_3_7_7">
+        Email Forwarding
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Email Forwarding" data-md-level="3">
+        <label class="md-nav__title" for="__nav_3_7_7">
+          <span class="md-nav__icon md-icon"></span>
+          Email Forwarding
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../mail-forwarding/relay-hosts/" class="md-nav__link">
+        Relay Hosts
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../mail-forwarding/aws-ses/" class="md-nav__link">
+        AWS SES
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../full-text-search/" class="md-nav__link">
+        Full-Text Search
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../kubernetes/" class="md-nav__link">
+        Kubernetes
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../ipv6/" class="md-nav__link">
+        IPv6
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+    
+      
+      
+      
+
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" data-md-state="indeterminate" type="checkbox" id="__nav_4" checked>
+      
+      <label class="md-nav__link" for="__nav_4">
+        Examples
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Examples" data-md-level="1">
+        <label class="md-nav__title" for="__nav_4">
+          <span class="md-nav__icon md-icon"></span>
+          Examples
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4_1" data-md-state="indeterminate" type="checkbox" id="__nav_4_1" checked>
+      
+      <label class="md-nav__link" for="__nav_4_1">
+        Tutorials
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Tutorials" data-md-level="2">
+        <label class="md-nav__title" for="__nav_4_1">
+          <span class="md-nav__icon md-icon"></span>
+          Tutorials
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../examples/tutorials/basic-installation/" class="md-nav__link">
+        Basic Installation
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../examples/tutorials/mailserver-behind-proxy/" class="md-nav__link">
+        Mailserver behind Proxy
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4_2" data-md-state="indeterminate" type="checkbox" id="__nav_4_2" checked>
+      
+      <label class="md-nav__link" for="__nav_4_2">
+        Use Cases
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Use Cases" data-md-level="2">
+        <label class="md-nav__title" for="__nav_4_2">
+          <span class="md-nav__icon md-icon"></span>
+          Use Cases
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../examples/uses-cases/forward-only-mailserver-with-ldap-authentication/" class="md-nav__link">
+        Forward-Only Mailserver with LDAP
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+    
+      
+      
+      
+
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../faq/" class="md-nav__link">
+        FAQ
+      </a>
+    </li>
+  
+
+    
+      
+      
+      
+
+  
+  
+  
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+      
+        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_6" data-md-state="indeterminate" type="checkbox" id="__nav_6" checked>
+      
+      <label class="md-nav__link" for="__nav_6">
+        Contributing
+        <span class="md-nav__icon md-icon"></span>
+      </label>
+      <nav class="md-nav" aria-label="Contributing" data-md-level="1">
+        <label class="md-nav__title" for="__nav_6">
+          <span class="md-nav__icon md-icon"></span>
+          Contributing
+        </label>
+        <ul class="md-nav__list" data-md-scrollfix>
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../contributing/issues-and-pull-requests/" class="md-nav__link">
+        Issues and Pull Requests
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../contributing/coding-style/" class="md-nav__link">
+        Coding Style
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../contributing/tests/" class="md-nav__link">
+        Tests
+      </a>
+    </li>
+  
+
+          
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../../contributing/documentation/" class="md-nav__link">
+        Documentation
+      </a>
+    </li>
+  
+
+          
+        </ul>
+      </nav>
+    </li>
+  
+
+    
+      
+      
+      
+
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="https://hub.docker.com/repository/docker/mailserver/docker-mailserver" class="md-nav__link">
+        DockerHub
+      </a>
+    </li>
+  
+
+    
+      
+      
+      
+
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="https://github.com/orgs/docker-mailserver/packages/container/package/docker-mailserver" class="md-nav__link">
+        GHCR
+      </a>
+    </li>
+  
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
+          
+          <div class="md-content" data-md-component="content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/docker-mailserver/docker-mailserver/edit/master/docs/content/config/advanced/override-defaults/user-patches.md" title="Edit this page" class="md-content__button md-icon">
+                    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg>
+                  </a>
+                
+                
+                  <h1>Modifications via Script</h1>
+                
+                <p>If you'd like to change, patch or alter files or behavior of <code>docker-mailserver</code>, you can use a script.</p>
+<p>In case you cloned this repository, you can copy the file <code>user-patches.sh.dist</code> under <code>config/</code> with <code class="highlight">cp config/user-patches.sh.dist config/user-patches.sh</code> in order to create the <code>user-patches.sh</code> script. In case you are managing your directory structure yourself, create a <code>config/</code> directory and the <code>user-patches.sh</code> file yourself.</p>
+<div class="highlight"><pre><span></span><code><span class="c1"># 1. Either create the config/ directory yourself</span>
+<span class="c1">#    or let docker-mailserver create it on initial</span>
+<span class="c1">#    startup</span>
+~/somewhere $ mkdir config <span class="o">&amp;&amp;</span> <span class="nb">cd</span> config
+
+<span class="c1"># 2. Create the user-patches.sh and edit it</span>
+~/somewhere/config $ touch user-patches.sh
+~/somewhere/config $ vi user-patches.sh
+</code></pre></div>
+<p>The contents could look like this</p>
+<div class="highlight"><pre><span></span><code><span class="ch">#! /bin/bash</span>
+
+sed -i -E <span class="s1">&#39;s|(log_level).*|\1 = -1;|g&#39;</span> /etc/amavis/conf.d/49-docker-mailserver
+
+cat &gt;/etc/amavis/conf.d/50-user &lt;&lt; <span class="s2">&quot;END&quot;</span>
+use strict<span class="p">;</span>
+
+<span class="nv">$undecipherable_subject_tag</span> <span class="o">=</span> undef<span class="p">;</span>
+<span class="nv">$admin_maps_by_ccat</span><span class="o">{</span>+CC_UNCHECKED<span class="o">}</span> <span class="o">=</span>  undef<span class="p">;</span>
+
+<span class="c1">#------------ Do not modify anything below this line -------------</span>
+<span class="m">1</span><span class="p">;</span>  <span class="c1"># ensure a defined return</span>
+END
+
+...
+</code></pre></div>
+<p>And you're done. The user patches script runs right before starting daemons. That means, all the other configuration is in place, so the script can make final adjustments.</p>
+<div class="admonition note">
+<p class="admonition-title">Note</p>
+<p>Many "patches" can already be done with the Docker Compose-/Stack-file. Adding hostnames to <code>/etc/hosts</code> is done with the <code class="highlight"><span class="nt">extra_hosts</span><span class="p">:</span></code> section, <code>sysctl</code> commands can be managed with the <code class="highlight"><span class="nt">sysctls</span><span class="p">:</span></code> section, etc.</p>
+</div>
+                
+                  
+                
+              
+              
+                
+
+
+              
+            </article>
+          </div>
+        </div>
+        
+      </main>
+      
+        
+<footer class="md-footer">
+  
+    <nav class="md-footer__inner md-grid" aria-label="Footer">
+      
+        <a href="../postfix/" class="md-footer__link md-footer__link--prev" rel="prev">
+          <div class="md-footer__button md-icon">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
+          </div>
+          <div class="md-footer__title">
+            <div class="md-ellipsis">
+              <span class="md-footer__direction">
+                Previous
+              </span>
+              Postfix
+            </div>
+          </div>
+        </a>
+      
+      
+        <a href="../../auth-ldap/" class="md-footer__link md-footer__link--next" rel="next">
+          <div class="md-footer__title">
+            <div class="md-ellipsis">
+              <span class="md-footer__direction">
+                Next
+              </span>
+              LDAP Authentication
+            </div>
+          </div>
+          <div class="md-footer__button md-icon">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4z"/></svg>
+          </div>
+        </a>
+      
+    </nav>
+  
+  <div class="md-footer-meta md-typeset">
+    <div class="md-footer-meta__inner md-grid">
+      <div class="md-footer-copyright">
+        
+          <div class="md-footer-copyright__highlight">
+            <p>&copy <a href="https://github.com/docker-mailserver"><em>Docker Mailserver Organization</em></a><br/><span>This project is licensed under the MIT license.</span></p>
+          </div>
+        
+        Made with
+        <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener">
+          Material for MkDocs
+        </a>
+        
+      </div>
+      
+    </div>
+  </div>
+</footer>
+      
+    </div>
+    <div class="md-dialog" data-md-component="dialog">
+      <div class="md-dialog__inner md-typeset"></div>
+    </div>
+    <script id="__config" type="application/json">{"base": "../../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
+    
+    
+      <script src="../../../../assets/javascripts/bundle.d892486b.min.js"></script>
+      
+    
+  </body>
+</html>
\ No newline at end of file
diff --git a/edge/config/best-practices/autodiscover/index.html b/edge/config/best-practices/autodiscover/index.html
index 3d955d4b..53af9406 100644
--- a/edge/config/best-practices/autodiscover/index.html
+++ b/edge/config/best-practices/autodiscover/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/autodiscover/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -752,6 +752,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1170,6 +1182,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1234,7 +1247,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/best-practices/dkim/index.html b/edge/config/best-practices/dkim/index.html
index 5ce10c7f..1dffd005 100644
--- a/edge/config/best-practices/dkim/index.html
+++ b/edge/config/best-practices/dkim/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dkim/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -810,6 +810,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1372,6 +1384,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1436,7 +1449,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/best-practices/dmarc/index.html b/edge/config/best-practices/dmarc/index.html
index f9c04d83..051b1e6e 100644
--- a/edge/config/best-practices/dmarc/index.html
+++ b/edge/config/best-practices/dmarc/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dmarc/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -784,6 +784,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1245,6 +1257,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1309,7 +1322,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/best-practices/spf/index.html b/edge/config/best-practices/spf/index.html
index 5ac52840..d2e2793d 100644
--- a/edge/config/best-practices/spf/index.html
+++ b/edge/config/best-practices/spf/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/spf/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -791,6 +791,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1282,6 +1294,7 @@ domain.com. IN TXT &quot;v=spf1 mx ~all&quot;
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1346,7 +1359,7 @@ domain.com. IN TXT &quot;v=spf1 mx ~all&quot;
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/pop3/index.html b/edge/config/pop3/index.html
index 7cf94130..c6869ec0 100644
--- a/edge/config/pop3/index.html
+++ b/edge/config/pop3/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/pop3/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -750,6 +750,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1181,6 +1193,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1245,7 +1258,7 @@
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/security/fail2ban/index.html b/edge/config/security/fail2ban/index.html
index 6941ed03..29c7d4e7 100644
--- a/edge/config/security/fail2ban/index.html
+++ b/edge/config/security/fail2ban/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/security/fail2ban/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -752,6 +752,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1185,6 +1197,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1249,7 +1262,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/security/ssl/index.html b/edge/config/security/ssl/index.html
index 516853fe..6ab274d7 100644
--- a/edge/config/security/ssl/index.html
+++ b/edge/config/security/ssl/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/security/ssl/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -885,6 +885,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1965,6 +1977,7 @@ openssl s_client <span class="se">\</span>
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -2029,7 +2042,7 @@ openssl s_client <span class="se">\</span>
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/security/understanding-the-ports/index.html b/edge/config/security/understanding-the-ports/index.html
index 01335ace..5be7a7c0 100644
--- a/edge/config/security/understanding-the-ports/index.html
+++ b/edge/config/security/understanding-the-ports/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/security/understanding-the-ports/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -869,6 +869,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1506,6 +1518,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1570,7 +1583,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/setup.sh/index.html b/edge/config/setup.sh/index.html
index 14b05928..210d9d5e 100644
--- a/edge/config/setup.sh/index.html
+++ b/edge/config/setup.sh/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/setup.sh/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -782,6 +782,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1303,6 +1315,7 @@ SUBCOMMANDS:
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1367,7 +1380,7 @@ SUBCOMMANDS:
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/troubleshooting/debugging/index.html b/edge/config/troubleshooting/debugging/index.html
index 43fed838..ad4dd03e 100644
--- a/edge/config/troubleshooting/debugging/index.html
+++ b/edge/config/troubleshooting/debugging/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/troubleshooting/debugging/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -810,6 +810,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1332,6 +1344,7 @@ fail2ban-client stop postfix
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1396,7 +1409,7 @@ fail2ban-client stop postfix
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/user-management/accounts/index.html b/edge/config/user-management/accounts/index.html
index e4a5b778..ec01bf20 100644
--- a/edge/config/user-management/accounts/index.html
+++ b/edge/config/user-management/accounts/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/accounts/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -797,6 +797,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1285,6 +1297,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1349,7 +1362,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/config/user-management/aliases/index.html b/edge/config/user-management/aliases/index.html
index f87a6c23..9556f392 100644
--- a/edge/config/user-management/aliases/index.html
+++ b/edge/config/user-management/aliases/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/aliases/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -789,6 +789,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1265,6 +1277,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1329,7 +1342,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/contributing/coding-style/index.html b/edge/contributing/coding-style/index.html
index 9954a4d8..2d04aa55 100644
--- a/edge/contributing/coding-style/index.html
+++ b/edge/contributing/coding-style/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/contributing/coding-style/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1468,6 +1480,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1532,7 +1545,7 @@
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/contributing/documentation/index.html b/edge/contributing/documentation/index.html
index 8fef8dda..f96bcd99 100644
--- a/edge/contributing/documentation/index.html
+++ b/edge/contributing/documentation/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/contributing/documentation/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -739,6 +739,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1167,6 +1179,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1217,7 +1230,7 @@
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/contributing/issues-and-pull-requests/index.html b/edge/contributing/issues-and-pull-requests/index.html
index 71d17786..e505ff24 100644
--- a/edge/contributing/issues-and-pull-requests/index.html
+++ b/edge/contributing/issues-and-pull-requests/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/contributing/issues-and-pull-requests/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1298,6 +1310,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1362,7 +1375,7 @@
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/contributing/tests/index.html b/edge/contributing/tests/index.html
index dbdba7ae..7da71044 100644
--- a/edge/contributing/tests/index.html
+++ b/edge/contributing/tests/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/contributing/tests/">
       
       <link rel="icon" href="../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -96,9 +97,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -739,6 +739,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1167,6 +1179,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1231,7 +1244,7 @@
     <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/examples/tutorials/basic-installation/index.html b/edge/examples/tutorials/basic-installation/index.html
index b927064a..72409f12 100644
--- a/edge/examples/tutorials/basic-installation/index.html
+++ b/edge/examples/tutorials/basic-installation/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/basic-installation/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1373,6 +1385,7 @@ docker-compose up mail
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1437,7 +1450,7 @@ docker-compose up mail
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/examples/tutorials/mailserver-behind-proxy/index.html b/edge/examples/tutorials/mailserver-behind-proxy/index.html
index 133cecdc..acf10bd8 100644
--- a/edge/examples/tutorials/mailserver-behind-proxy/index.html
+++ b/edge/examples/tutorials/mailserver-behind-proxy/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/mailserver-behind-proxy/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1376,6 +1388,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1440,7 +1453,7 @@
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/index.html b/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/index.html
index e9fe2308..debb9057 100644
--- a/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/index.html
+++ b/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/">
       
       <link rel="icon" href="../../../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../../../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../../../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../../../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../../../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("../../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1327,6 +1339,7 @@ postfix reload
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1391,7 +1404,7 @@ postfix reload
     <script id="__config" type="application/json">{"base": "../../..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../../../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../../../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/faq/index.html b/edge/faq/index.html
index 906929b7..eb6cd2f2 100644
--- a/edge/faq/index.html
+++ b/edge/faq/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/faq/">
       
       <link rel="icon" href="../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -744,6 +744,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1859,6 +1871,7 @@ supervisorctl update
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1923,7 +1936,7 @@ supervisorctl update
     <script id="__config" type="application/json">{"base": "..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/index.html b/edge/index.html
index 3baba30e..5b0cef12 100644
--- a/edge/index.html
+++ b/edge/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/">
       
       <link rel="icon" href="assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL(".",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -789,6 +789,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1242,6 +1254,10 @@
 <p class="admonition-title">Tip</p>
 <p>See the <a href="faq/">FAQ</a> for some more tips!</p>
 </div>
+<div class="admonition important">
+<p class="admonition-title">Important</p>
+<p>If you'd like to change, patch or alter files or behavior of <code>docker-mailserver</code>, you can use a script. Just place it in the <code>config/</code> folder that is created on startup and call it <code>user-patches.sh</code>. If you'd like to see the full documentation and an example, visit the <a href="config/advanced/override-defaults/user-patches/">'Modifications via Script' page</a>.</p>
+</div>
 <h2 id="contributing"><a class="toclink" href="#contributing">Contributing</a></h2>
 <p>We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the <a href="contributing/issues-and-pull-requests/">Contributing section</a>.</p>
                 
@@ -1256,6 +1272,7 @@
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1306,7 +1323,7 @@
     <script id="__config" type="application/json">{"base": ".", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/introduction/index.html b/edge/introduction/index.html
index 25d67a9d..0f524044 100644
--- a/edge/introduction/index.html
+++ b/edge/introduction/index.html
@@ -16,7 +16,7 @@
         <link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/introduction/">
       
       <link rel="icon" href="../assets/logo/favicon-32x32.png">
-      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.0.7">
+      <meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.0">
     
     
       
@@ -24,10 +24,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.c772ddf0.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.33e2939f.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.7fa14f5b.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ef6f36e2.min.css">
         
       
     
@@ -57,9 +57,10 @@
     
     
     <body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
-      
   
     
+    <script>function __prefix(e){return new URL("..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
+    
     <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
     <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
     <label class="md-overlay" for="__drawer"></label>
@@ -101,9 +102,8 @@
         </div>
       </div>
     </div>
-    <div class="md-header__options">
-      
-    </div>
+    
+    
     
       <label class="md-header__button md-icon" for="__search">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
@@ -863,6 +863,18 @@
   
 
           
+            
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../config/advanced/override-defaults/user-patches/" class="md-nav__link">
+        Modifications via Script
+      </a>
+    </li>
+  
+
+          
         </ul>
       </nav>
     </li>
@@ -1576,6 +1588,7 @@ Me -- STARTTLS ---&gt; ┤(587)  My MTA       │                    ┊ Third-p
             </article>
           </div>
         </div>
+        
       </main>
       
         
@@ -1640,7 +1653,7 @@ Me -- STARTTLS ---&gt; ┤(587)  My MTA       │                    ┊ Third-p
     <script id="__config" type="application/json">{"base": "..", "features": ["navigation.tabs", "navigation.expand", "navigation.instant"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../assets/javascripts/workers/search.fe42c31b.min.js", "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.65ce87ac.min.js"></script>
+      <script src="../assets/javascripts/bundle.d892486b.min.js"></script>
       
     
   </body>
diff --git a/edge/search/search_index.json b/edge/search/search_index.json
index 00eafdee..cef9837a 100644
--- a/edge/search/search_index.json
+++ b/edge/search/search_index.json
@@ -1 +1 @@
-{"config":{"lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"","text":"Welcome to the Extended Documentation for docker-mailserver ! Please first have a look at the README.md to setup and configure this server. This documentation provides you with advanced configuration, detailed examples, and hints. Getting Started The script setup.sh is supplied with this project. It supports you in configuring and administrating your server. Information on how to get it and how to use it is available on a dedicated page . Be aware that advanced tasks may still require tweaking environment variables, reading through documentation and sometimes inspecting your running container for debugging purposes. After all, a mail server is a complex arrangement of various programs. A list of all configuration options is provided in ENVIRONMENT.md . The README.md is a good starting point to understand what this image is capable of. A list of all optional and automatically created configuration files and directories is available on the dedicated page . Tip See the FAQ for some more tips! Contributing We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the Contributing section .","title":"Home"},{"location":"#welcome-to-the-extended-documentation-for-docker-mailserver","text":"Please first have a look at the README.md to setup and configure this server. This documentation provides you with advanced configuration, detailed examples, and hints.","title":"Welcome to the Extended Documentation for docker-mailserver!"},{"location":"#getting-started","text":"The script setup.sh is supplied with this project. It supports you in configuring and administrating your server. Information on how to get it and how to use it is available on a dedicated page . Be aware that advanced tasks may still require tweaking environment variables, reading through documentation and sometimes inspecting your running container for debugging purposes. After all, a mail server is a complex arrangement of various programs. A list of all configuration options is provided in ENVIRONMENT.md . The README.md is a good starting point to understand what this image is capable of. A list of all optional and automatically created configuration files and directories is available on the dedicated page . Tip See the FAQ for some more tips!","title":"Getting Started"},{"location":"#contributing","text":"We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the Contributing section .","title":"Contributing"},{"location":"faq/","text":"What kind of database are you using? None! No database is required. Filesystem is the database. This image is based on config files that can be persisted using Docker volumes, and as such versioned, backed up and so forth. Where are emails stored? Mails are stored in /var/mail/${domain}/${username} . Since v9.0.0 it is possible to add custom user_attributes for each accounts to have a different mailbox configuration (See #1792 ). Warning You should use a data volume container for /var/mail to persist data. Otherwise, your data may be lost. How to alter the running mailserver instance without relaunching the container? docker-mailserver aggregates multiple \"sub-services\", such as Postfix, Dovecot, Fail2ban, SpamAssassin, etc. In many cases, one may edit a sub-service's config and reload that very sub-service, without stopping and relaunching the whole mail server. In order to do so, you'll probably want to push your config updates to your server through a Docker volume, then restart the sub-service to apply your changes, using supervisorctl . For instance, after editing fail2ban's config: supervisorctl restart fail2ban . See supervisorctl's documentation . Tip To add, update or delete an email account; there is no need to restart postfix / dovecot service inside the container after using setup.sh script. For more information, see #1639 . How can I sync container with host date/time? Timezone? Share the host's /etc/localtime with the docker-mailserver container, using a Docker volume: volumes : - /etc/localtime:/etc/localtime:ro Optional Add one line to .env or env-mailserver to set timetzone for container, for example: TZ = Europe/Berlin Check here for the tz name list What is the file format? All files are using the Unix format with LF line endings. Please do not use CRLF . What about backups? Assuming that you use docker-compose and a data volumes, you can backup your user mails like this: docker run --rm -ti \\ -v maildata:/var/mail \\ -v mailstate:/var/mail-state \\ -v /backup/mail:/backup \\ alpine:3.2 \\ tar czf \"/backup/mail- $( date +%y%m%d-%H%M%S ) .tgz\" /var/mail /var/mail-state find /backup/mail -type f -mtime +30 -exec rm -f {} \\; What about mail-state folder? This folder consolidates all data generated by the server itself to persist when you upgrade. Example of data folder persisted: lib-amavis, lib-clamav, lib-fail2ban, lib-postfix, lib-postgrey, lib-spamassasin, lib-spamassassin, spool-postfix, ... How can I configure my email client? Login are full email address ( user@domain.com ). # imap username : <user1@domain.tld> password : <mypassword> server : <mail.domain.tld> imap port : 143 or 993 with ssl (recommended) imap path prefix : INBOX # smtp smtp port : 25 or 587 with ssl (recommended) username : <user1@domain.tld> password : <mypassword> Please use STARTTLS . How can I manage my custom SpamAssassin rules? Antispam rules are managed in config/spamassassin-rules.cf . What are acceptable SA_SPAM_SUBJECT values? For no subject set SA_SPAM_SUBJECT=undef . For a trailing white-space subject one can define the whole variable with quotes in docker-compose.yml : environment : - \"SA_SPAM_SUBJECT=[SPAM] \" Can I use naked/bare domains (no host name)? Yes, but not without some configuration changes. Normally it is assumed that docker-mailserver runs on a host with a name, so the fully qualified host name might be mail.example.com with the domain example.com . The MX records point to mail.example.com . To use a bare domain where the host name is example.com and the domain is also example.com , change mydestination : From: mydestination = $myhostname, localhost.$mydomain, localhost To: mydestination = localhost.$mydomain, localhost Add the latter line to config/postfix-main.cf . That should work. Without that change there will be warnings in the logs like: warning: do not list domain example.com in BOTH mydestination and virtual_mailbox_domains Plus of course mail delivery fails. Why are SpamAssassin x-headers not inserted into my sample.domain.com subdomain emails? In the default setup, amavis only applies SpamAssassin x-headers into domains matching the template listed in the config file ( 05-domain_id in the amavis defaults). The default setup @local_domains_acl = ( \".$mydomain\" ); does not match subdomains. To match subdomains, you can override the @local_domains_acl directive in the amavis user config file 50-user with @local_domains_maps = (\".\"); to match any sort of domain template. How can I make SpamAssassin better recognize spam? Put received spams in .Junk/ imap folder using SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1 and add a user cron like the following: # This assumes you're having `environment: ONE_DIR=1` in the `mailserver.env`, # with a consolidated config in `/var/mail-state` # # m h dom mon dow command # Everyday 2:00AM, learn spam from a specific user 0 2 * * * docker exec mail sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin If you run the server with docker-compose , you can leverage on docker configs and the mailserver's own cron. This is less problematic than the simple solution shown above, because it decouples the learning from the host on which the mailserver is running and avoids errors if the server is not running. The following configuration works nicely: Example Create a system cron file: # in the docker-compose.yml root directory mkdir cron touch cron/sa-learn chown root:root cron/sa-learn chmod 0644 cron/sa-learn Edit the system cron file nano cron/sa-learn , and set an appropriate configuration: # This assumes you're having `environment: ONE_DIR=1` in the env-mailserver, # with a consolidated config in `/var/mail-state` # # m h dom mon dow user command # # Everyday 2:00AM, learn spam from a specific user # spam: junk directory 0 2 * * * root sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 2 * * * root sa-learn --ham /var/mail/domain.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 2 * * * root sa-learn --ham /var/mail/domain.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin # # Everyday 3:00AM, learn spam from all users of a domain # spam: junk directory 0 3 * * * root sa-learn --spam /var/mail/otherdomain.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin Then with plain docker-compose : services : mail : image : mailserver/docker-mailserver:latest volumes : - ./cron/sa-learn:/etc/cron.d/sa-learn Or with docker swarm : version : \"3.3\" services : mail : image : mailserver/docker-mailserver:latest # ... configs : - source : my_sa_crontab target : /etc/cron.d/sa-learn configs : my_sa_crontab : file : ./cron/sa-learn With the default settings, SpamAssassin will require 200 mails trained for spam (for example with the method explained above) and 200 mails trained for ham (using the same command as above but using --ham and providing it with some ham mails). Until you provided these 200+200 mails, SpamAssassin will not take the learned mails into account. For further reference, see the SpamAssassin Wiki . How can I configure a catch-all? Considering you want to redirect all incoming e-mails for the domain domain.tld to user1@domain.tld , add the following line to config/postfix-virtual.cf : @domain.tld user1@domain.tld How can I delete all the emails for a specific user? First of all, create a special alias named devnull by editing config/postfix-aliases.cf : devnull: /dev/null Considering you want to delete all the e-mails received for baduser@domain.tld , add the following line to config/postfix-virtual.cf : baduser@domain.tld devnull How do I have more control about what SPAMASSASIN is filtering? By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior: First, make sure you have the proper thresholds set: SA_TAG = -100000.0 SA_TAG2 = 3.75 SA_KILL = 100000.0 The very negative vaue in SA_TAG makes sure, that all emails have the SpamAssassin headers included. SA_TAG2 is the actual threshold to set the YES/NO flag for spam detection. SA_KILL needs to be very high, to make sure nothing is bounced at all ( SA_KILL superseeds SPAMASSASSIN_SPAM_TO_INBOX ) Make sure everything (including SPAM) is delivered to the inbox and not quarantined: SPAMASSASSIN_SPAM_TO_INBOX = 1 Use MOVE_SPAM_TO_JUNK=1 or create a sieve script which puts spam to the Junk folder: require [ \"comparator-i;ascii-numeric\" , \"relational\" , \"fileinto\" ]; if header :contains \"X-Spam-Flag\" \"YES\" { fileinto \"Junk\" ; } elsif allof ( not header :matches \"x-spam-score\" \"-*\" , header :value \"ge\" :comparator \"i;ascii-numeric\" \"x-spam-score\" \"3.75\" ) { fileinto \"Junk\" ; } Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into config/amavis.cf $clean_quarantine_to = \"amavis\\@domain.com\"; $virus_quarantine_to = \"amavis\\@domain.com\"; $banned_quarantine_to = \"amavis\\@domain.com\"; $bad_header_quarantine_to = \"amavis\\@domain.com\"; $spam_quarantine_to = \"amavis\\@domain.com\"; What kind of SSL certificates can I use? You can use the same certificates you use with another mail server. The only thing is that we provide a self-signed certificate tool and a letsencrypt certificate loader. I just moved from my old mail server, but \"it doesn't work\"? If this migration implies a DNS modification, be sure to wait for DNS propagation before opening an issue. Few examples of symptoms can be found here or here . This could be related to a modification of your MX record, or the IP mapped to mail.my-domain.tld . Additionally, validate your DNS configuration . If everything is OK regarding DNS, please provide formatted logs and config files. This will allow us to help you. If we're blind, we won't be able to do anything. What system requirements are required to run docker-mailserver effectively? 1 core and 1GB of RAM + swap partition is recommended to run docker-mailserver with clamav. Otherwise, it could work with 512M of RAM. Warning Clamav can consume a lot of memory, as it reads the entire signature database into RAM. Current figure is about 850M and growing. If you get errors about clamav or amavis failing to allocate memory you need more RAM or more swap and of course docker must be allowed to use swap (not always the case). If you can't use swap at all you may need 3G RAM. Can docker-mailserver run in a Rancher Environment? Yes, by adding the environment variable PERMIT_DOCKER: network . Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . How can I Authenticate Users with SMTP_ONLY ? See #1247 for an example. Todo Write a How-to / Use-Case / Tutorial about authentication with SMTP_ONLY . Common Errors warning: connect to Milter service inet:localhost:8893: Connection refused # DMARC not running # = > /etc/init.d/opendmarc restart warning: connect to Milter service inet:localhost:8891: Connection refused # DKIM not running # = > /etc/init.d/opendkim restart mail amavis[1459]: (01459-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory mail amavis[1459]: (01459-01) (!)ClamAV-clamd: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2) mail amavis[1459]: (01459-01) (!)ClamAV-clamscan av-scanner FAILED: /usr/bin/clamscan KILLED, signal 9 (0009) at (eval 100) line 905. mail amavis[1459]: (01459-01) (!!)AV: ALL VIRUS SCANNERS FAILED # Clamav is not running ( not started or because you don ' t have enough memory ) # = > check requirements and/or start Clamav How to use when behind a Proxy Add to /etc/postfix/main.cf : proxy_interfaces = X.X.X.X (your public IP) What About Updates You can of course use a own script or every now and then pull && stop && rm && start the images but there are tools available for this. There is a section in the Update and Cleanup documentation page that explains how to use it the docker way. How to adjust settings with the user-patches.sh script Suppose you want to change a number of settings that are not listed as variables or add things to the server that are not included? This docker-container has a built-in way to do post-install processes. If you place a script called user-patches.sh in the config directory it will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. The config file I am talking about is this volume in the yml file: ./config/:/tmp/docker-mailserver/ To place such a script you can just make it in the config dir, for instance like this: cd ./config touch user-patches.sh chmod +x user-patches.sh Then fill user-patches.sh with suitable code. If you want to test it you can move into the running container, run it and see if it does what you want. For instance: # start shell in container ./setup.sh debug login # check the file cat /tmp/docker-mailserver/user-patches.sh # run the script /tmp/docker-mailserver/user-patches.sh # exit the container shell back to the host shell exit You can do a lot of things with such a script. You can find an example user-patches.sh script here: example user-patches.sh script Special use-case - Patching the supervisord config It seems worth noting, that the user-patches.sh gets executed trough supervisord. If you need to patch some supervisord config (e.g. /etc/supervisor/conf.d/saslauth.conf ), the patching happens too late. An easy workaround is to make the user-patches.sh reload the supervisord config after patching it: #!/bin/bash sed -i 's/rimap -r/rimap/' /etc/supervisor/conf.d/saslauth.conf supervisorctl update","title":"FAQ"},{"location":"faq/#what-kind-of-database-are-you-using","text":"None! No database is required. Filesystem is the database. This image is based on config files that can be persisted using Docker volumes, and as such versioned, backed up and so forth.","title":"What kind of database are you using?"},{"location":"faq/#where-are-emails-stored","text":"Mails are stored in /var/mail/${domain}/${username} . Since v9.0.0 it is possible to add custom user_attributes for each accounts to have a different mailbox configuration (See #1792 ). Warning You should use a data volume container for /var/mail to persist data. Otherwise, your data may be lost.","title":"Where are emails stored?"},{"location":"faq/#how-to-alter-the-running-mailserver-instance-without-relaunching-the-container","text":"docker-mailserver aggregates multiple \"sub-services\", such as Postfix, Dovecot, Fail2ban, SpamAssassin, etc. In many cases, one may edit a sub-service's config and reload that very sub-service, without stopping and relaunching the whole mail server. In order to do so, you'll probably want to push your config updates to your server through a Docker volume, then restart the sub-service to apply your changes, using supervisorctl . For instance, after editing fail2ban's config: supervisorctl restart fail2ban . See supervisorctl's documentation . Tip To add, update or delete an email account; there is no need to restart postfix / dovecot service inside the container after using setup.sh script. For more information, see #1639 .","title":"How to alter the running mailserver instance without relaunching the container?"},{"location":"faq/#how-can-i-sync-container-with-host-datetime-timezone","text":"Share the host's /etc/localtime with the docker-mailserver container, using a Docker volume: volumes : - /etc/localtime:/etc/localtime:ro Optional Add one line to .env or env-mailserver to set timetzone for container, for example: TZ = Europe/Berlin Check here for the tz name list","title":"How can I sync container with host date/time? Timezone?"},{"location":"faq/#what-is-the-file-format","text":"All files are using the Unix format with LF line endings. Please do not use CRLF .","title":"What is the file format?"},{"location":"faq/#what-about-backups","text":"Assuming that you use docker-compose and a data volumes, you can backup your user mails like this: docker run --rm -ti \\ -v maildata:/var/mail \\ -v mailstate:/var/mail-state \\ -v /backup/mail:/backup \\ alpine:3.2 \\ tar czf \"/backup/mail- $( date +%y%m%d-%H%M%S ) .tgz\" /var/mail /var/mail-state find /backup/mail -type f -mtime +30 -exec rm -f {} \\;","title":"What about backups?"},{"location":"faq/#what-about-mail-state-folder","text":"This folder consolidates all data generated by the server itself to persist when you upgrade. Example of data folder persisted: lib-amavis, lib-clamav, lib-fail2ban, lib-postfix, lib-postgrey, lib-spamassasin, lib-spamassassin, spool-postfix, ...","title":"What about mail-state folder?"},{"location":"faq/#how-can-i-configure-my-email-client","text":"Login are full email address ( user@domain.com ). # imap username : <user1@domain.tld> password : <mypassword> server : <mail.domain.tld> imap port : 143 or 993 with ssl (recommended) imap path prefix : INBOX # smtp smtp port : 25 or 587 with ssl (recommended) username : <user1@domain.tld> password : <mypassword> Please use STARTTLS .","title":"How can I configure my email client?"},{"location":"faq/#how-can-i-manage-my-custom-spamassassin-rules","text":"Antispam rules are managed in config/spamassassin-rules.cf .","title":"How can I manage my custom SpamAssassin rules?"},{"location":"faq/#what-are-acceptable-sa_spam_subject-values","text":"For no subject set SA_SPAM_SUBJECT=undef . For a trailing white-space subject one can define the whole variable with quotes in docker-compose.yml : environment : - \"SA_SPAM_SUBJECT=[SPAM] \"","title":"What are acceptable SA_SPAM_SUBJECT values?"},{"location":"faq/#can-i-use-nakedbare-domains-no-host-name","text":"Yes, but not without some configuration changes. Normally it is assumed that docker-mailserver runs on a host with a name, so the fully qualified host name might be mail.example.com with the domain example.com . The MX records point to mail.example.com . To use a bare domain where the host name is example.com and the domain is also example.com , change mydestination : From: mydestination = $myhostname, localhost.$mydomain, localhost To: mydestination = localhost.$mydomain, localhost Add the latter line to config/postfix-main.cf . That should work. Without that change there will be warnings in the logs like: warning: do not list domain example.com in BOTH mydestination and virtual_mailbox_domains Plus of course mail delivery fails.","title":"Can I use naked/bare domains (no host name)?"},{"location":"faq/#why-are-spamassassin-x-headers-not-inserted-into-my-sampledomaincom-subdomain-emails","text":"In the default setup, amavis only applies SpamAssassin x-headers into domains matching the template listed in the config file ( 05-domain_id in the amavis defaults). The default setup @local_domains_acl = ( \".$mydomain\" ); does not match subdomains. To match subdomains, you can override the @local_domains_acl directive in the amavis user config file 50-user with @local_domains_maps = (\".\"); to match any sort of domain template.","title":"Why are SpamAssassin x-headers not inserted into my sample.domain.com subdomain emails?"},{"location":"faq/#how-can-i-make-spamassassin-better-recognize-spam","text":"Put received spams in .Junk/ imap folder using SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1 and add a user cron like the following: # This assumes you're having `environment: ONE_DIR=1` in the `mailserver.env`, # with a consolidated config in `/var/mail-state` # # m h dom mon dow command # Everyday 2:00AM, learn spam from a specific user 0 2 * * * docker exec mail sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin If you run the server with docker-compose , you can leverage on docker configs and the mailserver's own cron. This is less problematic than the simple solution shown above, because it decouples the learning from the host on which the mailserver is running and avoids errors if the server is not running. The following configuration works nicely: Example Create a system cron file: # in the docker-compose.yml root directory mkdir cron touch cron/sa-learn chown root:root cron/sa-learn chmod 0644 cron/sa-learn Edit the system cron file nano cron/sa-learn , and set an appropriate configuration: # This assumes you're having `environment: ONE_DIR=1` in the env-mailserver, # with a consolidated config in `/var/mail-state` # # m h dom mon dow user command # # Everyday 2:00AM, learn spam from a specific user # spam: junk directory 0 2 * * * root sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 2 * * * root sa-learn --ham /var/mail/domain.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 2 * * * root sa-learn --ham /var/mail/domain.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin # # Everyday 3:00AM, learn spam from all users of a domain # spam: junk directory 0 3 * * * root sa-learn --spam /var/mail/otherdomain.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin Then with plain docker-compose : services : mail : image : mailserver/docker-mailserver:latest volumes : - ./cron/sa-learn:/etc/cron.d/sa-learn Or with docker swarm : version : \"3.3\" services : mail : image : mailserver/docker-mailserver:latest # ... configs : - source : my_sa_crontab target : /etc/cron.d/sa-learn configs : my_sa_crontab : file : ./cron/sa-learn With the default settings, SpamAssassin will require 200 mails trained for spam (for example with the method explained above) and 200 mails trained for ham (using the same command as above but using --ham and providing it with some ham mails). Until you provided these 200+200 mails, SpamAssassin will not take the learned mails into account. For further reference, see the SpamAssassin Wiki .","title":"How can I make SpamAssassin better recognize spam?"},{"location":"faq/#how-can-i-configure-a-catch-all","text":"Considering you want to redirect all incoming e-mails for the domain domain.tld to user1@domain.tld , add the following line to config/postfix-virtual.cf : @domain.tld user1@domain.tld","title":"How can I configure a catch-all?"},{"location":"faq/#how-can-i-delete-all-the-emails-for-a-specific-user","text":"First of all, create a special alias named devnull by editing config/postfix-aliases.cf : devnull: /dev/null Considering you want to delete all the e-mails received for baduser@domain.tld , add the following line to config/postfix-virtual.cf : baduser@domain.tld devnull","title":"How can I delete all the emails for a specific user?"},{"location":"faq/#how-do-i-have-more-control-about-what-spamassasin-is-filtering","text":"By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior: First, make sure you have the proper thresholds set: SA_TAG = -100000.0 SA_TAG2 = 3.75 SA_KILL = 100000.0 The very negative vaue in SA_TAG makes sure, that all emails have the SpamAssassin headers included. SA_TAG2 is the actual threshold to set the YES/NO flag for spam detection. SA_KILL needs to be very high, to make sure nothing is bounced at all ( SA_KILL superseeds SPAMASSASSIN_SPAM_TO_INBOX ) Make sure everything (including SPAM) is delivered to the inbox and not quarantined: SPAMASSASSIN_SPAM_TO_INBOX = 1 Use MOVE_SPAM_TO_JUNK=1 or create a sieve script which puts spam to the Junk folder: require [ \"comparator-i;ascii-numeric\" , \"relational\" , \"fileinto\" ]; if header :contains \"X-Spam-Flag\" \"YES\" { fileinto \"Junk\" ; } elsif allof ( not header :matches \"x-spam-score\" \"-*\" , header :value \"ge\" :comparator \"i;ascii-numeric\" \"x-spam-score\" \"3.75\" ) { fileinto \"Junk\" ; } Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into config/amavis.cf $clean_quarantine_to = \"amavis\\@domain.com\"; $virus_quarantine_to = \"amavis\\@domain.com\"; $banned_quarantine_to = \"amavis\\@domain.com\"; $bad_header_quarantine_to = \"amavis\\@domain.com\"; $spam_quarantine_to = \"amavis\\@domain.com\";","title":"How do I have more control about what SPAMASSASIN is filtering?"},{"location":"faq/#what-kind-of-ssl-certificates-can-i-use","text":"You can use the same certificates you use with another mail server. The only thing is that we provide a self-signed certificate tool and a letsencrypt certificate loader.","title":"What kind of SSL certificates can I use?"},{"location":"faq/#i-just-moved-from-my-old-mail-server-but-it-doesnt-work","text":"If this migration implies a DNS modification, be sure to wait for DNS propagation before opening an issue. Few examples of symptoms can be found here or here . This could be related to a modification of your MX record, or the IP mapped to mail.my-domain.tld . Additionally, validate your DNS configuration . If everything is OK regarding DNS, please provide formatted logs and config files. This will allow us to help you. If we're blind, we won't be able to do anything.","title":"I just moved from my old mail server, but \"it doesn't work\"?"},{"location":"faq/#what-system-requirements-are-required-to-run-docker-mailserver-effectively","text":"1 core and 1GB of RAM + swap partition is recommended to run docker-mailserver with clamav. Otherwise, it could work with 512M of RAM. Warning Clamav can consume a lot of memory, as it reads the entire signature database into RAM. Current figure is about 850M and growing. If you get errors about clamav or amavis failing to allocate memory you need more RAM or more swap and of course docker must be allowed to use swap (not always the case). If you can't use swap at all you may need 3G RAM.","title":"What system requirements are required to run docker-mailserver effectively?"},{"location":"faq/#can-docker-mailserver-run-in-a-rancher-environment","text":"Yes, by adding the environment variable PERMIT_DOCKER: network . Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker .","title":"Can docker-mailserver run in a Rancher Environment?"},{"location":"faq/#how-can-i-authenticate-users-with-smtp_only","text":"See #1247 for an example. Todo Write a How-to / Use-Case / Tutorial about authentication with SMTP_ONLY .","title":"How can I Authenticate Users with SMTP_ONLY?"},{"location":"faq/#common-errors","text":"warning: connect to Milter service inet:localhost:8893: Connection refused # DMARC not running # = > /etc/init.d/opendmarc restart warning: connect to Milter service inet:localhost:8891: Connection refused # DKIM not running # = > /etc/init.d/opendkim restart mail amavis[1459]: (01459-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory mail amavis[1459]: (01459-01) (!)ClamAV-clamd: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2) mail amavis[1459]: (01459-01) (!)ClamAV-clamscan av-scanner FAILED: /usr/bin/clamscan KILLED, signal 9 (0009) at (eval 100) line 905. mail amavis[1459]: (01459-01) (!!)AV: ALL VIRUS SCANNERS FAILED # Clamav is not running ( not started or because you don ' t have enough memory ) # = > check requirements and/or start Clamav","title":"Common Errors"},{"location":"faq/#how-to-use-when-behind-a-proxy","text":"Add to /etc/postfix/main.cf : proxy_interfaces = X.X.X.X (your public IP)","title":"How to use when behind a Proxy"},{"location":"faq/#what-about-updates","text":"You can of course use a own script or every now and then pull && stop && rm && start the images but there are tools available for this. There is a section in the Update and Cleanup documentation page that explains how to use it the docker way.","title":"What About Updates"},{"location":"faq/#how-to-adjust-settings-with-the-user-patchessh-script","text":"Suppose you want to change a number of settings that are not listed as variables or add things to the server that are not included? This docker-container has a built-in way to do post-install processes. If you place a script called user-patches.sh in the config directory it will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. The config file I am talking about is this volume in the yml file: ./config/:/tmp/docker-mailserver/ To place such a script you can just make it in the config dir, for instance like this: cd ./config touch user-patches.sh chmod +x user-patches.sh Then fill user-patches.sh with suitable code. If you want to test it you can move into the running container, run it and see if it does what you want. For instance: # start shell in container ./setup.sh debug login # check the file cat /tmp/docker-mailserver/user-patches.sh # run the script /tmp/docker-mailserver/user-patches.sh # exit the container shell back to the host shell exit You can do a lot of things with such a script. You can find an example user-patches.sh script here: example user-patches.sh script","title":"How to adjust settings with the user-patches.sh script"},{"location":"faq/#special-use-case-patching-the-supervisord-config","text":"It seems worth noting, that the user-patches.sh gets executed trough supervisord. If you need to patch some supervisord config (e.g. /etc/supervisor/conf.d/saslauth.conf ), the patching happens too late. An easy workaround is to make the user-patches.sh reload the supervisord config after patching it: #!/bin/bash sed -i 's/rimap -r/rimap/' /etc/supervisor/conf.d/saslauth.conf supervisorctl update","title":"Special use-case - Patching the supervisord config"},{"location":"introduction/","text":"An Introduction to Mail Servers What is a mail server and how does it perform its duty? Here's an introduction to the field that covers everything you need to know to get started with docker-mailserver . Anatomy of a Mail Server A mail server is only a part of a client-server relationship aimed at exchanging information in the form of emails . Exchanging emails requires using specific means (programs and protocols). docker-mailserver provides you with the server portion, whereas the client can be anything from a terminal via text-based software (eg. Mutt ) to a fully-fledged desktop application (eg. Mozilla Thunderbird , Microsoft Outlook \u2026), to a web interface, etc. Unlike the client-side where usually a single program is used to perform retrieval and viewing of emails, the server-side is composed of many specialized components. The mail server is capable of accepting, forwarding, delivering, storing and overall exchanging messages, but each one of those tasks is actually handled by a specific piece of software. All of these \"agents\" must be integrated with one another for the exchange to take place. docker-mailserver has made informed choices about those components and their (default) configuration. It offers a comprehensive platform to run a fully featured mail server in no time! Components The following components are required to create a complete delivery chain : MUA: a Mail User Agent is basically any client/program capable of sending emails to arbitrary mail servers; while also capable of fetching emails from mail servers for presenting them to the end users. MTA: a Mail Transfer Agent is the so-called \"mail server\" as seen from the MUA's perspective. It's a piece of software dedicated to accepting submitted emails, then forwarding them-where exactly will depend on an email's final destination. If the receiving MTA is responsible for the hostname the email is sent to, then an MTA is to forward that email to an MDA (see below). Otherwise, it is to transfer (ie. forward, relay) to another MTA, \"closer\" to the email's final destination. MDA: a Mail Delivery Agent is responsible for accepting emails from an MTA and dropping them into their recipients' mailboxes, whichever the form. Here's a schematic view of mail delivery: Sending an email: MUA ----> MTA ----> (MTA relays) ----> MDA Fetching an email: MUA <--------------------------------- MDA There may be other moving parts or sub-divisions (for instance, at several points along the chain, specialized programs may be analyzing, filtering, bouncing, editing\u2026 the exchanged emails). In a nutshell, docker-mailserver provides you with the following components: A MTA: Postfix A MDA: Dovecot A bunch of additional programs to improve security and emails processing Here's where docker-mailserver 's toochain fits within the delivery chain: docker-mailserver is here: \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 Sending an email: MUA ---> MTA ---> (MTA relays) ---> \u252b MTA \u256e \u2503 Fetching an email: MUA <------------------------------ \u252b MDA \u256f \u2503 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Example Let's say Alice owns a Gmail account, alice@gmail.com ; and Bob owns an account on a docker-mailserver 's instance, bob@dms.io . Make sure not to conflate these two very different scenarios: A) Alice sends an email to bob@dms.io => the email is first submitted to MTA smtp.gmail.com , then relayed to MTA smtp.dms.io where it is then delivered into Bob's mailbox. B) Bob sends an email to alice@gmail.com => the email is first submitted to MTA smtp.dms.io , then relayed to MTA smtp.gmail.com and eventually delivered into Alice's mailbox. In scenario A the email leaves Gmail's premises, that email's initial submission is not handled by your docker-mailserver instance(MTA); it merely receives the email after it has been relayed by Gmail's MTA. In scenario B , the docker-mailserver instance(MTA) handles the submission, prior to relaying. The main takeaway is that when a third-party sends an email to a docker-mailserver instance(MTA) (or any MTA for that matter), it does not establish a direct connection with that MTA. Email submission first goes through the sender's MTA, then some relaying between at least two MTAs is required to deliver the email. That will prove very important when it comes to security management. One important thing to note is that MTA and MDA programs may actually handle multiple tasks (which is the case with docker-mailserver 's Postfix and Dovecot). For instance, Postfix is both an SMTP server (accepting emails) and a relaying MTA (transferring, ie. sending emails to other MTA/MDA); Dovecot is both an MDA (delivering emails in mailboxes) and an IMAP server (allowing MUAs to fetch emails from the mail server ). On top of that, Postfix may rely on Dovecot's authentication capabilities. The exact relationship between all the components and their respective (sometimes shared) responsibilities is beyond the scope of this document. Please explore this wiki & the web to get more insights about docker-mailserver 's toolchain. About Security & Ports In the previous section, different components were outlined. Each one of those is responsible for a specific task, it has a specific purpose. Three main purposes exist when it comes to exchanging emails: Submission : for a MUA (client), the act of sending actual email data over the network, toward an MTA (server). Transfer (aka. Relay ): for an MTA, the act of sending actual email data over the network, toward another MTA (server) closer to the final destination (where an MTA will forward data to an MDA). Retrieval : for a MUA (client), the act of fetching actual email data over the network, from an MDA. Postfix handles Submission (and might handle Relay), whereas Dovecot handles Retrieval. They both need to be accessible by MUAs in order to act as servers, therefore they expose public endpoints on specific TCP ports (see. Understanding the ports for more details). Those endpoints may be secured, using an encryption scheme and TLS certificates. When it comes to the specifics of email exchange, we have to look at protocols and ports enabled to support all the identified purposes. There are several valid options and they've been evolving overtime. Here's docker-mailserver 's default configuration: Purpose Protocol TCP port / encryption Transfer/Relay SMTP 25 (unencrypted) Submission ESMTP 587 (encrypted using STARTTLS) Retrieval IMAP4 143 (encrypted using STARTTLS) + 993 (TLS) Retrieval POP3 Not activated \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Transfer/Relay \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 MUA ----- STARTTLS ---> \u2524(587) MTA \u256e (25)\u251c <-- cleartext ---> \u250a Third-party MTA \u250a ---- cleartext ---> \u2524(25) \u2502 | \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 |\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504| MUA <---- STARTTLS ---- \u2524(143) MDA \u256f | <-- enforced TLS -- \u2524(993) | \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Retrieval \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b If you're new to email infrastructure, both that table and the schema may be confusing. Read on to expand your understanding and learn about docker-mailserver 's configuration, including how you can customize it. Submission - SMTP For a MUA to send an email to an MTA, it needs to establish a connection with that server, then push data packets over a network that both the MUA (client) and the MTA (server) are connected to. The server implements the SMTP protocol, which makes it capable of handling Submission . In the case of docker-mailserver , the MTA (SMTP server) is Postfix. The MUA (client) may vary, yet its Submission request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Two kinds of Submission Let's say I own an account on a docker-mailserver instance, me@dms.io . There are two very different use-cases for Submission: I want to send an email to someone Someone wants to send you an email In the first scenario, I will be submitting my email directly to my docker-mailserver instance/MTA (Postfix), which will then relay the email to its recipient's MTA for final delivery. In this case, Submission is first handled by establishing a direct connection to my own MTA-so at least for this portion of the delivery chain, I'll be able to ensure security/confidentiality. Not so much for what comes next, ie. relaying between MTAs and final delivery. In the second scenario, a third-party email account owner will be first submitting an email to some third-party MTA. I have no control over this initial portion of the delivery chain, nor do I have control over the relaying that comes next. My MTA will merely accept a relayed email coming \"out of the blue\". My MTA will thus have to support two kinds of Submission: Outward Submission (self-owned email is submitted directly to the MTA, then is relayed \"outside\") Inward Submission (third-party email has been submitted & relayed, then is accepted \"inside\" by the MTA) \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me ---------------> \u2524 \u251c -----------------> \u250a \u250a \u2502 My MTA \u2502 \u250a Third-party MTA \u250a \u2502 \u251c <----------------- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Outward Submission The best practice as of 2020 when it comes to securing Outward Submission is to use Implicit TLS connection via ESMTP on port 465 (see RFC 8314 ). Let's break it down. Implicit TLS means the server enforces the client into using an encrypted TCP connection, using TLS . With this kind of connection, the MUA has to establish a TLS-encrypted connection from the get go (TLS is implied, hence the name \"Implicit\"). Any client attempting to either submit email in cleartext (unencrypted, not secure), or requesting a cleartext connection to be upgraded to a TLS-encrypted one using STARTTLS , is to be denied. Implicit TLS is sometimes called Enforced TLS for that reason. ESMTP is SMTP + extensions. It's the version of the SMTP protocol that most mail servers speak nowadays. For the purpose of this documentation, ESMTP and SMTP are synonymous. Port 465 is the reserved TCP port for Implicit TLS Submission (since 2018). There is actually a boisterous history to that ports usage, but let's keep it simple. Warning This Submission setup is sometimes refered to as SMTPS . Long story short: this is incorrect and should be avoided. Although a very satisfactory setup, Implicit TLS on port 465 is somewhat \"cutting edge\". There exists another well established mail Submission setup that must be supported as well, SMTP+STARTTLS on port 587. It uses Explicit TLS: the client starts with a cleartext connection, then the server informs a TLS-encrypted \"upgraded\" connection may be established, and the client may eventually decide to establish it prior to the Submission. Basically it's an opportunistic, opt-in TLS upgrade of the connection between the client and the server, at the client's discretion, using a mechanism known as STARTTLS that both ends need to implement. In many implementations, the mail server doesn't enforce TLS encryption, for backwards compatibility. Clients are thus free to deny the TLS-upgrade proposal (or misled by a hacker about STARTTLS not being available), and the server accepts unencrypted (cleartext) mail exchange, which poses a confidentiality threat and, to some extent, spam issues. RFC 8314 (section 3.3) recommends for mail servers to support both Implicit and Explicit TLS for Submission, and to enforce TLS-encryption on ports 587 (Explicit TLS) and 465 (Implicit TLS). That's exactly docker-mailserver 's default configuration: abiding by RFC 8314, it enforces a strict ( encrypt ) STARTTLS policy , where a denied TLS upgrade terminates the connection thus (hopefully but at the client's discretion) preventing unencrypted (cleartext) Submission. docker-mailserver 's default configuration enables and requires Explicit TLS (STARTTLS) on port 587 for Outward Submission. It does not enable Implicit TLS Outward Submission on port 465 by default. One may enable it through simple custom configuration, either as a replacement or (better!) supplementary mean of secure Submission. It does not support old MUAs (clients) not supporting TLS encryption on ports 587/465 (those should perform Submission on port 25, more details below). One may relax that constraint through advanced custom configuration, for backwards compatibility. A final Outward Submission setup exists and is akin SMTP+STARTTLS on port 587, but on port 25. That port has historically been reserved specifically for unencrypted (cleartext) mail exchange though, making STARTTLS a bit wrong to use. As is expected by RFC 5321 , docker-mailserver uses port 25 for unencrypted Submission in order to support older clients, but most importantly for unencrypted Transfer/Relay between MTAs. docker-mailserver 's default configuration also enables unencrypted (cleartext) on port 25 for Outward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Outward Submission. One may also secure Outward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Inward Submission Granted it's still very difficult enforcing encryption between MTAs (Transfer/Relay) without risking dropping emails (when relayed by MTAs not supporting TLS-encryption), Inward Submission is to be handled in cleartext on port 25 by default. docker-mailserver 's default configuration enables unencrypted (cleartext) on port 25 for Inward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Inward Submission. One may also secure Inward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Overall, docker-mailserver 's default configuration for SMTP looks like this: \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me -- cleartext --> \u2524(25) (25)\u251c --- cleartext ---> \u250a \u250a Me -- STARTTLS ---> \u2524(587) My MTA \u2502 \u250a Third-party MTA \u250a \u2502 (25)\u251c <---cleartext ---- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Retrieval - IMAP A MUA willing to fetch an email from a mail server will most likely communicate with its IMAP server. As with SMTP described earlier, communication will take place in the form of data packets exchanged over a network that both the client and the server are connected to. The IMAP protocol makes the server capable of handling Retrieval . In the case of docker-mailserver , the IMAP server is Dovecot. The MUA (client) may vary, yet its Retrieval request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Again, as with SMTP described earlier, the IMAP protocol may be secured with either Implicit TLS (aka. IMAPS / IMAP4S) or Explicit TLS (using STARTTLS). The best practice as of 2020 is to enforce IMAPS on port 993, rather than IMAP+STARTTLS on port 143 (see RFC 8314 ); yet the latter is usually provided for backwards compatibility. docker-mailserver 's default configuration enables both Implicit and Explicit TLS for Retrievial, on ports 993 and 143 respectively. Retrieval - POP3 Similarly to IMAP, the older POP3 protocol may be secured with either Implicit or Explicit TLS. The best practice as of 2020 would be POP3S on port 995, rather than POP3 +STARTTLS on port 110 (see RFC 8314 ). docker-mailserver 's default configuration disables POP3 altogether. One should expect MUAs to use TLS-encrypted IMAP for Retrieval. How does docker-mailserver help with setting everything up? As a batteries included Docker image, docker-mailserver provides you with all the required components and a default configuration, to run a decent and secure mail server. One may then customize all aspects of its internal components. Simple customization is supported through docker-compose configuration and the env-mailserver configuration file. Advanced customization is supported through providing \"monkey-patching\" configuration files and/or deriving your own image from docker-mailserver 's upstream, for a complete control over how things run. On the subject of security, one might consider docker-mailserver 's default configuration to not be 100% secure: it enables unencrypted traffic on port 25 it enables Explicit TLS (STARTTLS) on port 587, instead of Implicit TLS on port 465 We believe docker-mailserver 's default configuration to be a good middle ground: it goes slightly beyond \"old\" (1999) RFC 2487 ; and with developer friendly configuration settings, it makes it pretty easy to abide by the \"newest\" (2018) RFC 8314 . Eventually, it is up to you deciding exactly what kind of transportation/encryption to use and/or enforce, and to customize your instance accordingly (with looser or stricter security). Be also aware that protocols and ports on your server can only go so far with security; third-party MTAs might relay your emails on insecure connections, man-in-the-middle attacks might still prove effective, etc. Advanced counter-measure such as DANE, MTA-STS and/or full body encryption (eg. PGP) should be considered as well for increased confidentiality, but ideally without compromising backwards compatibility so as to not block emails. The README is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.","title":"Introduction"},{"location":"introduction/#an-introduction-to-mail-servers","text":"What is a mail server and how does it perform its duty? Here's an introduction to the field that covers everything you need to know to get started with docker-mailserver .","title":"An Introduction to Mail Servers"},{"location":"introduction/#anatomy-of-a-mail-server","text":"A mail server is only a part of a client-server relationship aimed at exchanging information in the form of emails . Exchanging emails requires using specific means (programs and protocols). docker-mailserver provides you with the server portion, whereas the client can be anything from a terminal via text-based software (eg. Mutt ) to a fully-fledged desktop application (eg. Mozilla Thunderbird , Microsoft Outlook \u2026), to a web interface, etc. Unlike the client-side where usually a single program is used to perform retrieval and viewing of emails, the server-side is composed of many specialized components. The mail server is capable of accepting, forwarding, delivering, storing and overall exchanging messages, but each one of those tasks is actually handled by a specific piece of software. All of these \"agents\" must be integrated with one another for the exchange to take place. docker-mailserver has made informed choices about those components and their (default) configuration. It offers a comprehensive platform to run a fully featured mail server in no time!","title":"Anatomy of a Mail Server"},{"location":"introduction/#components","text":"The following components are required to create a complete delivery chain : MUA: a Mail User Agent is basically any client/program capable of sending emails to arbitrary mail servers; while also capable of fetching emails from mail servers for presenting them to the end users. MTA: a Mail Transfer Agent is the so-called \"mail server\" as seen from the MUA's perspective. It's a piece of software dedicated to accepting submitted emails, then forwarding them-where exactly will depend on an email's final destination. If the receiving MTA is responsible for the hostname the email is sent to, then an MTA is to forward that email to an MDA (see below). Otherwise, it is to transfer (ie. forward, relay) to another MTA, \"closer\" to the email's final destination. MDA: a Mail Delivery Agent is responsible for accepting emails from an MTA and dropping them into their recipients' mailboxes, whichever the form. Here's a schematic view of mail delivery: Sending an email: MUA ----> MTA ----> (MTA relays) ----> MDA Fetching an email: MUA <--------------------------------- MDA There may be other moving parts or sub-divisions (for instance, at several points along the chain, specialized programs may be analyzing, filtering, bouncing, editing\u2026 the exchanged emails). In a nutshell, docker-mailserver provides you with the following components: A MTA: Postfix A MDA: Dovecot A bunch of additional programs to improve security and emails processing Here's where docker-mailserver 's toochain fits within the delivery chain: docker-mailserver is here: \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 Sending an email: MUA ---> MTA ---> (MTA relays) ---> \u252b MTA \u256e \u2503 Fetching an email: MUA <------------------------------ \u252b MDA \u256f \u2503 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Example Let's say Alice owns a Gmail account, alice@gmail.com ; and Bob owns an account on a docker-mailserver 's instance, bob@dms.io . Make sure not to conflate these two very different scenarios: A) Alice sends an email to bob@dms.io => the email is first submitted to MTA smtp.gmail.com , then relayed to MTA smtp.dms.io where it is then delivered into Bob's mailbox. B) Bob sends an email to alice@gmail.com => the email is first submitted to MTA smtp.dms.io , then relayed to MTA smtp.gmail.com and eventually delivered into Alice's mailbox. In scenario A the email leaves Gmail's premises, that email's initial submission is not handled by your docker-mailserver instance(MTA); it merely receives the email after it has been relayed by Gmail's MTA. In scenario B , the docker-mailserver instance(MTA) handles the submission, prior to relaying. The main takeaway is that when a third-party sends an email to a docker-mailserver instance(MTA) (or any MTA for that matter), it does not establish a direct connection with that MTA. Email submission first goes through the sender's MTA, then some relaying between at least two MTAs is required to deliver the email. That will prove very important when it comes to security management. One important thing to note is that MTA and MDA programs may actually handle multiple tasks (which is the case with docker-mailserver 's Postfix and Dovecot). For instance, Postfix is both an SMTP server (accepting emails) and a relaying MTA (transferring, ie. sending emails to other MTA/MDA); Dovecot is both an MDA (delivering emails in mailboxes) and an IMAP server (allowing MUAs to fetch emails from the mail server ). On top of that, Postfix may rely on Dovecot's authentication capabilities. The exact relationship between all the components and their respective (sometimes shared) responsibilities is beyond the scope of this document. Please explore this wiki & the web to get more insights about docker-mailserver 's toolchain.","title":"Components"},{"location":"introduction/#about-security-ports","text":"In the previous section, different components were outlined. Each one of those is responsible for a specific task, it has a specific purpose. Three main purposes exist when it comes to exchanging emails: Submission : for a MUA (client), the act of sending actual email data over the network, toward an MTA (server). Transfer (aka. Relay ): for an MTA, the act of sending actual email data over the network, toward another MTA (server) closer to the final destination (where an MTA will forward data to an MDA). Retrieval : for a MUA (client), the act of fetching actual email data over the network, from an MDA. Postfix handles Submission (and might handle Relay), whereas Dovecot handles Retrieval. They both need to be accessible by MUAs in order to act as servers, therefore they expose public endpoints on specific TCP ports (see. Understanding the ports for more details). Those endpoints may be secured, using an encryption scheme and TLS certificates. When it comes to the specifics of email exchange, we have to look at protocols and ports enabled to support all the identified purposes. There are several valid options and they've been evolving overtime. Here's docker-mailserver 's default configuration: Purpose Protocol TCP port / encryption Transfer/Relay SMTP 25 (unencrypted) Submission ESMTP 587 (encrypted using STARTTLS) Retrieval IMAP4 143 (encrypted using STARTTLS) + 993 (TLS) Retrieval POP3 Not activated \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Transfer/Relay \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 MUA ----- STARTTLS ---> \u2524(587) MTA \u256e (25)\u251c <-- cleartext ---> \u250a Third-party MTA \u250a ---- cleartext ---> \u2524(25) \u2502 | \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 |\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504| MUA <---- STARTTLS ---- \u2524(143) MDA \u256f | <-- enforced TLS -- \u2524(993) | \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Retrieval \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b If you're new to email infrastructure, both that table and the schema may be confusing. Read on to expand your understanding and learn about docker-mailserver 's configuration, including how you can customize it.","title":"About Security &amp; Ports"},{"location":"introduction/#submission-smtp","text":"For a MUA to send an email to an MTA, it needs to establish a connection with that server, then push data packets over a network that both the MUA (client) and the MTA (server) are connected to. The server implements the SMTP protocol, which makes it capable of handling Submission . In the case of docker-mailserver , the MTA (SMTP server) is Postfix. The MUA (client) may vary, yet its Submission request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping.","title":"Submission - SMTP"},{"location":"introduction/#two-kinds-of-submission","text":"Let's say I own an account on a docker-mailserver instance, me@dms.io . There are two very different use-cases for Submission: I want to send an email to someone Someone wants to send you an email In the first scenario, I will be submitting my email directly to my docker-mailserver instance/MTA (Postfix), which will then relay the email to its recipient's MTA for final delivery. In this case, Submission is first handled by establishing a direct connection to my own MTA-so at least for this portion of the delivery chain, I'll be able to ensure security/confidentiality. Not so much for what comes next, ie. relaying between MTAs and final delivery. In the second scenario, a third-party email account owner will be first submitting an email to some third-party MTA. I have no control over this initial portion of the delivery chain, nor do I have control over the relaying that comes next. My MTA will merely accept a relayed email coming \"out of the blue\". My MTA will thus have to support two kinds of Submission: Outward Submission (self-owned email is submitted directly to the MTA, then is relayed \"outside\") Inward Submission (third-party email has been submitted & relayed, then is accepted \"inside\" by the MTA) \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me ---------------> \u2524 \u251c -----------------> \u250a \u250a \u2502 My MTA \u2502 \u250a Third-party MTA \u250a \u2502 \u251c <----------------- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b","title":"Two kinds of Submission"},{"location":"introduction/#outward-submission","text":"The best practice as of 2020 when it comes to securing Outward Submission is to use Implicit TLS connection via ESMTP on port 465 (see RFC 8314 ). Let's break it down. Implicit TLS means the server enforces the client into using an encrypted TCP connection, using TLS . With this kind of connection, the MUA has to establish a TLS-encrypted connection from the get go (TLS is implied, hence the name \"Implicit\"). Any client attempting to either submit email in cleartext (unencrypted, not secure), or requesting a cleartext connection to be upgraded to a TLS-encrypted one using STARTTLS , is to be denied. Implicit TLS is sometimes called Enforced TLS for that reason. ESMTP is SMTP + extensions. It's the version of the SMTP protocol that most mail servers speak nowadays. For the purpose of this documentation, ESMTP and SMTP are synonymous. Port 465 is the reserved TCP port for Implicit TLS Submission (since 2018). There is actually a boisterous history to that ports usage, but let's keep it simple. Warning This Submission setup is sometimes refered to as SMTPS . Long story short: this is incorrect and should be avoided. Although a very satisfactory setup, Implicit TLS on port 465 is somewhat \"cutting edge\". There exists another well established mail Submission setup that must be supported as well, SMTP+STARTTLS on port 587. It uses Explicit TLS: the client starts with a cleartext connection, then the server informs a TLS-encrypted \"upgraded\" connection may be established, and the client may eventually decide to establish it prior to the Submission. Basically it's an opportunistic, opt-in TLS upgrade of the connection between the client and the server, at the client's discretion, using a mechanism known as STARTTLS that both ends need to implement. In many implementations, the mail server doesn't enforce TLS encryption, for backwards compatibility. Clients are thus free to deny the TLS-upgrade proposal (or misled by a hacker about STARTTLS not being available), and the server accepts unencrypted (cleartext) mail exchange, which poses a confidentiality threat and, to some extent, spam issues. RFC 8314 (section 3.3) recommends for mail servers to support both Implicit and Explicit TLS for Submission, and to enforce TLS-encryption on ports 587 (Explicit TLS) and 465 (Implicit TLS). That's exactly docker-mailserver 's default configuration: abiding by RFC 8314, it enforces a strict ( encrypt ) STARTTLS policy , where a denied TLS upgrade terminates the connection thus (hopefully but at the client's discretion) preventing unencrypted (cleartext) Submission. docker-mailserver 's default configuration enables and requires Explicit TLS (STARTTLS) on port 587 for Outward Submission. It does not enable Implicit TLS Outward Submission on port 465 by default. One may enable it through simple custom configuration, either as a replacement or (better!) supplementary mean of secure Submission. It does not support old MUAs (clients) not supporting TLS encryption on ports 587/465 (those should perform Submission on port 25, more details below). One may relax that constraint through advanced custom configuration, for backwards compatibility. A final Outward Submission setup exists and is akin SMTP+STARTTLS on port 587, but on port 25. That port has historically been reserved specifically for unencrypted (cleartext) mail exchange though, making STARTTLS a bit wrong to use. As is expected by RFC 5321 , docker-mailserver uses port 25 for unencrypted Submission in order to support older clients, but most importantly for unencrypted Transfer/Relay between MTAs. docker-mailserver 's default configuration also enables unencrypted (cleartext) on port 25 for Outward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Outward Submission. One may also secure Outward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS.","title":"Outward Submission"},{"location":"introduction/#inward-submission","text":"Granted it's still very difficult enforcing encryption between MTAs (Transfer/Relay) without risking dropping emails (when relayed by MTAs not supporting TLS-encryption), Inward Submission is to be handled in cleartext on port 25 by default. docker-mailserver 's default configuration enables unencrypted (cleartext) on port 25 for Inward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Inward Submission. One may also secure Inward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Overall, docker-mailserver 's default configuration for SMTP looks like this: \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me -- cleartext --> \u2524(25) (25)\u251c --- cleartext ---> \u250a \u250a Me -- STARTTLS ---> \u2524(587) My MTA \u2502 \u250a Third-party MTA \u250a \u2502 (25)\u251c <---cleartext ---- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b","title":"Inward Submission"},{"location":"introduction/#retrieval-imap","text":"A MUA willing to fetch an email from a mail server will most likely communicate with its IMAP server. As with SMTP described earlier, communication will take place in the form of data packets exchanged over a network that both the client and the server are connected to. The IMAP protocol makes the server capable of handling Retrieval . In the case of docker-mailserver , the IMAP server is Dovecot. The MUA (client) may vary, yet its Retrieval request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Again, as with SMTP described earlier, the IMAP protocol may be secured with either Implicit TLS (aka. IMAPS / IMAP4S) or Explicit TLS (using STARTTLS). The best practice as of 2020 is to enforce IMAPS on port 993, rather than IMAP+STARTTLS on port 143 (see RFC 8314 ); yet the latter is usually provided for backwards compatibility. docker-mailserver 's default configuration enables both Implicit and Explicit TLS for Retrievial, on ports 993 and 143 respectively.","title":"Retrieval - IMAP"},{"location":"introduction/#retrieval-pop3","text":"Similarly to IMAP, the older POP3 protocol may be secured with either Implicit or Explicit TLS. The best practice as of 2020 would be POP3S on port 995, rather than POP3 +STARTTLS on port 110 (see RFC 8314 ). docker-mailserver 's default configuration disables POP3 altogether. One should expect MUAs to use TLS-encrypted IMAP for Retrieval.","title":"Retrieval - POP3"},{"location":"introduction/#how-does-docker-mailserver-help-with-setting-everything-up","text":"As a batteries included Docker image, docker-mailserver provides you with all the required components and a default configuration, to run a decent and secure mail server. One may then customize all aspects of its internal components. Simple customization is supported through docker-compose configuration and the env-mailserver configuration file. Advanced customization is supported through providing \"monkey-patching\" configuration files and/or deriving your own image from docker-mailserver 's upstream, for a complete control over how things run. On the subject of security, one might consider docker-mailserver 's default configuration to not be 100% secure: it enables unencrypted traffic on port 25 it enables Explicit TLS (STARTTLS) on port 587, instead of Implicit TLS on port 465 We believe docker-mailserver 's default configuration to be a good middle ground: it goes slightly beyond \"old\" (1999) RFC 2487 ; and with developer friendly configuration settings, it makes it pretty easy to abide by the \"newest\" (2018) RFC 8314 . Eventually, it is up to you deciding exactly what kind of transportation/encryption to use and/or enforce, and to customize your instance accordingly (with looser or stricter security). Be also aware that protocols and ports on your server can only go so far with security; third-party MTAs might relay your emails on insecure connections, man-in-the-middle attacks might still prove effective, etc. Advanced counter-measure such as DANE, MTA-STS and/or full body encryption (eg. PGP) should be considered as well for increased confidentiality, but ideally without compromising backwards compatibility so as to not block emails. The README is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.","title":"How does docker-mailserver help with setting everything up?"},{"location":"config/pop3/","text":"Warning We do not recommend using POP3. Use IMAP instead. If you really want to have POP3 running add the ports 110 and 995 and the environment variable ENABLE_POP3 to your docker-compose.yml : mail : ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" - \"110:110\" - \"995:995\" environment : - ENABLE_POP3=1","title":"Mail Delivery with POP3"},{"location":"config/setup.sh/","text":"setup.sh is an administration script that helps with the most common tasks, including initial configuration. It is intented to be used from the host machine, not from within your running container. The latest version of the script is included in the docker-mailserver repository. You may retrieve it at any time by running this command in your console: wget https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Info Make sure to get the setup.sh that comes with the release you're using. Look up the release and the git commit on which this release is based upon by selecting the appropriate tag on GitHub. This can done with the \"Switch branches/tags\" button on GitHub, choosing the right tag. This is done in order to rule out possible inconsistencies between versions. Usage Run ./setup.sh help and you'll get some usage information: setup.sh Bootstrapping Script Usage: ./setup.sh [ -i IMAGE_NAME ] [ -c CONTAINER_NAME ] <subcommand> <subcommand> [ args ] OPTIONS: -i IMAGE_NAME The name of the docker-mailserver image The default value is 'docker.io/mailserver/docker-mailserver:latest' -c CONTAINER_NAME The name of the running container. -p PATH Config folder path ( default: /home/georg/github/docker-mailserver/config ) -h Show this help dialogue -z Allow container access to the bind mount content that is shared among multiple containers on a SELinux-enabled host. -Z Allow container access to the bind mount content that is private and unshared with other containers on a SELinux-enabled host. SUBCOMMANDS: email: ./setup.sh email add <email> [ <password> ] ./setup.sh email update <email> [ <password> ] ./setup.sh email del <email> ./setup.sh email restrict <add | del | list> <send | receive> [ <email> ] ./setup.sh email list alias: ./setup.sh alias add <email> <recipient> ./setup.sh alias del <email> <recipient> ./setup.sh alias list quota: ./setup.sh quota set <email> [ <quota> ] ./setup.sh quota del <email> config: ./setup.sh config dkim <keysize> ( default: 4096 ) <domain.tld> ( optional - for LDAP setups ) ./setup.sh config ssl <fqdn> relay: ./setup.sh relay add-domain <domain> <host> [ <port> ] ./setup.sh relay add-auth <domain> <username> [ <password> ] ./setup.sh relay exclude-domain <domain> debug: ./setup.sh debug fetchmail ./setup.sh debug fail2ban [ <unban> <ip-address> ] ./setup.sh debug show-mail-logs ./setup.sh debug inspect ./setup.sh debug login <commands> help: Show this help dialogue","title":"Your Best Friend setup.sh"},{"location":"config/setup.sh/#usage","text":"Run ./setup.sh help and you'll get some usage information: setup.sh Bootstrapping Script Usage: ./setup.sh [ -i IMAGE_NAME ] [ -c CONTAINER_NAME ] <subcommand> <subcommand> [ args ] OPTIONS: -i IMAGE_NAME The name of the docker-mailserver image The default value is 'docker.io/mailserver/docker-mailserver:latest' -c CONTAINER_NAME The name of the running container. -p PATH Config folder path ( default: /home/georg/github/docker-mailserver/config ) -h Show this help dialogue -z Allow container access to the bind mount content that is shared among multiple containers on a SELinux-enabled host. -Z Allow container access to the bind mount content that is private and unshared with other containers on a SELinux-enabled host. SUBCOMMANDS: email: ./setup.sh email add <email> [ <password> ] ./setup.sh email update <email> [ <password> ] ./setup.sh email del <email> ./setup.sh email restrict <add | del | list> <send | receive> [ <email> ] ./setup.sh email list alias: ./setup.sh alias add <email> <recipient> ./setup.sh alias del <email> <recipient> ./setup.sh alias list quota: ./setup.sh quota set <email> [ <quota> ] ./setup.sh quota del <email> config: ./setup.sh config dkim <keysize> ( default: 4096 ) <domain.tld> ( optional - for LDAP setups ) ./setup.sh config ssl <fqdn> relay: ./setup.sh relay add-domain <domain> <host> [ <port> ] ./setup.sh relay add-auth <domain> <username> [ <password> ] ./setup.sh relay exclude-domain <domain> debug: ./setup.sh debug fetchmail ./setup.sh debug fail2ban [ <unban> <ip-address> ] ./setup.sh debug show-mail-logs ./setup.sh debug inspect ./setup.sh debug login <commands> help: Show this help dialogue","title":"Usage"},{"location":"config/advanced/auth-ldap/","text":"Introduction Getting started with ldap and this mailserver we need to take 3 parts in account: postfix dovecot saslauthd (this can also be handled by dovecot) Variables to Control Provisioning by the Container Have a look at the ENVIRONMENT.md for information on the default values. postfix LDAP_QUERY_FILTER_USER LDAP_QUERY_FILTER_GROUP LDAP_QUERY_FILTER_ALIAS LDAP_QUERY_FILTER_DOMAIN saslauthd SASLAUTHD_LDAP_FILTER dovecot DOVECOT_USER_FILTER DOVECOT_PASS_FILTER LDAP Setup - Kopano / Zarafa Example Code --- version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : domain.com container_name : mail ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ environment : # We are not using dovecot here - SMTP_ONLY=1 - ENABLE_SPAMASSASSIN=1 - ENABLE_CLAMAV=1 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=1 - SASLAUTHD_PASSWD= # >>> SASL Authentication - ENABLE_SASLAUTHD=1 - SASLAUTHD_LDAP_SERVER=<yourLdapContainer/yourLdapServer> - SASLAUTHD_LDAP_PROTO= - SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - SASLAUTHD_LDAP_PASSWORD=mypassword - SASLAUTHD_LDAP_SEARCH_BASE=dc=mydomain,dc=loc - SASLAUTHD_LDAP_FILTER=(&(sAMAccountName=%U)(objectClass=person)) - SASLAUTHD_MECHANISMS=ldap # <<< SASL Authentication # >>> Postfix Ldap Integration - ENABLE_LDAP=1 - LDAP_SERVER_HOST=<yourLdapContainer/yourLdapServer> - LDAP_SEARCH_BASE=dc=mydomain,dc=loc - LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - LDAP_BIND_PW=mypassword - LDAP_QUERY_FILTER_USER=(&(objectClass=user)(mail=%s)) - LDAP_QUERY_FILTER_GROUP=(&(objectclass=group)(mail=%s)) - LDAP_QUERY_FILTER_ALIAS=(&(objectClass=user)(otherMailbox=%s)) - LDAP_QUERY_FILTER_DOMAIN=(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE)) # <<< Postfix Ldap Integration # >>> Kopano Integration - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 - POSTFIX_DAGENT=lmtp:kopano:2003 # <<< Kopano Integration - ONE_DIR=1 - DMS_DEBUG=0 - SSL_TYPE=letsencrypt - PERMIT_DOCKER=host cap_add : - NET_ADMIN volumes : maildata : driver : local mailstate : driver : local If your directory has not the postfix-book schema installed, then you must change the internal attribute handling for dovecot. For this you have to change the pass_attr and the user_attr mapping, as shown in the example below: - DOVECOT_PASS_ATTR=<YOUR_USER_IDENTIFYER_ATTRIBUTE>=user,<YOUR_USER_PASSWORD_ATTRIBUTE>=password - DOVECOT_USER_ATTR=<YOUR_USER_HOME_DIRECTORY_ATTRIBUTE>=home,<YOUR_USER_MAILSTORE_ATTRIBUTE>=mail,<YOUR_USER_MAIL_UID_ATTRIBUTE>=uid, <YOUR_USER_MAIL_GID_ATTRIBUTE>=gid The following example illustrates this for a directory that has the qmail-schema installed and that uses uid : - DOVECOT_PASS_ATTRS=uid=user,userPassword=password - DOVECOT_USER_ATTRS=homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail - DOVECOT_PASS_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active)) - DOVECOT_USER_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))","title":"LDAP Authentication"},{"location":"config/advanced/auth-ldap/#introduction","text":"Getting started with ldap and this mailserver we need to take 3 parts in account: postfix dovecot saslauthd (this can also be handled by dovecot)","title":"Introduction"},{"location":"config/advanced/auth-ldap/#variables-to-control-provisioning-by-the-container","text":"Have a look at the ENVIRONMENT.md for information on the default values. postfix LDAP_QUERY_FILTER_USER LDAP_QUERY_FILTER_GROUP LDAP_QUERY_FILTER_ALIAS LDAP_QUERY_FILTER_DOMAIN saslauthd SASLAUTHD_LDAP_FILTER dovecot DOVECOT_USER_FILTER DOVECOT_PASS_FILTER","title":"Variables to Control Provisioning by the Container"},{"location":"config/advanced/auth-ldap/#ldap-setup-kopano-zarafa","text":"Example Code --- version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : domain.com container_name : mail ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ environment : # We are not using dovecot here - SMTP_ONLY=1 - ENABLE_SPAMASSASSIN=1 - ENABLE_CLAMAV=1 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=1 - SASLAUTHD_PASSWD= # >>> SASL Authentication - ENABLE_SASLAUTHD=1 - SASLAUTHD_LDAP_SERVER=<yourLdapContainer/yourLdapServer> - SASLAUTHD_LDAP_PROTO= - SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - SASLAUTHD_LDAP_PASSWORD=mypassword - SASLAUTHD_LDAP_SEARCH_BASE=dc=mydomain,dc=loc - SASLAUTHD_LDAP_FILTER=(&(sAMAccountName=%U)(objectClass=person)) - SASLAUTHD_MECHANISMS=ldap # <<< SASL Authentication # >>> Postfix Ldap Integration - ENABLE_LDAP=1 - LDAP_SERVER_HOST=<yourLdapContainer/yourLdapServer> - LDAP_SEARCH_BASE=dc=mydomain,dc=loc - LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - LDAP_BIND_PW=mypassword - LDAP_QUERY_FILTER_USER=(&(objectClass=user)(mail=%s)) - LDAP_QUERY_FILTER_GROUP=(&(objectclass=group)(mail=%s)) - LDAP_QUERY_FILTER_ALIAS=(&(objectClass=user)(otherMailbox=%s)) - LDAP_QUERY_FILTER_DOMAIN=(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE)) # <<< Postfix Ldap Integration # >>> Kopano Integration - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 - POSTFIX_DAGENT=lmtp:kopano:2003 # <<< Kopano Integration - ONE_DIR=1 - DMS_DEBUG=0 - SSL_TYPE=letsencrypt - PERMIT_DOCKER=host cap_add : - NET_ADMIN volumes : maildata : driver : local mailstate : driver : local If your directory has not the postfix-book schema installed, then you must change the internal attribute handling for dovecot. For this you have to change the pass_attr and the user_attr mapping, as shown in the example below: - DOVECOT_PASS_ATTR=<YOUR_USER_IDENTIFYER_ATTRIBUTE>=user,<YOUR_USER_PASSWORD_ATTRIBUTE>=password - DOVECOT_USER_ATTR=<YOUR_USER_HOME_DIRECTORY_ATTRIBUTE>=home,<YOUR_USER_MAILSTORE_ATTRIBUTE>=mail,<YOUR_USER_MAIL_UID_ATTRIBUTE>=uid, <YOUR_USER_MAIL_GID_ATTRIBUTE>=gid The following example illustrates this for a directory that has the qmail-schema installed and that uses uid : - DOVECOT_PASS_ATTRS=uid=user,userPassword=password - DOVECOT_USER_ATTRS=homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail - DOVECOT_PASS_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active)) - DOVECOT_USER_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))","title":"LDAP Setup - Kopano / Zarafa"},{"location":"config/advanced/full-text-search/","text":"Overview Full-text search allows all messages to be indexed, so that mail clients can quickly and efficiently search messages by their full text content. The dovecot-solr Plugin is used in conjunction with Apache Solr running in a separate container. This is quite straightforward to setup using the following instructions. Setup Steps docker-compose.yml : solr : image : lmmdock/dovecot-solr:latest volumes : - solr-dovecot:/opt/solr/server/solr/dovecot restart : always mailserver : image : mailserver/docker-mailserver:latest ... volumes : ... - ./etc/dovecot/conf.d/10-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro ... volumes : solr-dovecot : driver : local etc/dovecot/conf.d/10-plugin.conf : mail_plugins = $mail_plugins fts fts_solr plugin { fts = solr fts_autoindex = yes fts_solr = url=http://solr:8983/solr/dovecot/ } Start the solr container: docker-compose up -d --remove-orphans solr Restart the mailserver container: docker-compose restart mailserver Flag all user mailbox FTS indexes as invalid, so they are rescanned on demand when they are next searched: docker-compose exec mailserver doveadm fts rescan -A Further Discussion See #905","title":"Full-Text Search"},{"location":"config/advanced/full-text-search/#overview","text":"Full-text search allows all messages to be indexed, so that mail clients can quickly and efficiently search messages by their full text content. The dovecot-solr Plugin is used in conjunction with Apache Solr running in a separate container. This is quite straightforward to setup using the following instructions.","title":"Overview"},{"location":"config/advanced/full-text-search/#setup-steps","text":"docker-compose.yml : solr : image : lmmdock/dovecot-solr:latest volumes : - solr-dovecot:/opt/solr/server/solr/dovecot restart : always mailserver : image : mailserver/docker-mailserver:latest ... volumes : ... - ./etc/dovecot/conf.d/10-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro ... volumes : solr-dovecot : driver : local etc/dovecot/conf.d/10-plugin.conf : mail_plugins = $mail_plugins fts fts_solr plugin { fts = solr fts_autoindex = yes fts_solr = url=http://solr:8983/solr/dovecot/ } Start the solr container: docker-compose up -d --remove-orphans solr Restart the mailserver container: docker-compose restart mailserver Flag all user mailbox FTS indexes as invalid, so they are rescanned on demand when they are next searched: docker-compose exec mailserver doveadm fts rescan -A","title":"Setup Steps"},{"location":"config/advanced/full-text-search/#further-discussion","text":"See #905","title":"Further Discussion"},{"location":"config/advanced/ipv6/","text":"Background If your container host supports IPv6, then docker-mailserver will automatically accept IPv6 connections by way of the docker host's IPv6. However, incoming mail will fail SPF checks because they will appear to come from the IPv4 gateway that docker is using to proxy the IPv6 connection ( 172.20.0.1 is the gateway). This can be solved by supporting IPv6 connections all the way to the docker-mailserver container. Setup steps +++ b/serv/docker-compose.yml @@ -1,4 +1,4 @@ -version: '2' +version: '2.1' @@ -32,6 +32,16 @@ services: + ipv6nat: + image: robbertkl/ipv6nat + restart: always + network_mode: \"host\" + cap_add: + - NET_ADMIN + - SYS_MODULE + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - /lib/modules:/lib/modules:ro @@ -306,4 +316,13 @@ networks: + default: + driver: bridge + enable_ipv6: true + ipam: + driver: default + config: + - subnet: fd00:0123:4567::/48 + gateway: fd00:0123:4567::1 Further Discussion See #1438","title":"IPv6"},{"location":"config/advanced/ipv6/#background","text":"If your container host supports IPv6, then docker-mailserver will automatically accept IPv6 connections by way of the docker host's IPv6. However, incoming mail will fail SPF checks because they will appear to come from the IPv4 gateway that docker is using to proxy the IPv6 connection ( 172.20.0.1 is the gateway). This can be solved by supporting IPv6 connections all the way to the docker-mailserver container.","title":"Background"},{"location":"config/advanced/ipv6/#setup-steps","text":"+++ b/serv/docker-compose.yml @@ -1,4 +1,4 @@ -version: '2' +version: '2.1' @@ -32,6 +32,16 @@ services: + ipv6nat: + image: robbertkl/ipv6nat + restart: always + network_mode: \"host\" + cap_add: + - NET_ADMIN + - SYS_MODULE + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - /lib/modules:/lib/modules:ro @@ -306,4 +316,13 @@ networks: + default: + driver: bridge + enable_ipv6: true + ipam: + driver: default + config: + - subnet: fd00:0123:4567::/48 + gateway: fd00:0123:4567::1","title":"Setup steps"},{"location":"config/advanced/ipv6/#further-discussion","text":"See #1438","title":"Further Discussion"},{"location":"config/advanced/kubernetes/","text":"Deployment Example There is nothing much in deploying mailserver to Kubernetes itself. The things are pretty same as in docker-compose.yml , but with Kubernetes syntax. ConfigMap apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.env.config namespace : mailserver labels : app : mailserver data : OVERRIDE_HOSTNAME : example.com ENABLE_FETCHMAIL : \"0\" FETCHMAIL_POLL : \"120\" ENABLE_SPAMASSASSIN : \"0\" ENABLE_CLAMAV : \"0\" ENABLE_FAIL2BAN : \"0\" ENABLE_POSTGREY : \"0\" ONE_DIR : \"1\" DMS_DEBUG : \"0\" --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config namespace : mailserver labels : app : mailserver data : postfix-accounts.cf : | user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 postfix-virtual.cf : | alias1@example.com user1@dexample.com #dovecot.cf: | # service stats { # unix_listener stats-reader { # group = docker # mode = 0666 # } # unix_listener stats-writer { # group = docker # mode = 0666 # } # } SigningTable : | *@example.com mail._domainkey.example.com KeyTable : | mail._domainkey.example.com example.com:mail:/etc/opendkim/keys/example.com-mail.key TrustedHosts : | 127.0.0.1 localhost #user-patches.sh: | # #!/bin/bash #fetchmail.cf: | Secret apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Secret apiVersion : v1 metadata : name : mailserver.opendkim.keys namespace : mailserver labels : app : mailserver type : Opaque data : example.com-mail.key : 'base64-encoded-DKIM-key' Service apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Service apiVersion : v1 metadata : name : mailserver namespace : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp - name : smtp-secure port : 465 targetPort : smtp-secure - name : smtp-auth port : 587 targetPort : smtp-auth - name : imap port : 143 targetPort : imap - name : imap-secure port : 993 targetPort : imap-secure Deployment apiVersion : v1 kind : Namespace metadata : name : mailserver --- apiVersion : apps/v1 kind : Deployment metadata : name : mailserver namespace : mailserver spec : replicas : 1 selector : matchLabels : app : mailserver template : metadata : labels : app : mailserver role : mail tier : backend spec : #nodeSelector: # kubernetes.io/hostname: local.k8s #initContainers: #- name: init-myservice # image: busybox # command: [\"/bin/sh\", \"-c\", \"cp /tmp/user-patches.sh /tmp/files\"] # volumeMounts: # - name: config # subPath: user-patches.sh # mountPath: /tmp/user-patches.sh # readOnly: true # - name: tmp-files # mountPath: /tmp/files containers : - name : docker-mailserver image : mailserver/docker-mailserver:latest imagePullPolicy : Always volumeMounts : - name : config subPath : postfix-accounts.cf mountPath : /tmp/docker-mailserver/postfix-accounts.cf readOnly : true #- name: config # subPath: postfix-main.cf # mountPath: /tmp/docker-mailserver/postfix-main.cf # readOnly: true - name : config subPath : postfix-virtual.cf mountPath : /tmp/docker-mailserver/postfix-virtual.cf readOnly : true - name : config subPath : fetchmail.cf mountPath : /tmp/docker-mailserver/fetchmail.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true #- name: config # subPath: user1.example.com.dovecot.sieve # mountPath: /tmp/docker-mailserver/user1@example.com.dovecot.sieve # readOnly: true #- name: tmp-files # subPath: user-patches.sh # mountPath: /tmp/docker-mailserver/user-patches.sh - name : config subPath : SigningTable mountPath : /tmp/docker-mailserver/opendkim/SigningTable readOnly : true - name : config subPath : KeyTable mountPath : /tmp/docker-mailserver/opendkim/KeyTable readOnly : true - name : config subPath : TrustedHosts mountPath : /tmp/docker-mailserver/opendkim/TrustedHosts readOnly : true - name : opendkim-keys mountPath : /tmp/docker-mailserver/opendkim/keys readOnly : true - name : data mountPath : /var/mail subPath : data - name : data mountPath : /var/mail-state subPath : state - name : data mountPath : /var/log/mail subPath : log ports : - name : smtp containerPort : 25 protocol : TCP - name : smtp-secure containerPort : 465 protocol : TCP - name : smtp-auth containerPort : 587 - name : imap containerPort : 143 protocol : TCP - name : imap-secure containerPort : 993 protocol : TCP envFrom : - configMapRef : name : mailserver.env.config volumes : - name : config configMap : name : mailserver.config - name : opendkim-keys secret : secretName : mailserver.opendkim.keys - name : data persistentVolumeClaim : claimName : mail-storage - name : tmp-files emptyDir : {} Warning Any sensitive data (keys, etc) should be deployed via Secrets . Other configuration just fits well into ConfigMaps . Note Make sure that Pod is assigned to specific Node in case you're using volume for data directly with hostPath . Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes. Exposing to the Outside World The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity. The major problem with exposing mailserver to outside world in Kubernetes is to preserve real client IP . Real client IP is required by mailserver for performing IP-based SPF checks and spam checks. Preserving real client IP is relatively non-trivial in Kubernetes and most exposing ways do not provide it. So, it's up to you to decide which exposing way suits better your needs in a price of complexity. If you do not require SPF checks for incoming mails you may disable them in Postfix configuration by dropping following line (which removes check_policy_service unix:private/policyd-spf option): Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true External IPs Service The simplest way is to expose mailserver as a Service with external IPs . Example kind : Service apiVersion : v1 metadata : name : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp # ... externalIPs : - 80.11.12.10 Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Requirement to specify exposed IPs explicitly. Proxy port to Service The Proxy Pod helps to avoid necessity of specifying external IPs explicitly. This comes in price of complexity: you must deploy Proxy Pod on each Node you want to expose mailserver on. Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Bind to concrete Node and use host network The simplest way to preserve real client IP is to use hostPort and hostNetwork: true in the mailserver Pod . This comes in price of availability: you can talk to mailserver from outside world only via IPs of Node where mailserver is deployed. Example kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... spec : hostNetwork : true # ... containers : # ... ports : - name : smtp containerPort : 25 hostPort : 25 - name : smtp-auth containerPort : 587 hostPort : 587 - name : imap-secure containerPort : 993 hostPort : 993 # ... Downsides Not possible to access mailserver via other cluster Nodes, only via the one mailserver deployed at. Every Port within the Container is exposed on the Host side, regardless of what the ports section in the Configuration defines. Proxy Port to Service via PROXY Protocol This way is ideologically the same as using Proxy Pod , but instead of a separate proxy pod, you configure your ingress to proxy TCP traffic to the mailserver pod using the PROXY protocol, which preserves the real client IP. Configure your Ingress With an NGINX ingress controller , set externalTrafficPolicy: Local for its service, and add the following to the TCP services config map (as described here ): 25 : \"mailserver/mailserver:25::PROXY\" 465 : \"mailserver/mailserver:465::PROXY\" 587 : \"mailserver/mailserver:587::PROXY\" 993 : \"mailserver/mailserver:993::PROXY\" With HAProxy , the configuration should look similar to the above. If you know what it actually looks like, add an example here. Configure the Mailserver Then, configure both Postfix and Dovecot to expect the PROXY protocol: Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | postscreen_upstream_proxy_protocol = haproxy postfix-master.cf : | smtp/inet/postscreen_upstream_proxy_protocol=haproxy submission/inet/smtpd_upstream_proxy_protocol=haproxy smtps/inet/smtpd_upstream_proxy_protocol=haproxy dovecot.cf : | # Assuming your ingress controller is bound to 10.0.0.0/8 haproxy_trusted_networks = 10.0.0.0/8, 127.0.0.0/8 service imap-login { inet_listener imap { haproxy = yes } inet_listener imaps { haproxy = yes } } # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver spec : template : spec : containers : - name : docker-mailserver volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true - name : config subPath : postfix-master.cf mountPath : /tmp/docker-mailserver/postfix-master.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true Downsides Not possible to access mailserver via inner cluster Kubernetes DNS, as PROXY protocol is required for incoming connections. Let's Encrypt Certificates Kube-Lego may be used for a role of Let's Encrypt client. It works with Kubernetes Ingress Resources and automatically issues/manages certificates/keys for exposed services via Ingresses. Example kind : Ingress apiVersion : extensions/v1beta1 metadata : name : mailserver labels : app : mailserver annotations : kubernetes.io/tls-acme : 'true' spec : rules : - host : example.com http : paths : - path : / backend : serviceName : default-backend servicePort : 80 tls : - secretName : mailserver.tls hosts : - example.com Now, you can use Let's Encrypt cert and key from mailserver.tls Secret in your Pod spec: Example # ... env : - name : SSL_TYPE value : 'manual' - name : SSL_CERT_PATH value : '/etc/ssl/mailserver/tls.crt' - name : SSL_KEY_PATH value : '/etc/ssl/mailserver/tls.key' # ... volumeMounts : - name : tls mountPath : /etc/ssl/mailserver readOnly : true # ... volumes : - name : tls secret : secretName : mailserver.tls","title":"Kubernetes"},{"location":"config/advanced/kubernetes/#deployment-example","text":"There is nothing much in deploying mailserver to Kubernetes itself. The things are pretty same as in docker-compose.yml , but with Kubernetes syntax. ConfigMap apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.env.config namespace : mailserver labels : app : mailserver data : OVERRIDE_HOSTNAME : example.com ENABLE_FETCHMAIL : \"0\" FETCHMAIL_POLL : \"120\" ENABLE_SPAMASSASSIN : \"0\" ENABLE_CLAMAV : \"0\" ENABLE_FAIL2BAN : \"0\" ENABLE_POSTGREY : \"0\" ONE_DIR : \"1\" DMS_DEBUG : \"0\" --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config namespace : mailserver labels : app : mailserver data : postfix-accounts.cf : | user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 postfix-virtual.cf : | alias1@example.com user1@dexample.com #dovecot.cf: | # service stats { # unix_listener stats-reader { # group = docker # mode = 0666 # } # unix_listener stats-writer { # group = docker # mode = 0666 # } # } SigningTable : | *@example.com mail._domainkey.example.com KeyTable : | mail._domainkey.example.com example.com:mail:/etc/opendkim/keys/example.com-mail.key TrustedHosts : | 127.0.0.1 localhost #user-patches.sh: | # #!/bin/bash #fetchmail.cf: | Secret apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Secret apiVersion : v1 metadata : name : mailserver.opendkim.keys namespace : mailserver labels : app : mailserver type : Opaque data : example.com-mail.key : 'base64-encoded-DKIM-key' Service apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Service apiVersion : v1 metadata : name : mailserver namespace : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp - name : smtp-secure port : 465 targetPort : smtp-secure - name : smtp-auth port : 587 targetPort : smtp-auth - name : imap port : 143 targetPort : imap - name : imap-secure port : 993 targetPort : imap-secure Deployment apiVersion : v1 kind : Namespace metadata : name : mailserver --- apiVersion : apps/v1 kind : Deployment metadata : name : mailserver namespace : mailserver spec : replicas : 1 selector : matchLabels : app : mailserver template : metadata : labels : app : mailserver role : mail tier : backend spec : #nodeSelector: # kubernetes.io/hostname: local.k8s #initContainers: #- name: init-myservice # image: busybox # command: [\"/bin/sh\", \"-c\", \"cp /tmp/user-patches.sh /tmp/files\"] # volumeMounts: # - name: config # subPath: user-patches.sh # mountPath: /tmp/user-patches.sh # readOnly: true # - name: tmp-files # mountPath: /tmp/files containers : - name : docker-mailserver image : mailserver/docker-mailserver:latest imagePullPolicy : Always volumeMounts : - name : config subPath : postfix-accounts.cf mountPath : /tmp/docker-mailserver/postfix-accounts.cf readOnly : true #- name: config # subPath: postfix-main.cf # mountPath: /tmp/docker-mailserver/postfix-main.cf # readOnly: true - name : config subPath : postfix-virtual.cf mountPath : /tmp/docker-mailserver/postfix-virtual.cf readOnly : true - name : config subPath : fetchmail.cf mountPath : /tmp/docker-mailserver/fetchmail.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true #- name: config # subPath: user1.example.com.dovecot.sieve # mountPath: /tmp/docker-mailserver/user1@example.com.dovecot.sieve # readOnly: true #- name: tmp-files # subPath: user-patches.sh # mountPath: /tmp/docker-mailserver/user-patches.sh - name : config subPath : SigningTable mountPath : /tmp/docker-mailserver/opendkim/SigningTable readOnly : true - name : config subPath : KeyTable mountPath : /tmp/docker-mailserver/opendkim/KeyTable readOnly : true - name : config subPath : TrustedHosts mountPath : /tmp/docker-mailserver/opendkim/TrustedHosts readOnly : true - name : opendkim-keys mountPath : /tmp/docker-mailserver/opendkim/keys readOnly : true - name : data mountPath : /var/mail subPath : data - name : data mountPath : /var/mail-state subPath : state - name : data mountPath : /var/log/mail subPath : log ports : - name : smtp containerPort : 25 protocol : TCP - name : smtp-secure containerPort : 465 protocol : TCP - name : smtp-auth containerPort : 587 - name : imap containerPort : 143 protocol : TCP - name : imap-secure containerPort : 993 protocol : TCP envFrom : - configMapRef : name : mailserver.env.config volumes : - name : config configMap : name : mailserver.config - name : opendkim-keys secret : secretName : mailserver.opendkim.keys - name : data persistentVolumeClaim : claimName : mail-storage - name : tmp-files emptyDir : {} Warning Any sensitive data (keys, etc) should be deployed via Secrets . Other configuration just fits well into ConfigMaps . Note Make sure that Pod is assigned to specific Node in case you're using volume for data directly with hostPath . Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes.","title":"Deployment Example"},{"location":"config/advanced/kubernetes/#exposing-to-the-outside-world","text":"The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity. The major problem with exposing mailserver to outside world in Kubernetes is to preserve real client IP . Real client IP is required by mailserver for performing IP-based SPF checks and spam checks. Preserving real client IP is relatively non-trivial in Kubernetes and most exposing ways do not provide it. So, it's up to you to decide which exposing way suits better your needs in a price of complexity. If you do not require SPF checks for incoming mails you may disable them in Postfix configuration by dropping following line (which removes check_policy_service unix:private/policyd-spf option): Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true","title":"Exposing to the Outside World"},{"location":"config/advanced/kubernetes/#external-ips-service","text":"The simplest way is to expose mailserver as a Service with external IPs . Example kind : Service apiVersion : v1 metadata : name : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp # ... externalIPs : - 80.11.12.10 Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Requirement to specify exposed IPs explicitly.","title":"External IPs Service"},{"location":"config/advanced/kubernetes/#proxy-port-to-service","text":"The Proxy Pod helps to avoid necessity of specifying external IPs explicitly. This comes in price of complexity: you must deploy Proxy Pod on each Node you want to expose mailserver on. Downsides Real client IP is not preserved , so SPF check of incoming mail will fail.","title":"Proxy port to Service"},{"location":"config/advanced/kubernetes/#bind-to-concrete-node-and-use-host-network","text":"The simplest way to preserve real client IP is to use hostPort and hostNetwork: true in the mailserver Pod . This comes in price of availability: you can talk to mailserver from outside world only via IPs of Node where mailserver is deployed. Example kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... spec : hostNetwork : true # ... containers : # ... ports : - name : smtp containerPort : 25 hostPort : 25 - name : smtp-auth containerPort : 587 hostPort : 587 - name : imap-secure containerPort : 993 hostPort : 993 # ... Downsides Not possible to access mailserver via other cluster Nodes, only via the one mailserver deployed at. Every Port within the Container is exposed on the Host side, regardless of what the ports section in the Configuration defines.","title":"Bind to concrete Node and use host network"},{"location":"config/advanced/kubernetes/#proxy-port-to-service-via-proxy-protocol","text":"This way is ideologically the same as using Proxy Pod , but instead of a separate proxy pod, you configure your ingress to proxy TCP traffic to the mailserver pod using the PROXY protocol, which preserves the real client IP.","title":"Proxy Port to Service via PROXY Protocol"},{"location":"config/advanced/kubernetes/#configure-your-ingress","text":"With an NGINX ingress controller , set externalTrafficPolicy: Local for its service, and add the following to the TCP services config map (as described here ): 25 : \"mailserver/mailserver:25::PROXY\" 465 : \"mailserver/mailserver:465::PROXY\" 587 : \"mailserver/mailserver:587::PROXY\" 993 : \"mailserver/mailserver:993::PROXY\" With HAProxy , the configuration should look similar to the above. If you know what it actually looks like, add an example here.","title":"Configure your Ingress"},{"location":"config/advanced/kubernetes/#configure-the-mailserver","text":"Then, configure both Postfix and Dovecot to expect the PROXY protocol: Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | postscreen_upstream_proxy_protocol = haproxy postfix-master.cf : | smtp/inet/postscreen_upstream_proxy_protocol=haproxy submission/inet/smtpd_upstream_proxy_protocol=haproxy smtps/inet/smtpd_upstream_proxy_protocol=haproxy dovecot.cf : | # Assuming your ingress controller is bound to 10.0.0.0/8 haproxy_trusted_networks = 10.0.0.0/8, 127.0.0.0/8 service imap-login { inet_listener imap { haproxy = yes } inet_listener imaps { haproxy = yes } } # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver spec : template : spec : containers : - name : docker-mailserver volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true - name : config subPath : postfix-master.cf mountPath : /tmp/docker-mailserver/postfix-master.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true Downsides Not possible to access mailserver via inner cluster Kubernetes DNS, as PROXY protocol is required for incoming connections.","title":"Configure the Mailserver"},{"location":"config/advanced/kubernetes/#lets-encrypt-certificates","text":"Kube-Lego may be used for a role of Let's Encrypt client. It works with Kubernetes Ingress Resources and automatically issues/manages certificates/keys for exposed services via Ingresses. Example kind : Ingress apiVersion : extensions/v1beta1 metadata : name : mailserver labels : app : mailserver annotations : kubernetes.io/tls-acme : 'true' spec : rules : - host : example.com http : paths : - path : / backend : serviceName : default-backend servicePort : 80 tls : - secretName : mailserver.tls hosts : - example.com Now, you can use Let's Encrypt cert and key from mailserver.tls Secret in your Pod spec: Example # ... env : - name : SSL_TYPE value : 'manual' - name : SSL_CERT_PATH value : '/etc/ssl/mailserver/tls.crt' - name : SSL_KEY_PATH value : '/etc/ssl/mailserver/tls.key' # ... volumeMounts : - name : tls mountPath : /etc/ssl/mailserver readOnly : true # ... volumes : - name : tls secret : secretName : mailserver.tls","title":"Let's Encrypt Certificates"},{"location":"config/advanced/mail-fetchmail/","text":"To enable the fetchmail service to retrieve e-mails set the environment variable ENABLE_FETCHMAIL to 1 . Your docker-compose.yml file should look like following snippet: environment : - ENABLE_FETCHMAIL=1 - FETCHMAIL_POLL=300 Generate a file called fetchmail.cf and place it in the config folder. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 fetchmail.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md Configuration A detailed description of the configuration options can be found in the online version of the manual page . IMAP Configuration Example poll 'imap.example.com' proto imap user 'username' pass 'secret' is 'user1@domain.tld' ssl POP3 Configuration Example poll 'pop3.example.com' proto pop3 user 'username' pass 'secret' is 'user2@domain.tld' ssl Caution Don\u2019t forget the last line: eg: is 'user1@domain.tld' . After is you have to specify one email address from the configuration file config/postfix-accounts.cf . More details how to configure fetchmail can be found in the fetchmail man page in the chapter \u201cThe run control file\u201d . Polling Interval By default the fetchmail service searches every 5 minutes for new mails on your external mail accounts. You can override this default value by changing the ENV variable FETCHMAIL_POLL : environment : - FETCHMAIL_POLL=60 You must specify a numeric argument which is a polling interval in seconds. The example above polls every minute for new mails. Debugging To debug your fetchmail.cf configuration run this command: ./setup.sh debug fetchmail For more informations about the configuration script setup.sh read the corresponding docs . Here a sample output of ./setup.sh debug fetchmail : fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:09 2016: poll started Trying to connect to 132.245.48.18/995...connected. fetchmail: Server certificate: fetchmail: Issuer Organization: Microsoft Corporation fetchmail: Issuer CommonName: Microsoft IT SSL SHA2 fetchmail: Subject CommonName: outlook.com fetchmail: Subject Alternative Name: outlook.com fetchmail: Subject Alternative Name: *.outlook.com fetchmail: Subject Alternative Name: office365.com fetchmail: Subject Alternative Name: *.office365.com fetchmail: Subject Alternative Name: *.live.com fetchmail: Subject Alternative Name: *.internal.outlook.com fetchmail: Subject Alternative Name: *.outlook.office365.com fetchmail: Subject Alternative Name: outlook.office.com fetchmail: Subject Alternative Name: attachment.outlook.office.net fetchmail: Subject Alternative Name: attachment.outlook.officeppe.net fetchmail: Subject Alternative Name: *.office.com fetchmail: outlook.office365.com key fingerprint: 3A:A4:58:42:56:CD:BD:11:19:5B:CF:1E:85:16:8E:4D fetchmail: POP3< +OK The Microsoft Exchange POP3 service is ready. [SABFADEAUABSADAAMQBDAEEAMAAwADAANwAuAGUAdQByAHAAcgBkADAAMQAuAHAAcgBvAGQALgBlAHgAYwBoAGEAbgBnAGUAbABhAGIAcwAuAGMAbwBtAA==] fetchmail: POP3> CAPA fetchmail: POP3< +OK fetchmail: POP3< TOP fetchmail: POP3< UIDL fetchmail: POP3< SASL PLAIN fetchmail: POP3< USER fetchmail: POP3< . fetchmail: POP3> USER user1@outlook.com fetchmail: POP3< +OK fetchmail: POP3> PASS * fetchmail: POP3< +OK User successfully logged on. fetchmail: POP3> STAT fetchmail: POP3< +OK 0 0 fetchmail: No mail for user1@outlook.com at outlook.office365.com fetchmail: POP3> QUIT fetchmail: POP3< +OK Microsoft Exchange Server 2016 POP3 server signing off. fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:11 2016: poll completed fetchmail: normal termination, status 1","title":"Email Gathering with Fetchmail"},{"location":"config/advanced/mail-fetchmail/#configuration","text":"A detailed description of the configuration options can be found in the online version of the manual page .","title":"Configuration"},{"location":"config/advanced/mail-fetchmail/#imap-configuration","text":"Example poll 'imap.example.com' proto imap user 'username' pass 'secret' is 'user1@domain.tld' ssl","title":"IMAP Configuration"},{"location":"config/advanced/mail-fetchmail/#pop3-configuration","text":"Example poll 'pop3.example.com' proto pop3 user 'username' pass 'secret' is 'user2@domain.tld' ssl Caution Don\u2019t forget the last line: eg: is 'user1@domain.tld' . After is you have to specify one email address from the configuration file config/postfix-accounts.cf . More details how to configure fetchmail can be found in the fetchmail man page in the chapter \u201cThe run control file\u201d .","title":"POP3 Configuration"},{"location":"config/advanced/mail-fetchmail/#polling-interval","text":"By default the fetchmail service searches every 5 minutes for new mails on your external mail accounts. You can override this default value by changing the ENV variable FETCHMAIL_POLL : environment : - FETCHMAIL_POLL=60 You must specify a numeric argument which is a polling interval in seconds. The example above polls every minute for new mails.","title":"Polling Interval"},{"location":"config/advanced/mail-fetchmail/#debugging","text":"To debug your fetchmail.cf configuration run this command: ./setup.sh debug fetchmail For more informations about the configuration script setup.sh read the corresponding docs . Here a sample output of ./setup.sh debug fetchmail : fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:09 2016: poll started Trying to connect to 132.245.48.18/995...connected. fetchmail: Server certificate: fetchmail: Issuer Organization: Microsoft Corporation fetchmail: Issuer CommonName: Microsoft IT SSL SHA2 fetchmail: Subject CommonName: outlook.com fetchmail: Subject Alternative Name: outlook.com fetchmail: Subject Alternative Name: *.outlook.com fetchmail: Subject Alternative Name: office365.com fetchmail: Subject Alternative Name: *.office365.com fetchmail: Subject Alternative Name: *.live.com fetchmail: Subject Alternative Name: *.internal.outlook.com fetchmail: Subject Alternative Name: *.outlook.office365.com fetchmail: Subject Alternative Name: outlook.office.com fetchmail: Subject Alternative Name: attachment.outlook.office.net fetchmail: Subject Alternative Name: attachment.outlook.officeppe.net fetchmail: Subject Alternative Name: *.office.com fetchmail: outlook.office365.com key fingerprint: 3A:A4:58:42:56:CD:BD:11:19:5B:CF:1E:85:16:8E:4D fetchmail: POP3< +OK The Microsoft Exchange POP3 service is ready. [SABFADEAUABSADAAMQBDAEEAMAAwADAANwAuAGUAdQByAHAAcgBkADAAMQAuAHAAcgBvAGQALgBlAHgAYwBoAGEAbgBnAGUAbABhAGIAcwAuAGMAbwBtAA==] fetchmail: POP3> CAPA fetchmail: POP3< +OK fetchmail: POP3< TOP fetchmail: POP3< UIDL fetchmail: POP3< SASL PLAIN fetchmail: POP3< USER fetchmail: POP3< . fetchmail: POP3> USER user1@outlook.com fetchmail: POP3< +OK fetchmail: POP3> PASS * fetchmail: POP3< +OK User successfully logged on. fetchmail: POP3> STAT fetchmail: POP3< +OK 0 0 fetchmail: No mail for user1@outlook.com at outlook.office365.com fetchmail: POP3> QUIT fetchmail: POP3< +OK Microsoft Exchange Server 2016 POP3 server signing off. fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:11 2016: poll completed fetchmail: normal termination, status 1","title":"Debugging"},{"location":"config/advanced/mail-sieve/","text":"User-Defined Sieve Filters Sieve allows to specify filtering rules for incoming emails that allow for example sorting mails into different folders depending on the title of an email. There are global and user specific filters which are filtering the incoming emails in the following order: Global-before -> User specific -> Global-after Global filters are applied to EVERY incoming mail for EVERY email address. To specify a global Sieve filter provide a config/before.dovecot.sieve or a config/after.dovecot.sieve file with your filter rules. If any filter in this filtering chain discards an incoming mail, the delivery process will stop as well and the mail will not reach any following filters(e.g. global-before stops an incoming spam mail: The mail will get discarded and a user-specific filter won't get applied.) To specify a user-defined Sieve filter place a .dovecot.sieve file into a virtual user's mail folder e.g. /var/mail/domain.com/user1/.dovecot.sieve . If this file exists dovecot will apply the filtering rules. It's even possible to install a user provided Sieve filter at startup during users setup: simply include a Sieve file in the config path for each user login that need a filter. The file name provided should be in the form <user_login>.dovecot.sieve , so for example for user1@domain.tld you should provide a Sieve file named config/user1@domain.tld.dovecot.sieve . An example of a sieve filter that moves mails to a folder INBOX/spam depending on the sender address: Example require [ \"fileinto\" , \"reject\" ]; if address :contains [ \"From\" ] \"spam@spam.com\" { fileinto \"INBOX.spam\" ; } else { keep ; } Warning That folders have to exist beforehand if sieve should move them. Another example of a sieve filter that forward mails to a different address: Example require [ \"copy\" ]; redirect :copy \"user2@otherdomain.tld\" ; Just forward all incoming emails and do not save them locally: Example redirect \"user2@otherdomain.tld\" ; You can also use external programs to filter or pipe (process) messages by adding executable scripts in config/sieve-pipe or config/sieve-filter . This can be used in lieu of a local alias file, for instance to forward an email to a webservice. These programs can then be referenced by filename, by all users. Note that the process running the scripts run as a privileged user. For further information see Dovecot's wiki . require [ \"vnd.dovecot.pipe\" ]; pipe \"external-program\" ; For more examples or a detailed description of the Sieve language have a look at the official site . Other resources are available on the internet where you can find several examples . Manage Sieve The Manage Sieve extension allows users to modify their Sieve script by themselves. The authentication mechanisms are the same as for the main dovecot service. ManageSieve runs on port 4190 and needs to be enabled using the ENABLE_MANAGESIEVE=1 environment variable. Example # docker-compose.yml ports : - \"4190:4190\" environment : - ENABLE_MANAGESIEVE=1 All user defined sieve scripts that are managed by ManageSieve are stored in the user's home folder in /var/mail/domain.com/user1/sieve . Just one sieve script might be active for a user and is sym-linked to /var/mail/domain.com/user1/.dovecot.sieve automatically. Note ManageSieve makes sure to not overwrite an existing .dovecot.sieve file. If a user activates a new sieve script the old one is backuped and moved to the sieve folder. The extension is known to work with the following ManageSieve clients: Sieve Editor a portable standalone application based on the former Thunderbird plugin ( https://github.com/thsmi/sieve ).","title":"Email Filtering with Sieve"},{"location":"config/advanced/mail-sieve/#user-defined-sieve-filters","text":"Sieve allows to specify filtering rules for incoming emails that allow for example sorting mails into different folders depending on the title of an email. There are global and user specific filters which are filtering the incoming emails in the following order: Global-before -> User specific -> Global-after Global filters are applied to EVERY incoming mail for EVERY email address. To specify a global Sieve filter provide a config/before.dovecot.sieve or a config/after.dovecot.sieve file with your filter rules. If any filter in this filtering chain discards an incoming mail, the delivery process will stop as well and the mail will not reach any following filters(e.g. global-before stops an incoming spam mail: The mail will get discarded and a user-specific filter won't get applied.) To specify a user-defined Sieve filter place a .dovecot.sieve file into a virtual user's mail folder e.g. /var/mail/domain.com/user1/.dovecot.sieve . If this file exists dovecot will apply the filtering rules. It's even possible to install a user provided Sieve filter at startup during users setup: simply include a Sieve file in the config path for each user login that need a filter. The file name provided should be in the form <user_login>.dovecot.sieve , so for example for user1@domain.tld you should provide a Sieve file named config/user1@domain.tld.dovecot.sieve . An example of a sieve filter that moves mails to a folder INBOX/spam depending on the sender address: Example require [ \"fileinto\" , \"reject\" ]; if address :contains [ \"From\" ] \"spam@spam.com\" { fileinto \"INBOX.spam\" ; } else { keep ; } Warning That folders have to exist beforehand if sieve should move them. Another example of a sieve filter that forward mails to a different address: Example require [ \"copy\" ]; redirect :copy \"user2@otherdomain.tld\" ; Just forward all incoming emails and do not save them locally: Example redirect \"user2@otherdomain.tld\" ; You can also use external programs to filter or pipe (process) messages by adding executable scripts in config/sieve-pipe or config/sieve-filter . This can be used in lieu of a local alias file, for instance to forward an email to a webservice. These programs can then be referenced by filename, by all users. Note that the process running the scripts run as a privileged user. For further information see Dovecot's wiki . require [ \"vnd.dovecot.pipe\" ]; pipe \"external-program\" ; For more examples or a detailed description of the Sieve language have a look at the official site . Other resources are available on the internet where you can find several examples .","title":"User-Defined Sieve Filters"},{"location":"config/advanced/mail-sieve/#manage-sieve","text":"The Manage Sieve extension allows users to modify their Sieve script by themselves. The authentication mechanisms are the same as for the main dovecot service. ManageSieve runs on port 4190 and needs to be enabled using the ENABLE_MANAGESIEVE=1 environment variable. Example # docker-compose.yml ports : - \"4190:4190\" environment : - ENABLE_MANAGESIEVE=1 All user defined sieve scripts that are managed by ManageSieve are stored in the user's home folder in /var/mail/domain.com/user1/sieve . Just one sieve script might be active for a user and is sym-linked to /var/mail/domain.com/user1/.dovecot.sieve automatically. Note ManageSieve makes sure to not overwrite an existing .dovecot.sieve file. If a user activates a new sieve script the old one is backuped and moved to the sieve folder. The extension is known to work with the following ManageSieve clients: Sieve Editor a portable standalone application based on the former Thunderbird plugin ( https://github.com/thsmi/sieve ).","title":"Manage Sieve"},{"location":"config/advanced/optional-config/","text":"This is a list of all configuration files and directories which are optional or automatically generated in your config directory. Directories sieve-filter: directory for sieve filter scripts. (Docs: Sieve ) sieve-pipe: directory for sieve pipe scripts. (Docs: Sieve ) opendkim: DKIM directory. Auto-configurable via setup.sh config dkim . (Docs: DKIM ) ssl: SSL Certificate directory. Auto-configurable via setup.sh config ssl . (Docs: SSL ) Files {user_email_address}.dovecot.sieve: User specific Sieve filter file. (Docs: Sieve ) before.dovecot.sieve: Global Sieve filter file, applied prior to the ${login}.dovecot.sieve filter. (Docs: Sieve ) after.dovecot.sieve : Global Sieve filter file, applied after the ${login}.dovecot.sieve filter. (Docs: Sieve ) postfix-main.cf: Every line will be added to the postfix main configuration. (Docs: Override Postfix Defaults ) postfix-master.cf: Every line will be added to the postfix master configuration. (Docs: Override Postfix Defaults ) postfix-accounts.cf: User accounts file. Modify via the setup.sh email script. postfix-send-access.cf: List of users denied sending. Modify via setup.sh email restrict . postfix-receive-access.cf: List of users denied receiving. Modify via setup.sh email restrict . postfix-virtual.cf: Alias configuration file. Modify via setup.sh alias . postfix-sasl-password.cf: listing of relayed domains with their respective <username>:<password> . Modify via setup.sh relay add-auth <domain> <username> [<password>] . (Docs: Relay-Hosts Auth ) postfix-relaymap.cf: domain-specific relays and exclusions. Modify via setup.sh relay add-domain and setup.sh relay exclude-domain . (Docs: Relay-Hosts Senders ) postfix-regexp.cf: Regular expression alias file. (Docs: Aliases ) ldap-users.cf: Configuration for the virtual user mapping virtual_mailbox_maps . See the setup-stack.sh script. ldap-groups.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-aliases.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-domains.cf: Configuration for the virtual domain mapping virtual_mailbox_domains . See the setup-stack.sh script. whitelist_clients.local: Whitelisted domains, not considered by postgrey. Enter one host or domain per line. spamassassin-rules.cf: Antispam rules for Spamassassin. (Docs: FAQ - SpamAssassin Rules ) fail2ban-fail2ban.cf: Additional config options for fail2ban.cf . (Docs: Fail2Ban ) fail2ban-jail.cf: Additional config options for fail2ban's jail behaviour. (Docs: Fail2Ban ) amavis.cf: replaces the /etc/amavis/conf.d/50-user file dovecot.cf: replaces /etc/dovecot/local.conf . (Docs: Override Dovecot Defaults ) dovecot-quotas.cf: list of custom quotas per mailbox. (Docs: Accounts ) user-patches.sh: this file will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. (Docs: FAQ - How to adjust settings with the user-patches.sh script )","title":"Optional Configuration"},{"location":"config/advanced/optional-config/#directories","text":"sieve-filter: directory for sieve filter scripts. (Docs: Sieve ) sieve-pipe: directory for sieve pipe scripts. (Docs: Sieve ) opendkim: DKIM directory. Auto-configurable via setup.sh config dkim . (Docs: DKIM ) ssl: SSL Certificate directory. Auto-configurable via setup.sh config ssl . (Docs: SSL )","title":"Directories"},{"location":"config/advanced/optional-config/#files","text":"{user_email_address}.dovecot.sieve: User specific Sieve filter file. (Docs: Sieve ) before.dovecot.sieve: Global Sieve filter file, applied prior to the ${login}.dovecot.sieve filter. (Docs: Sieve ) after.dovecot.sieve : Global Sieve filter file, applied after the ${login}.dovecot.sieve filter. (Docs: Sieve ) postfix-main.cf: Every line will be added to the postfix main configuration. (Docs: Override Postfix Defaults ) postfix-master.cf: Every line will be added to the postfix master configuration. (Docs: Override Postfix Defaults ) postfix-accounts.cf: User accounts file. Modify via the setup.sh email script. postfix-send-access.cf: List of users denied sending. Modify via setup.sh email restrict . postfix-receive-access.cf: List of users denied receiving. Modify via setup.sh email restrict . postfix-virtual.cf: Alias configuration file. Modify via setup.sh alias . postfix-sasl-password.cf: listing of relayed domains with their respective <username>:<password> . Modify via setup.sh relay add-auth <domain> <username> [<password>] . (Docs: Relay-Hosts Auth ) postfix-relaymap.cf: domain-specific relays and exclusions. Modify via setup.sh relay add-domain and setup.sh relay exclude-domain . (Docs: Relay-Hosts Senders ) postfix-regexp.cf: Regular expression alias file. (Docs: Aliases ) ldap-users.cf: Configuration for the virtual user mapping virtual_mailbox_maps . See the setup-stack.sh script. ldap-groups.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-aliases.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-domains.cf: Configuration for the virtual domain mapping virtual_mailbox_domains . See the setup-stack.sh script. whitelist_clients.local: Whitelisted domains, not considered by postgrey. Enter one host or domain per line. spamassassin-rules.cf: Antispam rules for Spamassassin. (Docs: FAQ - SpamAssassin Rules ) fail2ban-fail2ban.cf: Additional config options for fail2ban.cf . (Docs: Fail2Ban ) fail2ban-jail.cf: Additional config options for fail2ban's jail behaviour. (Docs: Fail2Ban ) amavis.cf: replaces the /etc/amavis/conf.d/50-user file dovecot.cf: replaces /etc/dovecot/local.conf . (Docs: Override Dovecot Defaults ) dovecot-quotas.cf: list of custom quotas per mailbox. (Docs: Accounts ) user-patches.sh: this file will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. (Docs: FAQ - How to adjust settings with the user-patches.sh script )","title":"Files"},{"location":"config/advanced/mail-forwarding/aws-ses/","text":"Warning New configuration, see Configure Relay Hosts Instead of letting postfix deliver mail directly it is possible to configure it to deliver outgoing email via Amazon SES (Simple Email Service). (Receiving inbound email via SES is not implemented.) The configuration follows the guidelines provided by AWS in https://docs.aws.amazon.com/ses/latest/DeveloperGuide/postfix.html , specifically, the STARTTLS method. As described in the AWS Developer Guide you will have to generate SMTP credentials and define the following two environment variables in the docker-compose.yml with the appropriate values for your AWS SES subscription (the values for AWS_SES_USERPASS are the \"SMTP username\" and \"SMTP password\" provided when you create SMTP credentials for SES): environment : - AWS_SES_HOST=email-smtp.us-east-1.amazonaws.com - AWS_SES_USERPASS=AKIAXXXXXXXXXXXXXXXX:kqXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX If necessary, you can also provide AWS_SES_PORT . If not provided, it defaults to 25. When you start the container you will see a log line as follows confirming the configuration: Setting up outgoing email via AWS SES host email-smtp.us-east-1.amazonaws.com To verify proper operation, send an email to some external account of yours and inspect the mail headers. You will also see the connection to SES in the mail logs. For example: May 23 07:09:36 mail postfix/smtp[692]: Trusted TLS connection established to email-smtp.us-east-1.amazonaws.com[107.20.142.169]:25: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) May 23 07:09:36 mail postfix/smtp[692]: 8C82A7E7: to=<someone@example.com>, relay=email-smtp.us-east-1.amazonaws.com[107.20.142.169]:25, delay=0.35, delays=0/0.02/0.13/0.2, dsn=2.0.0, status=sent (250 Ok 01000154dc729264-93fdd7ea-f039-43d6-91ed-653e8547867c-000000)","title":"AWS SES"},{"location":"config/advanced/mail-forwarding/relay-hosts/","text":"Introduction Rather than having Postfix deliver mail directly, you can configure Postfix to send mail via another mail relay (smarthost). Examples include Mailgun , Sendgrid and AWS SES . Depending on the domain of the sender, you may want to send via a different relay, or authenticate in a different way. Basic Configuration Basic configuration is done via environment variables: RELAY_HOST : default host to relay mail through, empty will disable this feature RELAY_PORT : port on default relay, defaults to port 25 RELAY_USER : username for the default relay RELAY_PASSWORD : password for the default user Setting these environment variables will cause mail for all sender domains to be routed via the specified host, authenticating with the user/password combination. Warning For users of the previous AWS_SES_* variables: please update your configuration to use these new variables, no other configuration is required. Advanced Configuration Sender-dependent Authentication Sender dependent authentication is done in config/postfix-sasl-password.cf . You can create this file manually, or use: setup.sh relay add-auth <domain> <username> [ <password> ] An example configuration file looks like this: @domain1.com relay_user_1:password_1 @domain2.com relay_user_2:password_2 If there is no other configuration, this will cause Postfix to deliver email throught the relay specified in RELAY_HOST env variable, authenticating as relay_user_1 when sent from domain1.com and authenticating as relay_user_2 when sending from domain2.com. Note To activate the configuration you must either restart the container, or you can also trigger an update by modifying a mail account. Sender-dependent Relay Host Sender dependent relay hosts are configured in config/postfix-relaymap.cf . You can create this file manually, or use: setup.sh relay add-domain <domain> <host> [ <port> ] An example configuration file looks like this: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 Combined with the previous configuration in config/postfix-sasl-password.cf , this will cause Postfix to deliver mail sent from domain1.com via relay1.org:587 , authenticating as relay_user_1 , and mail sent from domain2.com via relay2.org:2525 authenticating as relay_user_2 . Note You still have to define RELAY_HOST to activate the feature Excluding Sender Domains If you want mail sent from some domains to be delivered directly, you can exclude them from being delivered via the default relay by adding them to config/postfix-relaymap.cf with no destination. You can also do this via: setup.sh relay exclude-domain <domain> Extending the configuration file from above: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 @domain3.com This will cause email sent from domain3.com to be delivered directly. References Thanks to the author of this article for the inspiration. This is also worth reading to understand a bit more about how to set up Mailgun to work with this.","title":"Relay Hosts"},{"location":"config/advanced/mail-forwarding/relay-hosts/#introduction","text":"Rather than having Postfix deliver mail directly, you can configure Postfix to send mail via another mail relay (smarthost). Examples include Mailgun , Sendgrid and AWS SES . Depending on the domain of the sender, you may want to send via a different relay, or authenticate in a different way.","title":"Introduction"},{"location":"config/advanced/mail-forwarding/relay-hosts/#basic-configuration","text":"Basic configuration is done via environment variables: RELAY_HOST : default host to relay mail through, empty will disable this feature RELAY_PORT : port on default relay, defaults to port 25 RELAY_USER : username for the default relay RELAY_PASSWORD : password for the default user Setting these environment variables will cause mail for all sender domains to be routed via the specified host, authenticating with the user/password combination. Warning For users of the previous AWS_SES_* variables: please update your configuration to use these new variables, no other configuration is required.","title":"Basic Configuration"},{"location":"config/advanced/mail-forwarding/relay-hosts/#advanced-configuration","text":"","title":"Advanced Configuration"},{"location":"config/advanced/mail-forwarding/relay-hosts/#sender-dependent-authentication","text":"Sender dependent authentication is done in config/postfix-sasl-password.cf . You can create this file manually, or use: setup.sh relay add-auth <domain> <username> [ <password> ] An example configuration file looks like this: @domain1.com relay_user_1:password_1 @domain2.com relay_user_2:password_2 If there is no other configuration, this will cause Postfix to deliver email throught the relay specified in RELAY_HOST env variable, authenticating as relay_user_1 when sent from domain1.com and authenticating as relay_user_2 when sending from domain2.com. Note To activate the configuration you must either restart the container, or you can also trigger an update by modifying a mail account.","title":"Sender-dependent Authentication"},{"location":"config/advanced/mail-forwarding/relay-hosts/#sender-dependent-relay-host","text":"Sender dependent relay hosts are configured in config/postfix-relaymap.cf . You can create this file manually, or use: setup.sh relay add-domain <domain> <host> [ <port> ] An example configuration file looks like this: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 Combined with the previous configuration in config/postfix-sasl-password.cf , this will cause Postfix to deliver mail sent from domain1.com via relay1.org:587 , authenticating as relay_user_1 , and mail sent from domain2.com via relay2.org:2525 authenticating as relay_user_2 . Note You still have to define RELAY_HOST to activate the feature","title":"Sender-dependent Relay Host"},{"location":"config/advanced/mail-forwarding/relay-hosts/#excluding-sender-domains","text":"If you want mail sent from some domains to be delivered directly, you can exclude them from being delivered via the default relay by adding them to config/postfix-relaymap.cf with no destination. You can also do this via: setup.sh relay exclude-domain <domain> Extending the configuration file from above: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 @domain3.com This will cause email sent from domain3.com to be delivered directly.","title":"Excluding Sender Domains"},{"location":"config/advanced/mail-forwarding/relay-hosts/#references","text":"Thanks to the author of this article for the inspiration. This is also worth reading to understand a bit more about how to set up Mailgun to work with this.","title":"References"},{"location":"config/advanced/maintenance/update-and-cleanup/","text":"Automatic Update Docker images are handy but it can get a a hassle to keep them updated. Also when a repository is automated you want to get these images when they get out. One could setup a complex action/hook-based workflow using probes, but there is a nice, easy to use docker image that solves this issue and could prove useful: watchtower . A docker-compose example: services : watchtower : restart : always image : containrrr/watchtower:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Automatic Cleanup When you are pulling new images in automatically, it would be nice to have them cleaned up as well. There is also a docker image for this: spotify/docker-gc . A docker-compose example: services : docker-gc : restart : always image : spotify/docker-gc:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Or you can just use the --cleanup option provided by containrrr/watchtower .","title":"Update and Cleanup"},{"location":"config/advanced/maintenance/update-and-cleanup/#automatic-update","text":"Docker images are handy but it can get a a hassle to keep them updated. Also when a repository is automated you want to get these images when they get out. One could setup a complex action/hook-based workflow using probes, but there is a nice, easy to use docker image that solves this issue and could prove useful: watchtower . A docker-compose example: services : watchtower : restart : always image : containrrr/watchtower:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual","title":"Automatic Update"},{"location":"config/advanced/maintenance/update-and-cleanup/#automatic-cleanup","text":"When you are pulling new images in automatically, it would be nice to have them cleaned up as well. There is also a docker image for this: spotify/docker-gc . A docker-compose example: services : docker-gc : restart : always image : spotify/docker-gc:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Or you can just use the --cleanup option provided by containrrr/watchtower .","title":"Automatic Cleanup"},{"location":"config/advanced/override-defaults/dovecot/","text":"Add Configuration The Dovecot default configuration can easily be extended providing a config/dovecot.cf file. Dovecot documentation remains the best place to find configuration options. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md One common option to change is the maximum number of connections per user: mail_max_userip_connections = 100 Another important option is the default_process_limit (defaults to 100 ). If high-security mode is enabled you'll need to make sure this count is higher than the maximum number of users that can be logged in simultaneously. This limit is quickly reached if users connect to the mail server with multiple end devices. Override Configuration For major configuration changes it\u2019s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the volumes key. services : mail : volumes : - maildata:/var/mail - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf Debugging To debug your dovecot configuration you can use: This command: ./setup.sh debug login doveconf | grep <some-keyword> Or: docker exec -it <your-container-name> doveconf | grep <some-keyword> Note setup.sh is included in the docker-mailserver repository. Make sure to grap the one matching your image version. The config/dovecot.cf is copied internally to /etc/dovecot/local.conf . To check this file run: docker exec -it <your-container-name> cat /etc/dovecot/local.conf","title":"Dovecot"},{"location":"config/advanced/override-defaults/dovecot/#add-configuration","text":"The Dovecot default configuration can easily be extended providing a config/dovecot.cf file. Dovecot documentation remains the best place to find configuration options. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md One common option to change is the maximum number of connections per user: mail_max_userip_connections = 100 Another important option is the default_process_limit (defaults to 100 ). If high-security mode is enabled you'll need to make sure this count is higher than the maximum number of users that can be logged in simultaneously. This limit is quickly reached if users connect to the mail server with multiple end devices.","title":"Add Configuration"},{"location":"config/advanced/override-defaults/dovecot/#override-configuration","text":"For major configuration changes it\u2019s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the volumes key. services : mail : volumes : - maildata:/var/mail - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf","title":"Override Configuration"},{"location":"config/advanced/override-defaults/dovecot/#debugging","text":"To debug your dovecot configuration you can use: This command: ./setup.sh debug login doveconf | grep <some-keyword> Or: docker exec -it <your-container-name> doveconf | grep <some-keyword> Note setup.sh is included in the docker-mailserver repository. Make sure to grap the one matching your image version. The config/dovecot.cf is copied internally to /etc/dovecot/local.conf . To check this file run: docker exec -it <your-container-name> cat /etc/dovecot/local.conf","title":"Debugging"},{"location":"config/advanced/override-defaults/postfix/","text":"The Postfix default configuration can easily be extended by providing a config/postfix-main.cf in postfix format. This can also be used to add configuration that is not in our default configuration. For example, one common use of this file is for increasing the default maximum message size: # increase maximum message size message_size_limit = 52428800 That specific example is now supported and can be handled by setting POSTFIX_MESSAGE_SIZE_LIMIT . Seealso Postfix documentation remains the best place to find configuration options. Each line in the provided file will be loaded into postfix. In the same way it is possible to add a custom config/postfix-master.cf file that will override the standard master.cf . Each line in the file will be passed to postconf -P . The expected format is <service_name>/<type>/<parameter> , for example: submission/inet/smtpd_reject_unlisted_recipient = no Run postconf -P in the container without arguments to see the active master options. Note There should be no space between the parameter and the value. Have a look at the code for more information.","title":"Postfix"},{"location":"config/best-practices/autodiscover/","text":"Email auto-discovery means a client email is able to automagically find out about what ports and security options to use, based on the mail server URL. It can help simplify the tedious / confusing task of adding own's email account for non-tech savvy users. Email clients will search for auto-discoverable settings and prefill almost everything when a user enters its email address There exists autodiscover-email-settings on which provides IMAP/POP/SMTP/LDAP autodiscover capabilities on Microsoft Outlook/Apple Mail, autoconfig capabilities for Thunderbird or kmail and configuration profiles for iOS/Apple Mail.","title":"Auto-discovery"},{"location":"config/best-practices/dkim/","text":"DKIM is a security measure targeting email spoofing. It is greatly recommended one activates it. Seealso See the Wikipedia page for more details on DKIM. Enabling DKIM Signature To enable DKIM signature, you must have created at least one email account . Once its done, just run the following command to generate the signature: ./setup.sh config dkim After generating DKIM keys, you should restart the mail server. DNS edits may take a few minutes to hours to propagate. The script assumes you're being in the directory where the config/ directory is located. The default keysize when generating the signature is 4096 bits for now. If you need to change it (e.g. your DNS provider limits the size), then provide the size as the first parameter of the command: ./setup.sh config dkim keysize <keysize> For LDAP systems that do not have any directly created user account you can run the following command (since 8.0.0 ) to generate the signature by additionally providing the desired domain name (if you have multiple domains use the command multiple times or provide a comma-separated list of domains): ./setup.sh config dkim keysize <key-size> domain <domain.tld> [ ,<domain2.tld> ] Now the keys are generated, you can configure your DNS server with DKIM signature, simply by adding a TXT record. If you have direct access to your DNS zone file, then it's only a matter of pasting the content of config/opendkim/keys/domain.tld/mail.txt in your domain.tld.hosts zone. $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; p=AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN\" Configuration using a Web Interface Generate a new record of the type TXT . Paste mail._domainkey the Name txt field. In the Target or Value field fill in v=DKIM1; k=rsa; p=AZERTYUGHJKLMWX... . In TTL (time to live): Time span in seconds. How long the DNS server should cache the TXT record. Save. Note Sometimes the key in config/opendkim/keys/domain.tld/mail.txt can be on multiple lines. If so then you need to concatenate the values in the TXT record: $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; \" \"p=AZERTYUIOPQSDF...\" \"asdfQWERTYUIOPQSDF...\" The target (or value) field must then have all the parts together: v=DKIM1; k=rsa; p=AZERTYUIOPQSDF...asdfQWERTYUIOPQSDF... Verify-Only If you want DKIM to only verify incoming emails, the following version of /etc/opendkim.conf may be useful (right now there is no easy mechanism for installing it other than forking the repo): # This is a simple config file verifying messages only #LogWhy yes Syslog yes SyslogSuccess yes Socket inet:12301@localhost PidFile /var/run/opendkim/opendkim.pid ReportAddress postmaster@my-domain.com SendReports yes Mode v Switch Off DKIM Simply remove the DKIM key by recreating (not just relaunching) the mailserver container. Debugging DKIM-verifer : A add-on for the mail client Thunderbird. You can debug your TXT records with the dig tool. $ dig TXT mail._domainkey.domain.tld --- ; <<>> DiG 9.10.3-P4-Debian <<>> TXT mail._domainkey.domain.tld ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39669 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mail._domainkey.domain.tld. IN TXT ;; ANSWER SECTION: mail._domainkey.domain.tld. 3600 IN TXT \"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxBSjG6RnWAdU3oOlqsdf2WC0FOUmU8uHVrzxPLW2R3yRBPGLrGO1++yy3tv6kMieWZwEBHVOdefM6uQOQsZ4brahu9lhG8sFLPX4MaKYN/NR6RK4gdjrZu+MYSdfk3THgSbNwIDAQAB\" ;; Query time: 50 msec ;; SERVER: 127.0.1.1#53(127.0.1.1) ;; WHEN: Wed Sep 07 18:22:57 CEST 2016 ;; MSG SIZE rcvd: 310 Key sizes >=4096-bit Keys of 4096 bits could de denied by some mailservers. According to https://tools.ietf.org/html/rfc6376 keys are preferably between 512 and 2048 bits. See issue #1854 .","title":"DKIM"},{"location":"config/best-practices/dkim/#enabling-dkim-signature","text":"To enable DKIM signature, you must have created at least one email account . Once its done, just run the following command to generate the signature: ./setup.sh config dkim After generating DKIM keys, you should restart the mail server. DNS edits may take a few minutes to hours to propagate. The script assumes you're being in the directory where the config/ directory is located. The default keysize when generating the signature is 4096 bits for now. If you need to change it (e.g. your DNS provider limits the size), then provide the size as the first parameter of the command: ./setup.sh config dkim keysize <keysize> For LDAP systems that do not have any directly created user account you can run the following command (since 8.0.0 ) to generate the signature by additionally providing the desired domain name (if you have multiple domains use the command multiple times or provide a comma-separated list of domains): ./setup.sh config dkim keysize <key-size> domain <domain.tld> [ ,<domain2.tld> ] Now the keys are generated, you can configure your DNS server with DKIM signature, simply by adding a TXT record. If you have direct access to your DNS zone file, then it's only a matter of pasting the content of config/opendkim/keys/domain.tld/mail.txt in your domain.tld.hosts zone. $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; p=AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN\"","title":"Enabling DKIM Signature"},{"location":"config/best-practices/dkim/#configuration-using-a-web-interface","text":"Generate a new record of the type TXT . Paste mail._domainkey the Name txt field. In the Target or Value field fill in v=DKIM1; k=rsa; p=AZERTYUGHJKLMWX... . In TTL (time to live): Time span in seconds. How long the DNS server should cache the TXT record. Save. Note Sometimes the key in config/opendkim/keys/domain.tld/mail.txt can be on multiple lines. If so then you need to concatenate the values in the TXT record: $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; \" \"p=AZERTYUIOPQSDF...\" \"asdfQWERTYUIOPQSDF...\" The target (or value) field must then have all the parts together: v=DKIM1; k=rsa; p=AZERTYUIOPQSDF...asdfQWERTYUIOPQSDF...","title":"Configuration using a Web Interface"},{"location":"config/best-practices/dkim/#verify-only","text":"If you want DKIM to only verify incoming emails, the following version of /etc/opendkim.conf may be useful (right now there is no easy mechanism for installing it other than forking the repo): # This is a simple config file verifying messages only #LogWhy yes Syslog yes SyslogSuccess yes Socket inet:12301@localhost PidFile /var/run/opendkim/opendkim.pid ReportAddress postmaster@my-domain.com SendReports yes Mode v","title":"Verify-Only"},{"location":"config/best-practices/dkim/#switch-off-dkim","text":"Simply remove the DKIM key by recreating (not just relaunching) the mailserver container.","title":"Switch Off DKIM"},{"location":"config/best-practices/dkim/#debugging","text":"DKIM-verifer : A add-on for the mail client Thunderbird. You can debug your TXT records with the dig tool. $ dig TXT mail._domainkey.domain.tld --- ; <<>> DiG 9.10.3-P4-Debian <<>> TXT mail._domainkey.domain.tld ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39669 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mail._domainkey.domain.tld. IN TXT ;; ANSWER SECTION: mail._domainkey.domain.tld. 3600 IN TXT \"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxBSjG6RnWAdU3oOlqsdf2WC0FOUmU8uHVrzxPLW2R3yRBPGLrGO1++yy3tv6kMieWZwEBHVOdefM6uQOQsZ4brahu9lhG8sFLPX4MaKYN/NR6RK4gdjrZu+MYSdfk3THgSbNwIDAQAB\" ;; Query time: 50 msec ;; SERVER: 127.0.1.1#53(127.0.1.1) ;; WHEN: Wed Sep 07 18:22:57 CEST 2016 ;; MSG SIZE rcvd: 310 Key sizes >=4096-bit Keys of 4096 bits could de denied by some mailservers. According to https://tools.ietf.org/html/rfc6376 keys are preferably between 512 and 2048 bits. See issue #1854 .","title":"Debugging"},{"location":"config/best-practices/dmarc/","text":"Seealso DMARC Guide: https://github.com/internetstandards/toolbox-wiki/blob/master/DMARC-how-to.md Enabling DMARC In docker-mailserver , DMARC is pre-configured out-of the box. The only thing you need to do in order to enable it, is to add new TXT entry to your DNS. In contrast with DKIM , DMARC DNS entry does not require any keys, but merely setting the configuration values . You can either handcraft the entry by yourself or use one of available generators (like https://dmarcguide.globalcyberalliance.org/ ). Typically something like this should be good to start with (don't forget to replace @domain.com to your actual domain) _dmarc.domain.com. IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; sp=none; ri=86400\" Or a bit more strict policies (mind p=quarantine and sp=quarantine ): _dmarc IN TXT \"v=DMARC1; p=quarantine; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine\" DMARC status is not being displayed instantly in Gmail for instance. If you want to check it directly after DNS entries, you can use some services around the Internet such as https://dmarcguide.globalcyberalliance.org/ or https://ondmarc.redsift.com/ . In other case, email clients will show \"DMARC: PASS\" in ~1 day or so. Reference: #1511","title":"DMARC"},{"location":"config/best-practices/dmarc/#enabling-dmarc","text":"In docker-mailserver , DMARC is pre-configured out-of the box. The only thing you need to do in order to enable it, is to add new TXT entry to your DNS. In contrast with DKIM , DMARC DNS entry does not require any keys, but merely setting the configuration values . You can either handcraft the entry by yourself or use one of available generators (like https://dmarcguide.globalcyberalliance.org/ ). Typically something like this should be good to start with (don't forget to replace @domain.com to your actual domain) _dmarc.domain.com. IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; sp=none; ri=86400\" Or a bit more strict policies (mind p=quarantine and sp=quarantine ): _dmarc IN TXT \"v=DMARC1; p=quarantine; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine\" DMARC status is not being displayed instantly in Gmail for instance. If you want to check it directly after DNS entries, you can use some services around the Internet such as https://dmarcguide.globalcyberalliance.org/ or https://ondmarc.redsift.com/ . In other case, email clients will show \"DMARC: PASS\" in ~1 day or so. Reference: #1511","title":"Enabling DMARC"},{"location":"config/best-practices/spf/","text":"From Wikipedia : Quote Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators. The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged \"from\" addresses, so publishing and checking SPF records can be considered anti-spam techniques. Seealso For a more technical review: https://github.com/internetstandards/toolbox-wiki/blob/master/SPF-how-to.md Add a SPF Record To add a SPF record in your DNS, insert the following line in your DNS zone: ; MX record must be declared for SPF to work domain.com. IN MX 1 mail.domain.com. ; SPF record domain.com. IN TXT \"v=spf1 mx ~all\" This enables the Softfail mode for SPF. You could first add this SPF record with a very low TTL. SoftFail is a good setting for getting started and testing, as it lets all email through, with spams tagged as such in the mailbox. After verification, you might want to change your SPF record to v=spf1 mx -all so as to enforce the HardFail policy. See http://www.open-spf.org/SPF_Record_Syntax for more details about SPF policies. In any case, increment the SPF record's TTL to its final value. Backup MX, Secondary MX For whitelisting a IP Address from the SPF test, you can create a config file (see policyd-spf.conf ) and mount that file into /etc/postfix-policyd-spf-python/policyd-spf.conf . Example: Create and edit a policyd-spf.conf file here /<your docker-mailserver dir>/config/postfix-policyd-spf.conf : debugLevel = 1 #0(only errors)-4(complete data received) skip_addresses = 127.0.0.0/8,::ffff:127.0.0.0/104,::1 # Preferably use IP-Addresses for whitelist lookups: Whitelist = 192.168.0.0/31,192.168.1.0/30 # Domain_Whitelist = mx1.mybackupmx.com,mx2.mybackupmx.com Then add this line to docker-compose.yml : volumes : - ./config/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf","title":"SPF"},{"location":"config/best-practices/spf/#add-a-spf-record","text":"To add a SPF record in your DNS, insert the following line in your DNS zone: ; MX record must be declared for SPF to work domain.com. IN MX 1 mail.domain.com. ; SPF record domain.com. IN TXT \"v=spf1 mx ~all\" This enables the Softfail mode for SPF. You could first add this SPF record with a very low TTL. SoftFail is a good setting for getting started and testing, as it lets all email through, with spams tagged as such in the mailbox. After verification, you might want to change your SPF record to v=spf1 mx -all so as to enforce the HardFail policy. See http://www.open-spf.org/SPF_Record_Syntax for more details about SPF policies. In any case, increment the SPF record's TTL to its final value.","title":"Add a SPF Record"},{"location":"config/best-practices/spf/#backup-mx-secondary-mx","text":"For whitelisting a IP Address from the SPF test, you can create a config file (see policyd-spf.conf ) and mount that file into /etc/postfix-policyd-spf-python/policyd-spf.conf . Example: Create and edit a policyd-spf.conf file here /<your docker-mailserver dir>/config/postfix-policyd-spf.conf : debugLevel = 1 #0(only errors)-4(complete data received) skip_addresses = 127.0.0.0/8,::ffff:127.0.0.0/104,::1 # Preferably use IP-Addresses for whitelist lookups: Whitelist = 192.168.0.0/31,192.168.1.0/30 # Domain_Whitelist = mx1.mybackupmx.com,mx2.mybackupmx.com Then add this line to docker-compose.yml : volumes : - ./config/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf","title":"Backup MX, Secondary MX"},{"location":"config/security/fail2ban/","text":"Fail2Ban is installed automatically and bans IP addresses for 3 hours after 3 failed attempts in 10 minutes by default. If you want to change this, you can easily edit config/fail2ban-jail.cf . You can do the same with the values from fail2ban.conf , e.g dbpurgeage . In that case you need to edit config/fail2ban-fail2ban.cf . Attention The mail container must be launched with the NET_ADMIN capability in order to be able to install the iptable rules that actually ban IP addresses. Thus either include --cap-add=NET_ADMIN in the docker run commandline or the equivalent docker-compose.yml : cap_add : - NET_ADMIN If you don't you will see errors the form of: iptables -w -X f2b-postfix -- stderr: \"getsockopt failed strangely: Operation not permitted\\niptables v1.4.21: can't initialize iptabl es table `filter': Permission denied (you must be root)\\nPerhaps iptables or your kernel needs to be upgraded.\\niptables v1.4.21: can' t initialize iptables table `filter': Permission denied (you must be root)\\nPerhaps iptables or your kernel needs to be upgraded.\\n\" 2016-06-01 00:53:51,284 fail2ban.action [678]: ERROR iptables -w -D INPUT -p tcp -m multiport --dports smtp,465,submission - j f2b-postfix You can also manage and list the banned IPs with the setup.sh script.","title":"Fail2Ban"},{"location":"config/security/ssl/","text":"There are multiple options to enable SSL: Using letsencrypt (recommended) Using Caddy Using Traefik Using self-signed certificates with the provided tool Using your own certificates After installation, you can test your setup with: checktls.com testssl.sh Let's Encrypt (Recommended) To enable Let's Encrypt on your mail server, you have to: Get your certificate using letsencrypt client Add an environment variable SSL_TYPE with value letsencrypt (see docker-compose.yml ) Mount your whole letsencrypt folder to /etc/letsencrypt The certs folder name located in letsencrypt/live/ must be the fqdn of your container responding to the hostname command. The fqdn (full qualified domain name) inside the docker container is built combining the hostname and domainname values of the docker-compose file, eg: services : mail : hostname : mail domainname : myserver.tld fqdn : mail.myserver.tld You don't have anything else to do. Enjoy. Example using Docker for Let's Encrypt Make a directory to store your letsencrypt logs and configs. In my case: mkdir -p /home/ubuntu/docker/letsencrypt cd /home/ubuntu/docker/letsencrypt Now get the certificate (modify mail.myserver.tld ) and following the certbot instructions. This will need access to port 80 from the internet, adjust your firewall if needed: docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ certbot/certbot certonly --standalone -d mail.myserver.tld You can now mount /home/ubuntu/docker/letsencrypt/etc/ in /etc/letsencrypt of docker-mailserver . To renew your certificate just run (this will need access to port 443 from the internet, adjust your firewall if needed): docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ -p 443 :443 \\ certbot/certbot renew Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion If you are running a web server already, it is non-trivial to generate a Let's Encrypt certificate for your mail server using certbot , because port 80 is already occupied. In the following example, we show how docker-mailserver can be run alongside the docker containers nginx-proxy and letsencrypt-nginx-proxy-companion . There are several ways to start nginx-proxy and letsencrypt-nginx-proxy-companion . Any method should be suitable here. For example start nginx-proxy as in the letsencrypt-nginx-proxy-companion documentation : docker run --detach \\ --name nginx-proxy \\ --restart always \\ --publish 80 :80 \\ --publish 443 :443 \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:ro \\ --volume /etc/nginx/vhost.d \\ --volume /usr/share/nginx/html \\ --volume /var/run/docker.sock:/tmp/docker.sock:ro \\ jwilder/nginx-proxy Then start nginx-proxy-letsencrypt : docker run --detach \\ --name nginx-proxy-letsencrypt \\ --restart always \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:rw \\ --volumes-from nginx-proxy \\ --volume /var/run/docker.sock:/var/run/docker.sock:ro \\ jrcs/letsencrypt-nginx-proxy-companion Start the rest of your web server containers as usual. Start another container for your mail.myserver.tld . This will generate a Let's Encrypt certificate for your domain, which can be used by docker-mailserver . It will also run a web server on port 80 at that address: docker run -d \\ --name webmail \\ -e \"VIRTUAL_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_EMAIL=foo@bar.com\" \\ library/nginx You may want to add -e LETSENCRYPT_TEST=true to the above while testing to avoid the Let's Encrypt certificate generation rate limits. Finally, start the mailserver with the docker-compose.yml . Make sure your mount path to the letsencrypt certificates is correct. Inside your /path/to/mailserver/docker-compose.yml (for the mailserver from this repo) make sure volumes look like below example: volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /server/letsencrypt/etc:/etc/letsencrypt/live Then: /path/to/mailserver/docker-compose up -d mail Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion with docker-compose The following docker-compose.yml is the basic setup you need for using letsencrypt-nginx-proxy-companion . It is mainly derived from its own wiki/documenation. Example Code version : \"2\" services : nginx : image : nginx container_name : nginx ports : - 80:80 - 443:443 volumes : - /mnt/data/nginx/htpasswd:/etc/nginx/htpasswd - /mnt/data/nginx/conf.d:/etc/nginx/conf.d - /mnt/data/nginx/vhost.d:/etc/nginx/vhost.d - /mnt/data/nginx/html:/usr/share/nginx/html - /mnt/data/nginx/certs:/etc/nginx/certs:ro networks : - proxy-tier restart : always nginx-gen : image : jwilder/docker-gen container_name : nginx-gen volumes : - /var/run/docker.sock:/tmp/docker.sock:ro - /mnt/data/nginx/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro volumes_from : - nginx entrypoint : /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf restart : always letsencrypt-nginx-proxy-companion : image : jrcs/letsencrypt-nginx-proxy-companion container_name : letsencrypt-companion volumes_from : - nginx volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /mnt/data/nginx/certs:/etc/nginx/certs:rw environment : - NGINX_DOCKER_GEN_CONTAINER=nginx-gen - DEBUG=false restart : always networks : proxy-tier : external : name : nginx-proxy The second part of the setup is the actual mail container. So, in another folder, create another docker-compose.yml with the following content (Removed all ENV variables for this example): Example Code version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : ${HOSTNAME} domainname : ${DOMAINNAME} container_name : ${CONTAINER_NAME} ports : - \"25:25\" - \"143:143\" - \"465:465\" - \"587:587\" - \"993:993\" volumes : - ./mail:/var/mail - ./mail-state:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /mnt/data/nginx/certs/:/etc/letsencrypt/live/:ro cap_add : - NET_ADMIN - SYS_PTRACE restart : always cert-companion : image : nginx environment : - \"VIRTUAL_HOST=\" - \"VIRTUAL_NETWORK=nginx-proxy\" - \"LETSENCRYPT_HOST=\" - \"LETSENCRYPT_EMAIL=\" networks : - proxy-tier restart : always networks : proxy-tier : external : name : nginx-proxy The mail container needs to have the letsencrypt certificate folder mounted as a volume. No further changes are needed. The second container is a dummy-sidecar we need, because the mail-container do not expose any web-ports. Set your ENV variables as you need. ( VIRTUAL_HOST and LETSENCRYPT_HOST are mandandory, see documentation) Example using the Let's Encrypt Certificates on a Synology NAS Version 6.2 and later of the Synology NAS DSM OS now come with an interface to generate and renew letencrypt certificates. Navigation into your DSM control panel and go to Security, then click on the tab Certificate to generate and manage letsencrypt certificates. Amongst other things, you can use these to secure your mail server. DSM locates the generated certificates in a folder below /usr/syno/etc/certificate/_archive/ . Navigate to that folder and note the 6 character random folder name of the certificate you'd like to use. Then, add the following to your docker-compose.yml declaration file: volumes : - /usr/syno/etc/certificate/_archive/<your-folder>/:/tmp/ssl environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/fullchain.pem - SSL_KEY_PATH=/tmp/ssl/privkey.pem DSM-generated letsencrypt certificates get auto-renewed every three months. Caddy If you are using Caddy to renew your certificates, please note that only RSA certificates work. Read #1440 for details. In short for Caddy v1 the Caddyfile should look something like: https://mail.domain.com { tls yourcurrentemail@gmail.com { key_type rsa2048 } } For Caddy v2 you can specify the key_type in your server's global settings, which would end up looking something like this if you're using a Caddyfile : { debug admin localhost:2019 http_port 80 https_port 443 default_sni mywebserver.com key_type rsa4096 } If you are instead using a json config for Caddy v2, you can set it in your site's TLS automation policies: Example Code { \"apps\" : { \"http\" : { \"servers\" : { \"srv0\" : { \"listen\" : [ \":443\" ], \"routes\" : [ { \"match\" : [ { \"host\" : [ \"mail.domain.com\" , ] } ], \"handle\" : [ { \"handler\" : \"subroute\" , \"routes\" : [ { \"handle\" : [ { \"body\" : \"\" , \"handler\" : \"static_response\" } ] } ] } ], \"terminal\" : true }, ] } } }, \"tls\" : { \"automation\" : { \"policies\" : [ { \"subjects\" : [ \"mail.domain.com\" , ], \"key_type\" : \"rsa2048\" , \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } }, { \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } } ] } } } } The generated certificates can be mounted: volumes : - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.crt:/etc/letsencrypt/live/mail.domain.com/fullchain.pem - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.key:/etc/letsencrypt/live/mail.domain.com/privkey.pem EC certificates fail in the TLS handshake: CONNECTED(00000003) 140342221178112:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:ssl/record/rec_layer_s3.c:1543:SSL alert number 40 no peer certificate available No client certificate CA names sent Traefik Traefik is an open-source Edge Router which handles ACME protocol using lego . Traefik can request certificates for domains through the ACME protocol (see Traefik's documentation about its ACME negotiation & storage mechanism ). Traefik's router will take care of renewals, challenge negotiations, etc. Traefik v2 (For Traefik v1 see next section ) Traefik's V2 storage format is natively supported if the acme.json store is mounted into the container at /etc/letsencrypt/acme.json . The file is also monitored for changes and will trigger a reload of the mail services. Lookup of the certificate domain happens in the following order: $SSL_DOMAIN $HOSTNAME $DOMAINNAME This allows for support of wild card certificates: SSL_DOMAIN=*.example.com . Here is an example setup for docker-compose : Example Code version : '3.8' services : mail : image : mailserver/docker-mailserver:stable hostname : mail domainname : example.com volumes : - /etc/ssl/acme-v2.json:/etc/letsencrypt/acme.json:ro environment : SSL_TYPE : letsencrypt # SSL_DOMAIN: \"*.example.com\" traefik : image : traefik:v2.2 restart : always ports : - \"80:80\" - \"443:443\" command : - --providers.docker - --entrypoints.web.address=:80 - --entrypoints.web.http.redirections.entryPoint.to=websecure - --entrypoints.web.http.redirections.entryPoint.scheme=https - --entrypoints.websecure.address=:443 - --entrypoints.websecure.http.middlewares=hsts@docker - --entrypoints.websecure.http.tls.certResolver=le - --certificatesresolvers.le.acme.email=admin@example.net - --certificatesresolvers.le.acme.storage=/acme.json - --certificatesresolvers.le.acme.httpchallenge.entrypoint=web volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /etc/ssl/acme-v2.json:/acme.json whoami : image : containous/whoami labels : - \"traefik.http.routers.whoami.rule=Host(`mail.example.com`)\" This setup only comes with one caveat: The domain has to be configured on another service for traefik to actually request it from lets-encrypt ( whoami in this case). Traefik v1 If you are using Traefik v1, you might want to push your Traefik-managed certificates to the mailserver container, in order to reuse them. Not an easy task, but fortunately, youtous/mailserver-traefik is a certificate renewal service for docker-mailserver . Depending of your Traefik configuration, certificates may be stored using a file or a KV Store (consul, etcd...) Either way, certificates will be renewed by Traefik, then automatically pushed to the mailserver thanks to the cert-renewer service. Finally, dovecot and postfix will be restarted. Self-Signed Certificates Warning Use self-signed certificates only for testing purposes! You can generate a self-signed SSL certificate by using the following command: docker run -it --rm -v \" $( pwd ) \" /config/ssl:/tmp/docker-mailserver/ssl -h mail.my-domain.com -t mailserver/docker-mailserver generate-ssl-certificate # Press enter # Enter a password when needed # Fill information like Country, Organisation name # Fill \"my-domain.com\" as FQDN for CA, and \"mail.my-domain.com\" for the certificate. # They HAVE to be different, otherwise you'll get a `TXT_DB error number 2` # Don't fill extras # Enter same password when needed # Sign the certificate? [y/n]:y # 1 out of 1 certificate requests certified, commit? [y/n]y # will generate: # config/ssl/mail.my-domain.com-key.pem (used in postfix) # config/ssl/mail.my-domain.com-req.pem (only used to generate other files) # config/ssl/mail.my-domain.com-cert.pem (used in postfix) # config/ssl/mail.my-domain.com-combined.pem (used in courier) # config/ssl/demoCA/cacert.pem (certificate authority) Note The certificate will be generate for the container fqdn , that is passed as -h argument. Check the following page for more information regarding postfix and SSL/TLS configuration . To use the certificate: Add SSL_TYPE=self-signed to your container environment variables If a matching certificate (files listed above) is found in config/ssl , it will be automatically setup in postfix and dovecot. You just have to place them in config/ssl folder. Custom Certificate Files You can also provide your own certificate files. Add these entries to your docker-compose.yml : volumes : - /etc/ssl:/tmp/ssl:ro environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/cert/public.crt - SSL_KEY_PATH=/tmp/ssl/private/private.key This will mount the path where your ssl certificates reside as read-only under /tmp/ssl . Then all you have to do is to specify the location of your private key and the certificate. Info You may have to restart your mailserver once the certificates change. Testing a Certificate is Valid From your host: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ Or: docker exec mail openssl s_client \\ -connect 0 .0.0.0:143 \\ -starttls imap \\ -CApath /etc/ssl/certs/ And you should see the certificate chain, the server certificate and: Verify return code: 0 (ok) In addition, to verify certificate dates: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ \\ 2 >/dev/null | openssl x509 -noout -dates Plain-Text Access Warning Not recommended for purposes other than testing. Add this to config/dovecot.cf : ssl = yes disable_plaintext_auth = no These options in conjunction mean: SSL/TLS is offered to the client, but the client isn't required to use it. The client is allowed to login with plaintext authentication even when SSL/TLS isn't enabled on the connection. This is insecure , because the plaintext password is exposed to the internet. Importing Certificates Obtained via Another Source If you have another source for SSL/TLS certificates you can import them into the server via an external script. The external script can be found here: external certificate import script . The steps to follow are these: Transport the new certificates to ./config/ssl ( /tmp/ssl in the container) You should provide fullchain.key and privkey.pem Place the script in ./config/ (or /tmp/docker-mailserver/ inside the container) Make the script executable ( chmod +x tomav-renew-certs.sh ) Run the script: docker exec mail /tmp/docker-mailserver/tomav-renew-certs.sh If an error occurs the script will inform you. If not you will see both postfix and dovecot restart. After the certificates have been loaded you can check the certificate: openssl s_client \\ -servername mail.mydomain.net \\ -connect 192 .168.0.72:465 \\ 2 >/dev/null | openssl x509 # or openssl s_client \\ -servername mail.mydomain.net \\ -connect mail.mydomain.net:465 \\ 2 >/dev/null | openssl x509 Or you can check how long the new certificate is valid with commands like: export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.0.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot ##works: check if certificate will expire in two weeks #2 weeks is 1209600 seconds #3 weeks is 1814400 #12 weeks is 7257600 #15 weeks is 9072000 certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### What does the script that imports the certificates do: Check if there are new certs in the /tmp/ssl folder. Check with the ssl cert fingerprint if they differ from the current certificates. If so it will copy the certs to the right places. And restart postfix and dovecot. You can of course run the script by cron once a week or something. In that way you could automate cert renewal. If you do so it is probably wise to run an automated check on certificate expiry as well. Such a check could look something like this: ## code below will alert if certificate expires in less than two weeks ## please adjust varables! ## make sure the mail -s command works! Test! export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.2.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot export ALERT_EMAIL_ADDR = \"bill@gates321boom.com\" certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### #echo \"certcheck 2 weeks gives $certcheck_2weeks\" ##automated check you might run by cron or something ## does tls/ssl certificate expire within two weeks? if [ \" $certcheck_2weeks \" = \"Certificate will not expire\" ] ; then echo \"all is well, certwatch 2 weeks says $certcheck_2weeks \" else echo \"Cert seems to be expiring pretty soon, within two weeks: $certcheck_2weeks \" echo \"we will send an alert email and log as well\" logger Certwatch: cert $SITE_URL will expire in two weeks echo \"Certwatch: cert $SITE_URL will expire in two weeks\" | mail -s \"cert $SITE_URL expires in two weeks \" $ALERT_EMAIL_ADDR fi","title":"SSL/TLS"},{"location":"config/security/ssl/#lets-encrypt-recommended","text":"To enable Let's Encrypt on your mail server, you have to: Get your certificate using letsencrypt client Add an environment variable SSL_TYPE with value letsencrypt (see docker-compose.yml ) Mount your whole letsencrypt folder to /etc/letsencrypt The certs folder name located in letsencrypt/live/ must be the fqdn of your container responding to the hostname command. The fqdn (full qualified domain name) inside the docker container is built combining the hostname and domainname values of the docker-compose file, eg: services : mail : hostname : mail domainname : myserver.tld fqdn : mail.myserver.tld You don't have anything else to do. Enjoy.","title":"Let's Encrypt (Recommended)"},{"location":"config/security/ssl/#example-using-docker-for-lets-encrypt","text":"Make a directory to store your letsencrypt logs and configs. In my case: mkdir -p /home/ubuntu/docker/letsencrypt cd /home/ubuntu/docker/letsencrypt Now get the certificate (modify mail.myserver.tld ) and following the certbot instructions. This will need access to port 80 from the internet, adjust your firewall if needed: docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ certbot/certbot certonly --standalone -d mail.myserver.tld You can now mount /home/ubuntu/docker/letsencrypt/etc/ in /etc/letsencrypt of docker-mailserver . To renew your certificate just run (this will need access to port 443 from the internet, adjust your firewall if needed): docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ -p 443 :443 \\ certbot/certbot renew","title":"Example using Docker for Let's Encrypt"},{"location":"config/security/ssl/#example-using-docker-nginx-proxy-and-letsencrypt-nginx-proxy-companion","text":"If you are running a web server already, it is non-trivial to generate a Let's Encrypt certificate for your mail server using certbot , because port 80 is already occupied. In the following example, we show how docker-mailserver can be run alongside the docker containers nginx-proxy and letsencrypt-nginx-proxy-companion . There are several ways to start nginx-proxy and letsencrypt-nginx-proxy-companion . Any method should be suitable here. For example start nginx-proxy as in the letsencrypt-nginx-proxy-companion documentation : docker run --detach \\ --name nginx-proxy \\ --restart always \\ --publish 80 :80 \\ --publish 443 :443 \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:ro \\ --volume /etc/nginx/vhost.d \\ --volume /usr/share/nginx/html \\ --volume /var/run/docker.sock:/tmp/docker.sock:ro \\ jwilder/nginx-proxy Then start nginx-proxy-letsencrypt : docker run --detach \\ --name nginx-proxy-letsencrypt \\ --restart always \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:rw \\ --volumes-from nginx-proxy \\ --volume /var/run/docker.sock:/var/run/docker.sock:ro \\ jrcs/letsencrypt-nginx-proxy-companion Start the rest of your web server containers as usual. Start another container for your mail.myserver.tld . This will generate a Let's Encrypt certificate for your domain, which can be used by docker-mailserver . It will also run a web server on port 80 at that address: docker run -d \\ --name webmail \\ -e \"VIRTUAL_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_EMAIL=foo@bar.com\" \\ library/nginx You may want to add -e LETSENCRYPT_TEST=true to the above while testing to avoid the Let's Encrypt certificate generation rate limits. Finally, start the mailserver with the docker-compose.yml . Make sure your mount path to the letsencrypt certificates is correct. Inside your /path/to/mailserver/docker-compose.yml (for the mailserver from this repo) make sure volumes look like below example: volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /server/letsencrypt/etc:/etc/letsencrypt/live Then: /path/to/mailserver/docker-compose up -d mail","title":"Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion"},{"location":"config/security/ssl/#example-using-docker-nginx-proxy-and-letsencrypt-nginx-proxy-companion-with-docker-compose","text":"The following docker-compose.yml is the basic setup you need for using letsencrypt-nginx-proxy-companion . It is mainly derived from its own wiki/documenation. Example Code version : \"2\" services : nginx : image : nginx container_name : nginx ports : - 80:80 - 443:443 volumes : - /mnt/data/nginx/htpasswd:/etc/nginx/htpasswd - /mnt/data/nginx/conf.d:/etc/nginx/conf.d - /mnt/data/nginx/vhost.d:/etc/nginx/vhost.d - /mnt/data/nginx/html:/usr/share/nginx/html - /mnt/data/nginx/certs:/etc/nginx/certs:ro networks : - proxy-tier restart : always nginx-gen : image : jwilder/docker-gen container_name : nginx-gen volumes : - /var/run/docker.sock:/tmp/docker.sock:ro - /mnt/data/nginx/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro volumes_from : - nginx entrypoint : /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf restart : always letsencrypt-nginx-proxy-companion : image : jrcs/letsencrypt-nginx-proxy-companion container_name : letsencrypt-companion volumes_from : - nginx volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /mnt/data/nginx/certs:/etc/nginx/certs:rw environment : - NGINX_DOCKER_GEN_CONTAINER=nginx-gen - DEBUG=false restart : always networks : proxy-tier : external : name : nginx-proxy The second part of the setup is the actual mail container. So, in another folder, create another docker-compose.yml with the following content (Removed all ENV variables for this example): Example Code version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : ${HOSTNAME} domainname : ${DOMAINNAME} container_name : ${CONTAINER_NAME} ports : - \"25:25\" - \"143:143\" - \"465:465\" - \"587:587\" - \"993:993\" volumes : - ./mail:/var/mail - ./mail-state:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /mnt/data/nginx/certs/:/etc/letsencrypt/live/:ro cap_add : - NET_ADMIN - SYS_PTRACE restart : always cert-companion : image : nginx environment : - \"VIRTUAL_HOST=\" - \"VIRTUAL_NETWORK=nginx-proxy\" - \"LETSENCRYPT_HOST=\" - \"LETSENCRYPT_EMAIL=\" networks : - proxy-tier restart : always networks : proxy-tier : external : name : nginx-proxy The mail container needs to have the letsencrypt certificate folder mounted as a volume. No further changes are needed. The second container is a dummy-sidecar we need, because the mail-container do not expose any web-ports. Set your ENV variables as you need. ( VIRTUAL_HOST and LETSENCRYPT_HOST are mandandory, see documentation)","title":"Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion with docker-compose"},{"location":"config/security/ssl/#example-using-the-lets-encrypt-certificates-on-a-synology-nas","text":"Version 6.2 and later of the Synology NAS DSM OS now come with an interface to generate and renew letencrypt certificates. Navigation into your DSM control panel and go to Security, then click on the tab Certificate to generate and manage letsencrypt certificates. Amongst other things, you can use these to secure your mail server. DSM locates the generated certificates in a folder below /usr/syno/etc/certificate/_archive/ . Navigate to that folder and note the 6 character random folder name of the certificate you'd like to use. Then, add the following to your docker-compose.yml declaration file: volumes : - /usr/syno/etc/certificate/_archive/<your-folder>/:/tmp/ssl environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/fullchain.pem - SSL_KEY_PATH=/tmp/ssl/privkey.pem DSM-generated letsencrypt certificates get auto-renewed every three months.","title":"Example using the Let's Encrypt Certificates on a Synology NAS"},{"location":"config/security/ssl/#caddy","text":"If you are using Caddy to renew your certificates, please note that only RSA certificates work. Read #1440 for details. In short for Caddy v1 the Caddyfile should look something like: https://mail.domain.com { tls yourcurrentemail@gmail.com { key_type rsa2048 } } For Caddy v2 you can specify the key_type in your server's global settings, which would end up looking something like this if you're using a Caddyfile : { debug admin localhost:2019 http_port 80 https_port 443 default_sni mywebserver.com key_type rsa4096 } If you are instead using a json config for Caddy v2, you can set it in your site's TLS automation policies: Example Code { \"apps\" : { \"http\" : { \"servers\" : { \"srv0\" : { \"listen\" : [ \":443\" ], \"routes\" : [ { \"match\" : [ { \"host\" : [ \"mail.domain.com\" , ] } ], \"handle\" : [ { \"handler\" : \"subroute\" , \"routes\" : [ { \"handle\" : [ { \"body\" : \"\" , \"handler\" : \"static_response\" } ] } ] } ], \"terminal\" : true }, ] } } }, \"tls\" : { \"automation\" : { \"policies\" : [ { \"subjects\" : [ \"mail.domain.com\" , ], \"key_type\" : \"rsa2048\" , \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } }, { \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } } ] } } } } The generated certificates can be mounted: volumes : - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.crt:/etc/letsencrypt/live/mail.domain.com/fullchain.pem - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.key:/etc/letsencrypt/live/mail.domain.com/privkey.pem EC certificates fail in the TLS handshake: CONNECTED(00000003) 140342221178112:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:ssl/record/rec_layer_s3.c:1543:SSL alert number 40 no peer certificate available No client certificate CA names sent","title":"Caddy"},{"location":"config/security/ssl/#traefik","text":"Traefik is an open-source Edge Router which handles ACME protocol using lego . Traefik can request certificates for domains through the ACME protocol (see Traefik's documentation about its ACME negotiation & storage mechanism ). Traefik's router will take care of renewals, challenge negotiations, etc.","title":"Traefik"},{"location":"config/security/ssl/#traefik-v2","text":"(For Traefik v1 see next section ) Traefik's V2 storage format is natively supported if the acme.json store is mounted into the container at /etc/letsencrypt/acme.json . The file is also monitored for changes and will trigger a reload of the mail services. Lookup of the certificate domain happens in the following order: $SSL_DOMAIN $HOSTNAME $DOMAINNAME This allows for support of wild card certificates: SSL_DOMAIN=*.example.com . Here is an example setup for docker-compose : Example Code version : '3.8' services : mail : image : mailserver/docker-mailserver:stable hostname : mail domainname : example.com volumes : - /etc/ssl/acme-v2.json:/etc/letsencrypt/acme.json:ro environment : SSL_TYPE : letsencrypt # SSL_DOMAIN: \"*.example.com\" traefik : image : traefik:v2.2 restart : always ports : - \"80:80\" - \"443:443\" command : - --providers.docker - --entrypoints.web.address=:80 - --entrypoints.web.http.redirections.entryPoint.to=websecure - --entrypoints.web.http.redirections.entryPoint.scheme=https - --entrypoints.websecure.address=:443 - --entrypoints.websecure.http.middlewares=hsts@docker - --entrypoints.websecure.http.tls.certResolver=le - --certificatesresolvers.le.acme.email=admin@example.net - --certificatesresolvers.le.acme.storage=/acme.json - --certificatesresolvers.le.acme.httpchallenge.entrypoint=web volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /etc/ssl/acme-v2.json:/acme.json whoami : image : containous/whoami labels : - \"traefik.http.routers.whoami.rule=Host(`mail.example.com`)\" This setup only comes with one caveat: The domain has to be configured on another service for traefik to actually request it from lets-encrypt ( whoami in this case).","title":"Traefik v2"},{"location":"config/security/ssl/#traefik-v1","text":"If you are using Traefik v1, you might want to push your Traefik-managed certificates to the mailserver container, in order to reuse them. Not an easy task, but fortunately, youtous/mailserver-traefik is a certificate renewal service for docker-mailserver . Depending of your Traefik configuration, certificates may be stored using a file or a KV Store (consul, etcd...) Either way, certificates will be renewed by Traefik, then automatically pushed to the mailserver thanks to the cert-renewer service. Finally, dovecot and postfix will be restarted.","title":"Traefik v1"},{"location":"config/security/ssl/#self-signed-certificates","text":"Warning Use self-signed certificates only for testing purposes! You can generate a self-signed SSL certificate by using the following command: docker run -it --rm -v \" $( pwd ) \" /config/ssl:/tmp/docker-mailserver/ssl -h mail.my-domain.com -t mailserver/docker-mailserver generate-ssl-certificate # Press enter # Enter a password when needed # Fill information like Country, Organisation name # Fill \"my-domain.com\" as FQDN for CA, and \"mail.my-domain.com\" for the certificate. # They HAVE to be different, otherwise you'll get a `TXT_DB error number 2` # Don't fill extras # Enter same password when needed # Sign the certificate? [y/n]:y # 1 out of 1 certificate requests certified, commit? [y/n]y # will generate: # config/ssl/mail.my-domain.com-key.pem (used in postfix) # config/ssl/mail.my-domain.com-req.pem (only used to generate other files) # config/ssl/mail.my-domain.com-cert.pem (used in postfix) # config/ssl/mail.my-domain.com-combined.pem (used in courier) # config/ssl/demoCA/cacert.pem (certificate authority) Note The certificate will be generate for the container fqdn , that is passed as -h argument. Check the following page for more information regarding postfix and SSL/TLS configuration . To use the certificate: Add SSL_TYPE=self-signed to your container environment variables If a matching certificate (files listed above) is found in config/ssl , it will be automatically setup in postfix and dovecot. You just have to place them in config/ssl folder.","title":"Self-Signed Certificates"},{"location":"config/security/ssl/#custom-certificate-files","text":"You can also provide your own certificate files. Add these entries to your docker-compose.yml : volumes : - /etc/ssl:/tmp/ssl:ro environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/cert/public.crt - SSL_KEY_PATH=/tmp/ssl/private/private.key This will mount the path where your ssl certificates reside as read-only under /tmp/ssl . Then all you have to do is to specify the location of your private key and the certificate. Info You may have to restart your mailserver once the certificates change.","title":"Custom Certificate Files"},{"location":"config/security/ssl/#testing-a-certificate-is-valid","text":"From your host: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ Or: docker exec mail openssl s_client \\ -connect 0 .0.0.0:143 \\ -starttls imap \\ -CApath /etc/ssl/certs/ And you should see the certificate chain, the server certificate and: Verify return code: 0 (ok) In addition, to verify certificate dates: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ \\ 2 >/dev/null | openssl x509 -noout -dates","title":"Testing a Certificate is Valid"},{"location":"config/security/ssl/#plain-text-access","text":"Warning Not recommended for purposes other than testing. Add this to config/dovecot.cf : ssl = yes disable_plaintext_auth = no These options in conjunction mean: SSL/TLS is offered to the client, but the client isn't required to use it. The client is allowed to login with plaintext authentication even when SSL/TLS isn't enabled on the connection. This is insecure , because the plaintext password is exposed to the internet.","title":"Plain-Text Access"},{"location":"config/security/ssl/#importing-certificates-obtained-via-another-source","text":"If you have another source for SSL/TLS certificates you can import them into the server via an external script. The external script can be found here: external certificate import script . The steps to follow are these: Transport the new certificates to ./config/ssl ( /tmp/ssl in the container) You should provide fullchain.key and privkey.pem Place the script in ./config/ (or /tmp/docker-mailserver/ inside the container) Make the script executable ( chmod +x tomav-renew-certs.sh ) Run the script: docker exec mail /tmp/docker-mailserver/tomav-renew-certs.sh If an error occurs the script will inform you. If not you will see both postfix and dovecot restart. After the certificates have been loaded you can check the certificate: openssl s_client \\ -servername mail.mydomain.net \\ -connect 192 .168.0.72:465 \\ 2 >/dev/null | openssl x509 # or openssl s_client \\ -servername mail.mydomain.net \\ -connect mail.mydomain.net:465 \\ 2 >/dev/null | openssl x509 Or you can check how long the new certificate is valid with commands like: export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.0.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot ##works: check if certificate will expire in two weeks #2 weeks is 1209600 seconds #3 weeks is 1814400 #12 weeks is 7257600 #15 weeks is 9072000 certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### What does the script that imports the certificates do: Check if there are new certs in the /tmp/ssl folder. Check with the ssl cert fingerprint if they differ from the current certificates. If so it will copy the certs to the right places. And restart postfix and dovecot. You can of course run the script by cron once a week or something. In that way you could automate cert renewal. If you do so it is probably wise to run an automated check on certificate expiry as well. Such a check could look something like this: ## code below will alert if certificate expires in less than two weeks ## please adjust varables! ## make sure the mail -s command works! Test! export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.2.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot export ALERT_EMAIL_ADDR = \"bill@gates321boom.com\" certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### #echo \"certcheck 2 weeks gives $certcheck_2weeks\" ##automated check you might run by cron or something ## does tls/ssl certificate expire within two weeks? if [ \" $certcheck_2weeks \" = \"Certificate will not expire\" ] ; then echo \"all is well, certwatch 2 weeks says $certcheck_2weeks \" else echo \"Cert seems to be expiring pretty soon, within two weeks: $certcheck_2weeks \" echo \"we will send an alert email and log as well\" logger Certwatch: cert $SITE_URL will expire in two weeks echo \"Certwatch: cert $SITE_URL will expire in two weeks\" | mail -s \"cert $SITE_URL expires in two weeks \" $ALERT_EMAIL_ADDR fi","title":"Importing Certificates Obtained via Another Source"},{"location":"config/security/understanding-the-ports/","text":"Quick Reference Prefer Implicit TLS ports, they're more secure and if you use a Reverse Proxy, should be less hassle (although it's probably wiser to expose these ports directly to docker-mailserver ). Overview of Email Ports Protocol Explicit TLS 1 Implicit TLS Purpose SMTP 25 N/A Transfer 2 ESMTP 587 465 3 Submission POP3 110 995 Retrieval IMAP4 143 993 Retrieval A connection may be secured over TLS when both ends support STARTTLS . On ports 110, 143 and 587, docker-mailserver will reject a connection that cannot be secured. Port 25 is required to support insecure connections. Receives email, docker-mailserver additionally filters for spam and viruses. For submitting email to the server to be sent to third-parties, you should prefer the submission ports(465, 587) - which require authentication. Unless a relay host is configured(eg SendGrid), outgoing email will leave the server via port 25(thus outbound traffic must not be blocked by your provider or firewall). A submission port since 2018 ( RFC 8314 ). Previously a secure variant of port 25. What Ports Should I Use? (SMTP) Flowchart - Mermaid.js source: View in the Live Editor . flowchart LR subgraph your-server [\"Your Server\"] in_25(25) --> server in_465(465) --> server server((\"docker-mailserver<br/>hello@world.com\")) server --- out_25(25) server --- out_465(465) end third-party(\"Third-party<br/>(sending you email)\") ---|\"Receive email for<br/>hello@world.com\"| in_25 subgraph clients [\"Clients (MUA)\"] mua-client(Thunderbird,<br/>Webmail,<br/>Mutt,<br/>etc) mua-service(Backend software<br/>on another server) end clients ---|\"Send email as<br/>hello@world.com\"| in_465 out_25(25) -->|\"Direct<br/>Delivery\"| tin_25 out_465(465) --> relay(\"MTA<br/>Relay Server\") --> tin_25(25) subgraph third-party-server[\"Third-party Server\"] third-party-mta(\"MTA<br/>friend@example.com\") tin_25(25) --> third-party-mta end Inbound Traffic (On the left) Port 25: Think of this like a physical mailbox, it is open to receive email from anyone who wants to. docker-mailserver will actively filter email delivered on this port for spam or viruses and refuse mail from known bad sources. While you could also use this port internally to send email outbound without requiring authentication, you really should prefer the Submission ports(587, 465). Port 465( and 587 ): This is the equivalent of a post office box where you would send email to be delivered on your behalf( docker-mailserver is that metaphorical post office, aka the MTA). Unlike port 25, these two ports are known as the Submission ports and require a valid email account on the server with a password to be able to send email to anyone outside of the server(an MTA you do not control, eg Outlook or Gmail). Prefer port 465 which provides Implicit TLS. Outbound Traffic (On the Right) Port 25: Send the email directly to the given email address MTA as possible. Like your own docker-mailserver port 25, this is the standard port for receiving email on, thus email will almost always arrive to the final MTA on this port. Note that, there may be additional MTAs further in the chain, but this would be the public facing one representing that email address. Port 465( and 587 ): SMTP Relays are a popular choice to hand-off delivery of email through. Services like SendGrid are useful for bulk email(marketing) or when your webhost or ISP are preventing you from using standard ports like port 25 to send out email(which can be abused by spammers). docker-mailserver can serve as a relay too, but the difference between a DIY relay and a professional service is reputation, which is referenced by MTAs you're delivering to such as Outlook, Gmail or others(perhaps another docker-mailserver server!), when deciding if email should be marked as junked or potentially not delivered at all. As a service like SendGrid has a reputation to maintain, relay is restricted to registered users who must authenticate(even on port 25), they do not store email, merely forward it to another MTA which could be delivered on a different port like 25. Explicit vs Implicit TLS Explicit TLS (aka Opportunistic TLS) - Opt-in Encryption Communication on these ports begin in cleartext , indicating support for STARTTLS . If both client and server support STARTTLS the connection will be secured over TLS, otherwise no encryption will be used. Support for STARTTLS is not always implemented correctly, which can lead to leaking credentials(client sending too early) prior to a TLS connection being established. Third-parties such as some ISPs have also been known to intercept the STARTTLS exchange, modifying network traffic to prevent establishing a secure connection. Due to these security concerns, RFC 8314 (Section 4.1) encourages you to prefer Implicit TLS ports where possible . Implicit TLS - Enforced Encryption Communication is always encrypted, avoiding the above mentioned issues with Explicit TLS. You may know of these ports as SMTPS, POP3S, IMAPS , which indicate the protocol in combination with a TLS connection. However, Explicit TLS ports provide the same benefit when STARTTLS is successfully negotiated; Implicit TLS better communicates the improved security to all three protocols (SMTP/POP3/IMAP over Implicit TLS). Additionally, referring to port 465 as SMTPS would be incorrect, as it is a submissions port requiring authentication to proceed via ESMTP , whereas ESMTPS has a different meaning(STARTTLS supported). Port 25 may lack Implicit TLS, but can be configured to be more secure between trusted parties via MTA-STS, STARTTLS Policy List, DNSSEC and DANE. Security Todo This section should provide any related configuration advice, and probably expand on and link to resources about DANE, DNSSEC, MTA-STS and STARTTLS Policy list, with advice on how to configure/setup these added security layers. Todo A related section or page on ciphers used may be useful, although less important for users to be concerned about. TLS connections on mail servers, compared to web browsers Unlike with HTTP where a web browser client communicates directly with the server providing a website, a secure TLS connection as discussed below is not the equivalent safety that HTTPS provides when the transit of email (receiving or sending) is sent through third-parties, as the secure connection is only between two machines, any additional machines (MTAs) between the MUA and the MDA depends on them establishing secure connections between one another successfully. Other machines that facilitate a connection that generally aren't taken into account can exist between a client and server, such as those where your connection passes through your ISP provider are capable of compromising a cleartext connection through interception.","title":"Understanding the Ports"},{"location":"config/security/understanding-the-ports/#quick-reference","text":"Prefer Implicit TLS ports, they're more secure and if you use a Reverse Proxy, should be less hassle (although it's probably wiser to expose these ports directly to docker-mailserver ).","title":"Quick Reference"},{"location":"config/security/understanding-the-ports/#overview-of-email-ports","text":"Protocol Explicit TLS 1 Implicit TLS Purpose SMTP 25 N/A Transfer 2 ESMTP 587 465 3 Submission POP3 110 995 Retrieval IMAP4 143 993 Retrieval A connection may be secured over TLS when both ends support STARTTLS . On ports 110, 143 and 587, docker-mailserver will reject a connection that cannot be secured. Port 25 is required to support insecure connections. Receives email, docker-mailserver additionally filters for spam and viruses. For submitting email to the server to be sent to third-parties, you should prefer the submission ports(465, 587) - which require authentication. Unless a relay host is configured(eg SendGrid), outgoing email will leave the server via port 25(thus outbound traffic must not be blocked by your provider or firewall). A submission port since 2018 ( RFC 8314 ). Previously a secure variant of port 25.","title":"Overview of Email Ports"},{"location":"config/security/understanding-the-ports/#what-ports-should-i-use-smtp","text":"Flowchart - Mermaid.js source: View in the Live Editor . flowchart LR subgraph your-server [\"Your Server\"] in_25(25) --> server in_465(465) --> server server((\"docker-mailserver<br/>hello@world.com\")) server --- out_25(25) server --- out_465(465) end third-party(\"Third-party<br/>(sending you email)\") ---|\"Receive email for<br/>hello@world.com\"| in_25 subgraph clients [\"Clients (MUA)\"] mua-client(Thunderbird,<br/>Webmail,<br/>Mutt,<br/>etc) mua-service(Backend software<br/>on another server) end clients ---|\"Send email as<br/>hello@world.com\"| in_465 out_25(25) -->|\"Direct<br/>Delivery\"| tin_25 out_465(465) --> relay(\"MTA<br/>Relay Server\") --> tin_25(25) subgraph third-party-server[\"Third-party Server\"] third-party-mta(\"MTA<br/>friend@example.com\") tin_25(25) --> third-party-mta end","title":"What Ports Should I Use? (SMTP)"},{"location":"config/security/understanding-the-ports/#inbound-traffic-on-the-left","text":"Port 25: Think of this like a physical mailbox, it is open to receive email from anyone who wants to. docker-mailserver will actively filter email delivered on this port for spam or viruses and refuse mail from known bad sources. While you could also use this port internally to send email outbound without requiring authentication, you really should prefer the Submission ports(587, 465). Port 465( and 587 ): This is the equivalent of a post office box where you would send email to be delivered on your behalf( docker-mailserver is that metaphorical post office, aka the MTA). Unlike port 25, these two ports are known as the Submission ports and require a valid email account on the server with a password to be able to send email to anyone outside of the server(an MTA you do not control, eg Outlook or Gmail). Prefer port 465 which provides Implicit TLS.","title":"Inbound Traffic (On the left)"},{"location":"config/security/understanding-the-ports/#outbound-traffic-on-the-right","text":"Port 25: Send the email directly to the given email address MTA as possible. Like your own docker-mailserver port 25, this is the standard port for receiving email on, thus email will almost always arrive to the final MTA on this port. Note that, there may be additional MTAs further in the chain, but this would be the public facing one representing that email address. Port 465( and 587 ): SMTP Relays are a popular choice to hand-off delivery of email through. Services like SendGrid are useful for bulk email(marketing) or when your webhost or ISP are preventing you from using standard ports like port 25 to send out email(which can be abused by spammers). docker-mailserver can serve as a relay too, but the difference between a DIY relay and a professional service is reputation, which is referenced by MTAs you're delivering to such as Outlook, Gmail or others(perhaps another docker-mailserver server!), when deciding if email should be marked as junked or potentially not delivered at all. As a service like SendGrid has a reputation to maintain, relay is restricted to registered users who must authenticate(even on port 25), they do not store email, merely forward it to another MTA which could be delivered on a different port like 25.","title":"Outbound Traffic (On the Right)"},{"location":"config/security/understanding-the-ports/#explicit-vs-implicit-tls","text":"","title":"Explicit vs Implicit TLS"},{"location":"config/security/understanding-the-ports/#explicit-tls-aka-opportunistic-tls-opt-in-encryption","text":"Communication on these ports begin in cleartext , indicating support for STARTTLS . If both client and server support STARTTLS the connection will be secured over TLS, otherwise no encryption will be used. Support for STARTTLS is not always implemented correctly, which can lead to leaking credentials(client sending too early) prior to a TLS connection being established. Third-parties such as some ISPs have also been known to intercept the STARTTLS exchange, modifying network traffic to prevent establishing a secure connection. Due to these security concerns, RFC 8314 (Section 4.1) encourages you to prefer Implicit TLS ports where possible .","title":"Explicit TLS (aka Opportunistic TLS) - Opt-in Encryption"},{"location":"config/security/understanding-the-ports/#implicit-tls-enforced-encryption","text":"Communication is always encrypted, avoiding the above mentioned issues with Explicit TLS. You may know of these ports as SMTPS, POP3S, IMAPS , which indicate the protocol in combination with a TLS connection. However, Explicit TLS ports provide the same benefit when STARTTLS is successfully negotiated; Implicit TLS better communicates the improved security to all three protocols (SMTP/POP3/IMAP over Implicit TLS). Additionally, referring to port 465 as SMTPS would be incorrect, as it is a submissions port requiring authentication to proceed via ESMTP , whereas ESMTPS has a different meaning(STARTTLS supported). Port 25 may lack Implicit TLS, but can be configured to be more secure between trusted parties via MTA-STS, STARTTLS Policy List, DNSSEC and DANE.","title":"Implicit TLS - Enforced Encryption"},{"location":"config/security/understanding-the-ports/#security","text":"Todo This section should provide any related configuration advice, and probably expand on and link to resources about DANE, DNSSEC, MTA-STS and STARTTLS Policy list, with advice on how to configure/setup these added security layers. Todo A related section or page on ciphers used may be useful, although less important for users to be concerned about.","title":"Security"},{"location":"config/security/understanding-the-ports/#tls-connections-on-mail-servers-compared-to-web-browsers","text":"Unlike with HTTP where a web browser client communicates directly with the server providing a website, a secure TLS connection as discussed below is not the equivalent safety that HTTPS provides when the transit of email (receiving or sending) is sent through third-parties, as the secure connection is only between two machines, any additional machines (MTAs) between the MUA and the MDA depends on them establishing secure connections between one another successfully. Other machines that facilitate a connection that generally aren't taken into account can exist between a client and server, such as those where your connection passes through your ISP provider are capable of compromising a cleartext connection through interception.","title":"TLS connections on mail servers, compared to web browsers"},{"location":"config/troubleshooting/debugging/","text":"Contributions Welcome! Please contribute your solutions to help the community Enable Verbose Debugging Output You may find it useful to enable the DMS_DEBUG environment variable. Invalid Username or Password Shell into the container: docker exec -it <my-container> bash Check log files in /var/log/mail could not find any mention of incorrect logins here neither in the dovecot logs. Check the supervisors logs in /var/log/supervisor . You can find the logs for startup of fetchmail, postfix and others here - they might indicate problems during startup. Make sure you set your hostname to mail or whatever you specified in your docker-compose.yml file or else your FQDN will be wrong. Installation Errors During setup, if you get errors trying to edit files inside of the container, you likely need to install vi : sudo su docker exec -it <my-container> apt-get install -y vim Testing Connection I spent HOURS trying to debug \"Connection Refused\" and \"Connection closed by foreign host\" errors when trying to use telnet to troubleshoot my connection. I was also trying to connect from my email client (macOS mail) around the same time. Telnet had also worked earlier, so I was extremely confused as to why it suddenly stopped working. I stumbled upon fail2ban.log in my container. In short, when trying to get my macOS client working, I exceeded the number of failed login attempts and fail2ban put dovecot and postfix in jail! I got around it by whitelisting my ipaddresses (my ec2 instance and my local computer) sudo su docker exec -ti mail bash cd /var/log cat fail2ban.log | grep dovecot # Whitelist IP addresses: fail2ban-client set dovecot addignoreip <server ip> # Server fail2ban-client set postfix addignoreip <server ip> fail2ban-client set dovecot addignoreip <client ip> # Client fail2ban-client set postfix addignoreip <client ip> # This will delete the jails entirely - nuclear option fail2ban-client stop dovecot fail2ban-client stop postfix Sent email is never received Some hosting provides have a stealth block on port 25. Make sure to check with your hosting provider that traffic on port 25 is allowed Common hosting providers known to have this issue: - Azure - AWS EC2","title":"Debugging"},{"location":"config/troubleshooting/debugging/#enable-verbose-debugging-output","text":"You may find it useful to enable the DMS_DEBUG environment variable.","title":"Enable Verbose Debugging Output"},{"location":"config/troubleshooting/debugging/#invalid-username-or-password","text":"Shell into the container: docker exec -it <my-container> bash Check log files in /var/log/mail could not find any mention of incorrect logins here neither in the dovecot logs. Check the supervisors logs in /var/log/supervisor . You can find the logs for startup of fetchmail, postfix and others here - they might indicate problems during startup. Make sure you set your hostname to mail or whatever you specified in your docker-compose.yml file or else your FQDN will be wrong.","title":"Invalid Username or Password"},{"location":"config/troubleshooting/debugging/#installation-errors","text":"During setup, if you get errors trying to edit files inside of the container, you likely need to install vi : sudo su docker exec -it <my-container> apt-get install -y vim","title":"Installation Errors"},{"location":"config/troubleshooting/debugging/#testing-connection","text":"I spent HOURS trying to debug \"Connection Refused\" and \"Connection closed by foreign host\" errors when trying to use telnet to troubleshoot my connection. I was also trying to connect from my email client (macOS mail) around the same time. Telnet had also worked earlier, so I was extremely confused as to why it suddenly stopped working. I stumbled upon fail2ban.log in my container. In short, when trying to get my macOS client working, I exceeded the number of failed login attempts and fail2ban put dovecot and postfix in jail! I got around it by whitelisting my ipaddresses (my ec2 instance and my local computer) sudo su docker exec -ti mail bash cd /var/log cat fail2ban.log | grep dovecot # Whitelist IP addresses: fail2ban-client set dovecot addignoreip <server ip> # Server fail2ban-client set postfix addignoreip <server ip> fail2ban-client set dovecot addignoreip <client ip> # Client fail2ban-client set postfix addignoreip <client ip> # This will delete the jails entirely - nuclear option fail2ban-client stop dovecot fail2ban-client stop postfix","title":"Testing Connection"},{"location":"config/troubleshooting/debugging/#sent-email-is-never-received","text":"Some hosting provides have a stealth block on port 25. Make sure to check with your hosting provider that traffic on port 25 is allowed Common hosting providers known to have this issue: - Azure - AWS EC2","title":"Sent email is never received"},{"location":"config/user-management/accounts/","text":"Adding a New Account Users (email accounts) are managed in /tmp/docker-mailserver/postfix-accounts.cf . The best way to manage accounts is to use the reliable setup.sh script . Or you may directly add the full email address and its encrypted password, separated by a pipe: user1@domain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 user2@otherdomain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 In the example above, we've added 2 mail accounts for 2 different domains. Consequently, the mail server will automatically be configured for multi-domains. Therefore, to generate a new mail account data, directly from your docker host, you could for example run the following: docker run --rm \\ -e MAIL_USER = user1@domain.tld \\ -e MAIL_PASS = mypassword \\ -it mailserver/docker-mailserver:latest \\ /bin/sh -c 'echo \"$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)\"' >> config/postfix-accounts.cf You will then be asked for a password, and be given back the data for a new account entry, as text. To actually add this new account, just copy all the output text in config/postfix-accounts.cf file of your running container. Note doveadm pw command lets you choose between several encryption schemes for the password. Use doveadm pw -l to get a list of the currently supported encryption schemes. Note Changes to the accounts list require a restart of the container, using supervisord . See #552 . Notes imap-quota is enabled and allow clients to query their mailbox usage. When the mailbox is deleted, the quota directive is deleted as well. Dovecot quotas support LDAP, but it's not implemented ( PR are welcome! ).","title":"Accounts"},{"location":"config/user-management/accounts/#adding-a-new-account","text":"Users (email accounts) are managed in /tmp/docker-mailserver/postfix-accounts.cf . The best way to manage accounts is to use the reliable setup.sh script . Or you may directly add the full email address and its encrypted password, separated by a pipe: user1@domain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 user2@otherdomain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 In the example above, we've added 2 mail accounts for 2 different domains. Consequently, the mail server will automatically be configured for multi-domains. Therefore, to generate a new mail account data, directly from your docker host, you could for example run the following: docker run --rm \\ -e MAIL_USER = user1@domain.tld \\ -e MAIL_PASS = mypassword \\ -it mailserver/docker-mailserver:latest \\ /bin/sh -c 'echo \"$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)\"' >> config/postfix-accounts.cf You will then be asked for a password, and be given back the data for a new account entry, as text. To actually add this new account, just copy all the output text in config/postfix-accounts.cf file of your running container. Note doveadm pw command lets you choose between several encryption schemes for the password. Use doveadm pw -l to get a list of the currently supported encryption schemes. Note Changes to the accounts list require a restart of the container, using supervisord . See #552 .","title":"Adding a New Account"},{"location":"config/user-management/accounts/#notes","text":"imap-quota is enabled and allow clients to query their mailbox usage. When the mailbox is deleted, the quota directive is deleted as well. Dovecot quotas support LDAP, but it's not implemented ( PR are welcome! ).","title":"Notes"},{"location":"config/user-management/aliases/","text":"Please read the Postfix documentation on virtual aliases first. You can use setup.sh instead of creating and editing files manually. Aliases are managed in /tmp/docker-mailserver/postfix-virtual.cf . An alias is a full email address that will either be: delivered to an existing account registered in /tmp/docker-mailserver/postfix-accounts.cf redirected to one or more other email addresses Alias and target are space separated. An example on a server with domain.tld as its domain: # Alias delivered to an existing account alias1@domain.tld user1@domain.tld # Alias forwarded to an external email address alias2@domain.tld external@gmail.com Configuring RegExp Aliases Additional regexp aliases can be configured by placing them into config/postfix-regexp.cf . The regexp aliases get evaluated after the virtual aliases ( /tmp/docker-mailserver/postfix-virtual.cf ). For example, the following config/postfix-regexp.cf causes all email to \"test\" users to be delivered to qa@example.com : /^test[0-9][0-9]*@example.com/ qa@example.com Address Tags (Extension Delimiters) an Alternative to Aliases Postfix supports so-called address tags, in the form of plus (+) tags - i.e. address+tag@example.com will end up at address@example.com . This is configured by default and the (configurable !) separator is set to + . For more info, see How to use Address Tagging ( user+tag@example.com ) with Postfix and the official documentation . Note If you do decide to change the configurable separator, you must add the same line to both config/postfix-main.cf and config/dovecot.cf , because Dovecot is acting as the delivery agent. For example, to switch to - , add: recipient_delimiter = -","title":"Aliases"},{"location":"config/user-management/aliases/#configuring-regexp-aliases","text":"Additional regexp aliases can be configured by placing them into config/postfix-regexp.cf . The regexp aliases get evaluated after the virtual aliases ( /tmp/docker-mailserver/postfix-virtual.cf ). For example, the following config/postfix-regexp.cf causes all email to \"test\" users to be delivered to qa@example.com : /^test[0-9][0-9]*@example.com/ qa@example.com","title":"Configuring RegExp Aliases"},{"location":"config/user-management/aliases/#address-tags-extension-delimiters-an-alternative-to-aliases","text":"Postfix supports so-called address tags, in the form of plus (+) tags - i.e. address+tag@example.com will end up at address@example.com . This is configured by default and the (configurable !) separator is set to + . For more info, see How to use Address Tagging ( user+tag@example.com ) with Postfix and the official documentation . Note If you do decide to change the configurable separator, you must add the same line to both config/postfix-main.cf and config/dovecot.cf , because Dovecot is acting as the delivery agent. For example, to switch to - , add: recipient_delimiter = -","title":"Address Tags (Extension Delimiters) an Alternative to Aliases"},{"location":"contributing/coding-style/","text":"Bash and Shell When refactoring, writing or altering scripts, that is Shell and bash scripts, in any way, adhere to these rules: Adjust your style of coding to the style that is already present ! Even if you do not like it, this is due to consistency. There was a lot of work involved in making all scripts consistent. Use shellcheck to check your scripts ! Your contributions are checked by GitHub Actions too, so you will need to do this. You can lint your work with make lint to check against all targets. Use the provided .editorconfig file. Use /bin/bash instead of /bin/sh . Adjust the style accordingly. setup.sh provides a good starting point to look for. When appropriate, use the set builtin. We recommend set -euEo pipefail or set -uE . Styling rules If-Else-Statements # when using braces, use double braces # remember you do not need \"\" when using [[ ]] if [[ <CONDITION1> ]] && [[ -f ${ FILE } ]] then <CODE TO RUN> # when running commands, you don't need braces elif <COMMAND TO RUN> <CODE TO TUN> else <CODE TO TUN> fi # equality checks with numbers are done # with -eq/-ne/-lt/-ge, not != or == if [[ ${ VAR } -ne 42 ]] || [[ ${ SOME_VAR } -eq 6 ]] then <CODE TO RUN> fi Variables & Braces Attention Variables are always uppercase. We always use braces. If you forgot this and want to change it later, you can use this link . The used regex is \\$([^{(\"\\\\'\\/])([a-zA-Z0-9_]*)([^}\\/ \\t'\"\\n.\\]:(=\\\\-]*) , where you should in practice be able to replace all variable occurrences without braces with occurrences with braces. # good local VAR = \"good\" local NEW = \" ${ VAR } \" # bad -> TravisCI will fail var = \"bad\" new = $var Loops Like if-else , loops look like this for / while <LOOP CONDITION> do <CODE TO RUN> done Functions It's always nice to see the use of functions as it also provides a clear structure. If scripts are small, this is unnecessary, but if they become larger, please consider using functions. When doing so, provide function _main . function _<name_underscored_and_lowercase> { <CODE TO RUN> # variables that can be local should be local local <LOCAL_VARIABLE_NAME> } Error Tracing A construct to trace error in your scripts looks like this. Remember: Remove set -x in the end. This is for debugging purposes only. set -xeuEo pipefail trap '__log_err ${FUNCNAME[0]:-\"?\"} ${BASH_COMMAND:-\"?\"} ${LINENO:-\"?\"} ${?:-\"?\"}' ERR SCRIPT = 'name_of_this_script.sh' function __log_err { printf \"\\n\u2013\u2013\u2013 \\e[1m\\e[31mUNCHECKED ERROR\\e[0m\\n%s\\n%s\\n%s\\n%s\\n\\n\" \\ \" \u2013 script = ${ SCRIPT :- ${ 0 }} \" \\ \" \u2013 function = ${ 1 } / ${ 2 } \" \\ \" \u2013 line = ${ 3 } \" \\ \" \u2013 exit code = ${ 4 } \" 1 > & 2 <CODE TO RUN AFTERWARDS> } Comments, Descriptiveness & An Example Comments should only describe non-obvious matters. Comments should start lowercase when they aren't sentences. Make the code self-descriptive by using meaningful names! Make comments not longer than approximately 80 columns, then wrap the line. A positive example, which is taken from start-mailserver.sh , would be function _setup_postfix_aliases { _notify 'task' 'Setting up Postfix Aliases' : >/etc/postfix/virtual : >/etc/postfix/regexp if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]] then # fixing old virtual user file if grep -q \", $ \" /tmp/docker-mailserver/postfix-virtual.cf then sed -i -e \"s/, /,/g\" -e \"s/, $ //g\" /tmp/docker-mailserver/postfix-virtual.cf fi cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual # the `to` is important, don't delete it # shellcheck disable=SC2034 while read -r FROM TO do # Setting variables for better readability UNAME = $( echo \" ${ FROM } \" | cut -d @ -f1 ) DOMAIN = $( echo \" ${ FROM } \" | cut -d @ -f2 ) # if they are equal it means the line looks like: \"user1 other@domain.tld\" [[ \" ${ UNAME } \" ! = \" ${ DOMAIN } \" ]] && echo \" ${ DOMAIN } \" >> /tmp/vhost.tmp done < < ( grep -v \"^\\s* $ \\|^\\s*\\#\" /tmp/docker-mailserver/postfix-virtual.cf || true ) else _notify 'inf' \"Warning 'config/postfix-virtual.cf' is not provided. No mail alias/forward created.\" fi ... } YAML When formatting YAML files, use Prettier , an opinionated formatter. There are many plugins for IDEs around.","title":"Coding Style"},{"location":"contributing/coding-style/#bash-and-shell","text":"When refactoring, writing or altering scripts, that is Shell and bash scripts, in any way, adhere to these rules: Adjust your style of coding to the style that is already present ! Even if you do not like it, this is due to consistency. There was a lot of work involved in making all scripts consistent. Use shellcheck to check your scripts ! Your contributions are checked by GitHub Actions too, so you will need to do this. You can lint your work with make lint to check against all targets. Use the provided .editorconfig file. Use /bin/bash instead of /bin/sh . Adjust the style accordingly. setup.sh provides a good starting point to look for. When appropriate, use the set builtin. We recommend set -euEo pipefail or set -uE .","title":"Bash and Shell"},{"location":"contributing/coding-style/#styling-rules","text":"","title":"Styling rules"},{"location":"contributing/coding-style/#if-else-statements","text":"# when using braces, use double braces # remember you do not need \"\" when using [[ ]] if [[ <CONDITION1> ]] && [[ -f ${ FILE } ]] then <CODE TO RUN> # when running commands, you don't need braces elif <COMMAND TO RUN> <CODE TO TUN> else <CODE TO TUN> fi # equality checks with numbers are done # with -eq/-ne/-lt/-ge, not != or == if [[ ${ VAR } -ne 42 ]] || [[ ${ SOME_VAR } -eq 6 ]] then <CODE TO RUN> fi","title":"If-Else-Statements"},{"location":"contributing/coding-style/#variables-braces","text":"Attention Variables are always uppercase. We always use braces. If you forgot this and want to change it later, you can use this link . The used regex is \\$([^{(\"\\\\'\\/])([a-zA-Z0-9_]*)([^}\\/ \\t'\"\\n.\\]:(=\\\\-]*) , where you should in practice be able to replace all variable occurrences without braces with occurrences with braces. # good local VAR = \"good\" local NEW = \" ${ VAR } \" # bad -> TravisCI will fail var = \"bad\" new = $var","title":"Variables &amp; Braces"},{"location":"contributing/coding-style/#loops","text":"Like if-else , loops look like this for / while <LOOP CONDITION> do <CODE TO RUN> done","title":"Loops"},{"location":"contributing/coding-style/#functions","text":"It's always nice to see the use of functions as it also provides a clear structure. If scripts are small, this is unnecessary, but if they become larger, please consider using functions. When doing so, provide function _main . function _<name_underscored_and_lowercase> { <CODE TO RUN> # variables that can be local should be local local <LOCAL_VARIABLE_NAME> }","title":"Functions"},{"location":"contributing/coding-style/#error-tracing","text":"A construct to trace error in your scripts looks like this. Remember: Remove set -x in the end. This is for debugging purposes only. set -xeuEo pipefail trap '__log_err ${FUNCNAME[0]:-\"?\"} ${BASH_COMMAND:-\"?\"} ${LINENO:-\"?\"} ${?:-\"?\"}' ERR SCRIPT = 'name_of_this_script.sh' function __log_err { printf \"\\n\u2013\u2013\u2013 \\e[1m\\e[31mUNCHECKED ERROR\\e[0m\\n%s\\n%s\\n%s\\n%s\\n\\n\" \\ \" \u2013 script = ${ SCRIPT :- ${ 0 }} \" \\ \" \u2013 function = ${ 1 } / ${ 2 } \" \\ \" \u2013 line = ${ 3 } \" \\ \" \u2013 exit code = ${ 4 } \" 1 > & 2 <CODE TO RUN AFTERWARDS> }","title":"Error Tracing"},{"location":"contributing/coding-style/#comments-descriptiveness-an-example","text":"Comments should only describe non-obvious matters. Comments should start lowercase when they aren't sentences. Make the code self-descriptive by using meaningful names! Make comments not longer than approximately 80 columns, then wrap the line. A positive example, which is taken from start-mailserver.sh , would be function _setup_postfix_aliases { _notify 'task' 'Setting up Postfix Aliases' : >/etc/postfix/virtual : >/etc/postfix/regexp if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]] then # fixing old virtual user file if grep -q \", $ \" /tmp/docker-mailserver/postfix-virtual.cf then sed -i -e \"s/, /,/g\" -e \"s/, $ //g\" /tmp/docker-mailserver/postfix-virtual.cf fi cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual # the `to` is important, don't delete it # shellcheck disable=SC2034 while read -r FROM TO do # Setting variables for better readability UNAME = $( echo \" ${ FROM } \" | cut -d @ -f1 ) DOMAIN = $( echo \" ${ FROM } \" | cut -d @ -f2 ) # if they are equal it means the line looks like: \"user1 other@domain.tld\" [[ \" ${ UNAME } \" ! = \" ${ DOMAIN } \" ]] && echo \" ${ DOMAIN } \" >> /tmp/vhost.tmp done < < ( grep -v \"^\\s* $ \\|^\\s*\\#\" /tmp/docker-mailserver/postfix-virtual.cf || true ) else _notify 'inf' \"Warning 'config/postfix-virtual.cf' is not provided. No mail alias/forward created.\" fi ... }","title":"Comments, Descriptiveness &amp; An Example"},{"location":"contributing/coding-style/#yaml","text":"When formatting YAML files, use Prettier , an opinionated formatter. There are many plugins for IDEs around.","title":"YAML"},{"location":"contributing/documentation/","text":"Todo This section should provide a detailed step by step guide on how to contribute to documentation","title":"Documentation"},{"location":"contributing/issues-and-pull-requests/","text":"This project is Open Source. That means that you can contribute on enhancements, bug fixing or improving the documentation. Opening an Issue Attention Before opening an issue , read the README carefully, study the documentation , the Postfix/Dovecot documentation and your search engine you trust. The issue tracker is not meant to be used for unrelated questions! When opening an issue, please provide details use case to let the community reproduce your problem. Please start the mail server with env DMS_DEBUG=1 and paste the output into the issue. Attention Use the issue templates to provide the necessary information. Issues which do not use these templates are not worked on and closed. By raising issues, I agree to these terms and I understand, that the rules set for the issue tracker will help both maintainers as well as everyone to find a solution. Maintainers take the time to improve on this project and help by solving issues together. It is therefore expected from others to make an effort and comply with the rules . Pull Requests Submit a Pull-Request Motivation You want to add a feature? Feel free to start creating an issue explaining what you want to do and how you're thinking doing it. Other users may have the same need and collaboration may lead to better results. The development workflow is the following: Fork the project and clone your fork Create a new branch to work on Run git submodule update --init --recursive Write the code that is needed :D Add integration tests if necessary Get the linters with make install_linters and install jq with the package manager of your OS Use make clean all to build image locally and run tests (note that tests work on Linux only ) Document your improvements if necessary (e.g. if you introduced new environment variables, write the description in ENVIRONMENT.md ) Commit and sign your commit , push and create a pull-request to merge into master . Please use the pull-request template to provide a minimum of contextual information and make sure to meet the requirements of the checklist. Pull requests are automatically tested against the CI and will be reviewed when tests pass When your changes are validated, your branch is merged CI builds the new :edge image immediately and your changes will be includes in the next version release.","title":"Issues and Pull Requests"},{"location":"contributing/issues-and-pull-requests/#opening-an-issue","text":"Attention Before opening an issue , read the README carefully, study the documentation , the Postfix/Dovecot documentation and your search engine you trust. The issue tracker is not meant to be used for unrelated questions! When opening an issue, please provide details use case to let the community reproduce your problem. Please start the mail server with env DMS_DEBUG=1 and paste the output into the issue. Attention Use the issue templates to provide the necessary information. Issues which do not use these templates are not worked on and closed. By raising issues, I agree to these terms and I understand, that the rules set for the issue tracker will help both maintainers as well as everyone to find a solution. Maintainers take the time to improve on this project and help by solving issues together. It is therefore expected from others to make an effort and comply with the rules .","title":"Opening an Issue"},{"location":"contributing/issues-and-pull-requests/#pull-requests","text":"","title":"Pull Requests"},{"location":"contributing/issues-and-pull-requests/#submit-a-pull-request","text":"Motivation You want to add a feature? Feel free to start creating an issue explaining what you want to do and how you're thinking doing it. Other users may have the same need and collaboration may lead to better results. The development workflow is the following: Fork the project and clone your fork Create a new branch to work on Run git submodule update --init --recursive Write the code that is needed :D Add integration tests if necessary Get the linters with make install_linters and install jq with the package manager of your OS Use make clean all to build image locally and run tests (note that tests work on Linux only ) Document your improvements if necessary (e.g. if you introduced new environment variables, write the description in ENVIRONMENT.md ) Commit and sign your commit , push and create a pull-request to merge into master . Please use the pull-request template to provide a minimum of contextual information and make sure to meet the requirements of the checklist. Pull requests are automatically tested against the CI and will be reviewed when tests pass When your changes are validated, your branch is merged CI builds the new :edge image immediately and your changes will be includes in the next version release.","title":"Submit a Pull-Request"},{"location":"contributing/tests/","text":"Todo This section should provide a detailed step by step guide on how to write tests","title":"Tests"},{"location":"examples/tutorials/basic-installation/","text":"Building a Simple Mailserver Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . We are going to use this docker based mailserver: First create a directory for the mailserver and get the setup script: mkdir -p /var/ds/mail.example.org cd /var/ds/mail.example.org/ curl -o setup.sh \\ https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Create the file docker-compose.yml with a content like this: Example version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : example.org container_name : mail ports : - \"25:25\" - \"587:587\" - \"465:465\" volumes : - ./data/:/var/mail/ - ./state/:/var/mail-state/ - ./config/:/tmp/docker-mailserver/ - /var/ds/wsproxy/letsencrypt/:/etc/letsencrypt/ environment : - PERMIT_DOCKER=network - SSL_TYPE=letsencrypt - ONE_DIR=1 - DMS_DEBUG=1 - SPOOF_PROTECTION=0 - REPORT_RECIPIENT=1 - ENABLE_SPAMASSASSIN=0 - ENABLE_CLAMAV=0 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=0 cap_add : - NET_ADMIN - SYS_PTRACE For more details about the environment variables that can be used, and their meaning and possible values, check also these: Environtment Variables mailserver.env file Make sure to set the proper domainname that you will use for the emails. We forward only SMTP ports (not POP3 and IMAP) because we are not interested in accessing the mailserver directly (from a client). We also use these settings: PERMIT_DOCKER=network because we want to send emails from other docker containers. SSL_TYPE=letsencrypt because we will manage SSL certificates with letsencrypt. We need to open ports 25 , 587 and 465 on the firewall: ufw allow 25 ufw allow 587 ufw allow 465 On your server you may have to do it differently. Pull the docker image: docker pull mailserver/docker-mailserver:latest Now generate the DKIM keys with ./setup.sh config dkim and copy the content of the file config/opendkim/keys/domain.tld/mail.txt on the domain zone configuration at the DNS server. I use bind9 for managing my domains, so I just paste it on example.org.db : mail._domainkey IN TXT ( \"v=DKIM1; h=sha256; k=rsa; \" \"p=MIIBIjANBgkqhkiG9w0BAQEFACAQ8AMIIBCgKCAQEAaH5KuPYPSF3Ppkt466BDMAFGOA4mgqn4oPjZ5BbFlYA9l5jU3bgzRj3l6/Q1n5a9lQs5fNZ7A/HtY0aMvs3nGE4oi+LTejt1jblMhV/OfJyRCunQBIGp0s8G9kIUBzyKJpDayk2+KJSJt/lxL9Iiy0DE5hIv62ZPP6AaTdHBAsJosLFeAzuLFHQ6USyQRojefqFQtgYqWQ2JiZQ3\" \"iqq3bD/BVlwKRp5gH6TEYEmx8EBJUuDxrJhkWRUk2VDl1fqhVBy8A9O7Ah+85nMrlOHIFsTaYo9o6+cDJ6t1i6G1gu+bZD0d3/3bqGLPBQV9LyEL1Rona5V7TJBGg099NQkTz1IwIDAQAB\" ) ; ----- DKIM key mail for example.org Add these configurations as well on the same file on the DNS server: mail IN A 10.11.12.13 ; mailservers for example.org 3600 IN MX 1 mail.example.org. ; Add SPF record IN TXT \"v=spf1 mx ~all\" Then don't forget to change the serial number and to restart the service. Get an SSL certificate from letsencrypt. I use wsproxy for managing SSL letsencrypt certificates of my domains: cd /var/ds/wsproxy ds domains-add mail mail.example.org ds get-ssl-cert myemail@gmail.com mail.example.org --test ds get-ssl-cert myemail@gmail.com mail.example.org Now the certificates will be available on /var/ds/wsproxy/letsencrypt/live/mail.example.org . Start the mailserver and check for any errors: apt install docker-compose docker-compose up mail Create email accounts and aliases with SPOOF_PROTECTION=0 : ./setup.sh email add admin@example.org passwd123 ./setup.sh email add info@example.org passwd123 ./setup.sh alias add admin@example.org myemail@gmail.com ./setup.sh alias add info@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list Aliases make sure that any email that comes to these accounts is forwarded to my real email address, so that I don't need to use POP3/IMAP in order to get these messages. Also no anti-spam and anti-virus software is needed, making the mailserver lighter. Or create email accounts and aliases with SPOOF_PROTECTION=1 : ./setup.sh email add admin.gmail@example.org passwd123 ./setup.sh email add info.gmail@example.org passwd123 ./setup.sh alias add admin@example.org admin.gmail@example.org ./setup.sh alias add info@example.org info.gmail@example.org ./setup.sh alias add admin.gmail@example.org myemail@gmail.com ./setup.sh alias add info.gmail@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list This extra step is required to avoid the 553 5.7.1 Sender address rejected: not owned by user error (the account used for setting up gmail is admin.gmail@example.org and info.gmail@example.org ) Send some test emails to these addresses and make other tests. Then stop the container with ctrl+c and start it again as a daemon: docker-compose up -d mail . Now save on Moodle configuration the SMTP settings and test by trying to send some messages to other users: SMTP hosts : mail.example.org:465 SMTP security : SSL SMTP username : info@example.org SMTP password : passwd123","title":"Basic Installation"},{"location":"examples/tutorials/basic-installation/#building-a-simple-mailserver","text":"Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . We are going to use this docker based mailserver: First create a directory for the mailserver and get the setup script: mkdir -p /var/ds/mail.example.org cd /var/ds/mail.example.org/ curl -o setup.sh \\ https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Create the file docker-compose.yml with a content like this: Example version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : example.org container_name : mail ports : - \"25:25\" - \"587:587\" - \"465:465\" volumes : - ./data/:/var/mail/ - ./state/:/var/mail-state/ - ./config/:/tmp/docker-mailserver/ - /var/ds/wsproxy/letsencrypt/:/etc/letsencrypt/ environment : - PERMIT_DOCKER=network - SSL_TYPE=letsencrypt - ONE_DIR=1 - DMS_DEBUG=1 - SPOOF_PROTECTION=0 - REPORT_RECIPIENT=1 - ENABLE_SPAMASSASSIN=0 - ENABLE_CLAMAV=0 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=0 cap_add : - NET_ADMIN - SYS_PTRACE For more details about the environment variables that can be used, and their meaning and possible values, check also these: Environtment Variables mailserver.env file Make sure to set the proper domainname that you will use for the emails. We forward only SMTP ports (not POP3 and IMAP) because we are not interested in accessing the mailserver directly (from a client). We also use these settings: PERMIT_DOCKER=network because we want to send emails from other docker containers. SSL_TYPE=letsencrypt because we will manage SSL certificates with letsencrypt. We need to open ports 25 , 587 and 465 on the firewall: ufw allow 25 ufw allow 587 ufw allow 465 On your server you may have to do it differently. Pull the docker image: docker pull mailserver/docker-mailserver:latest Now generate the DKIM keys with ./setup.sh config dkim and copy the content of the file config/opendkim/keys/domain.tld/mail.txt on the domain zone configuration at the DNS server. I use bind9 for managing my domains, so I just paste it on example.org.db : mail._domainkey IN TXT ( \"v=DKIM1; h=sha256; k=rsa; \" \"p=MIIBIjANBgkqhkiG9w0BAQEFACAQ8AMIIBCgKCAQEAaH5KuPYPSF3Ppkt466BDMAFGOA4mgqn4oPjZ5BbFlYA9l5jU3bgzRj3l6/Q1n5a9lQs5fNZ7A/HtY0aMvs3nGE4oi+LTejt1jblMhV/OfJyRCunQBIGp0s8G9kIUBzyKJpDayk2+KJSJt/lxL9Iiy0DE5hIv62ZPP6AaTdHBAsJosLFeAzuLFHQ6USyQRojefqFQtgYqWQ2JiZQ3\" \"iqq3bD/BVlwKRp5gH6TEYEmx8EBJUuDxrJhkWRUk2VDl1fqhVBy8A9O7Ah+85nMrlOHIFsTaYo9o6+cDJ6t1i6G1gu+bZD0d3/3bqGLPBQV9LyEL1Rona5V7TJBGg099NQkTz1IwIDAQAB\" ) ; ----- DKIM key mail for example.org Add these configurations as well on the same file on the DNS server: mail IN A 10.11.12.13 ; mailservers for example.org 3600 IN MX 1 mail.example.org. ; Add SPF record IN TXT \"v=spf1 mx ~all\" Then don't forget to change the serial number and to restart the service. Get an SSL certificate from letsencrypt. I use wsproxy for managing SSL letsencrypt certificates of my domains: cd /var/ds/wsproxy ds domains-add mail mail.example.org ds get-ssl-cert myemail@gmail.com mail.example.org --test ds get-ssl-cert myemail@gmail.com mail.example.org Now the certificates will be available on /var/ds/wsproxy/letsencrypt/live/mail.example.org . Start the mailserver and check for any errors: apt install docker-compose docker-compose up mail Create email accounts and aliases with SPOOF_PROTECTION=0 : ./setup.sh email add admin@example.org passwd123 ./setup.sh email add info@example.org passwd123 ./setup.sh alias add admin@example.org myemail@gmail.com ./setup.sh alias add info@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list Aliases make sure that any email that comes to these accounts is forwarded to my real email address, so that I don't need to use POP3/IMAP in order to get these messages. Also no anti-spam and anti-virus software is needed, making the mailserver lighter. Or create email accounts and aliases with SPOOF_PROTECTION=1 : ./setup.sh email add admin.gmail@example.org passwd123 ./setup.sh email add info.gmail@example.org passwd123 ./setup.sh alias add admin@example.org admin.gmail@example.org ./setup.sh alias add info@example.org info.gmail@example.org ./setup.sh alias add admin.gmail@example.org myemail@gmail.com ./setup.sh alias add info.gmail@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list This extra step is required to avoid the 553 5.7.1 Sender address rejected: not owned by user error (the account used for setting up gmail is admin.gmail@example.org and info.gmail@example.org ) Send some test emails to these addresses and make other tests. Then stop the container with ctrl+c and start it again as a daemon: docker-compose up -d mail . Now save on Moodle configuration the SMTP settings and test by trying to send some messages to other users: SMTP hosts : mail.example.org:465 SMTP security : SSL SMTP username : info@example.org SMTP password : passwd123","title":"Building a Simple Mailserver"},{"location":"examples/tutorials/mailserver-behind-proxy/","text":"Using docker-mailserver behind a Proxy Information If you are hiding your container behind a proxy service you might have discovered that the proxied requests from now on contain the proxy IP as the request origin. Whilst this behavior is technical correct it produces certain problems on the containers behind the proxy as they cannot distinguish the real origin of the requests anymore. To solve this problem on TCP connections we can make use of the proxy protocol . Compared to other workarounds that exist ( X-Forwarded-For which only works for HTTP requests or Tproxy that requires you to recompile your kernel) the proxy protocol: It is protocol agnostic (can work with any layer 7 protocols, even when encrypted). It does not require any infrastructure changes. NAT-ing firewalls have no impact it. It is scalable. There is only one condition: both endpoints of the connection MUST be compatible with proxy protocol. Luckily dovecot and postfix are both Proxy-Protocol ready softwares so it depends only on your used reverse-proxy / loadbalancer. Configuration of the used Proxy Software The configuration depends on the used proxy system. I will provide the configuration examples of traefik v2 using IMAP and SMTP with implicit TLS. Feel free to add your configuration if you achived the same goal using different proxy software below: Traefik v2 Truncated configuration of traefik itself: version : '3.7' services : reverse-proxy : image : traefik:v2.4 container_name : docker-traefik restart : always command : - \"--providers.docker\" - \"--providers.docker.exposedbydefault=false\" - \"--providers.docker.network=proxy\" - \"--entrypoints.web.address=:80\" - \"--entryPoints.websecure.address=:443\" - \"--entryPoints.smtp.address=:25\" - \"--entryPoints.smtp-ssl.address=:465\" - \"--entryPoints.imap-ssl.address=:993\" - \"--entryPoints.sieve.address=:4190\" ports : - \"25:25\" - \"465:465\" - \"993:993\" - \"4190:4190\" [ ... ] Truncated list of neccessary labels on the mailserver container: version : '2' services : mail : image : mailserver/docker-mailserver:release-v7.2.0 restart : always networks : - proxy labels : - \"traefik.enable=true\" - \"traefik.tcp.routers.smtp.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp.entrypoints=smtp\" - \"traefik.tcp.routers.smtp.service=smtp\" - \"traefik.tcp.services.smtp.loadbalancer.server.port=25\" - \"traefik.tcp.services.smtp.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.smtp-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp-ssl.entrypoints=smtp-ssl\" - \"traefik.tcp.routers.smtp-ssl.service=smtp-ssl\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.server.port=465\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.imap-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.imap-ssl.entrypoints=imap-ssl\" - \"traefik.tcp.routers.imap-ssl.service=imap-ssl\" - \"traefik.tcp.services.imap-ssl.loadbalancer.server.port=10993\" - \"traefik.tcp.services.imap-ssl.loadbalancer.proxyProtocol.version=2\" - \"traefik.tcp.routers.sieve.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.sieve.entrypoints=sieve\" - \"traefik.tcp.routers.sieve.service=sieve\" - \"traefik.tcp.services.sieve.loadbalancer.server.port=4190\" [ ... ] Keep in mind that it is neccessary to use port 10993 here. More information below at dovecot configuration. Configuration of the Backend ( dovecot and postfix ) The following changes can be achived completely by adding the content to the appropriate files by using the projects function to overwrite config files . Changes for postfix can be applied by adding the following content to config/postfix-main.cf : postscreen_upstream_proxy_protocol = haproxy and to config/postfix-master.cf : submission/inet/smtpd_upstream_proxy_protocol = haproxy smtps/inet/smtpd_upstream_proxy_protocol = haproxy Changes for dovecot can be applied by adding the following content to config/dovecot.cf : haproxy_trusted_networks = <your-proxy-ip>, <optional-cidr-notation> haproxy_timeout = 3 secs service imap-login { inet_listener imaps { haproxy = yes ssl = yes port = 10993 } } Note Port 10993 is used here to avoid conflicts with internal systems like postscreen and amavis as they will exchange messages on the default port and obviously have a different origin then compared to the proxy.","title":"Mailserver behind Proxy"},{"location":"examples/tutorials/mailserver-behind-proxy/#using-docker-mailserver-behind-a-proxy","text":"","title":"Using docker-mailserver behind a Proxy"},{"location":"examples/tutorials/mailserver-behind-proxy/#information","text":"If you are hiding your container behind a proxy service you might have discovered that the proxied requests from now on contain the proxy IP as the request origin. Whilst this behavior is technical correct it produces certain problems on the containers behind the proxy as they cannot distinguish the real origin of the requests anymore. To solve this problem on TCP connections we can make use of the proxy protocol . Compared to other workarounds that exist ( X-Forwarded-For which only works for HTTP requests or Tproxy that requires you to recompile your kernel) the proxy protocol: It is protocol agnostic (can work with any layer 7 protocols, even when encrypted). It does not require any infrastructure changes. NAT-ing firewalls have no impact it. It is scalable. There is only one condition: both endpoints of the connection MUST be compatible with proxy protocol. Luckily dovecot and postfix are both Proxy-Protocol ready softwares so it depends only on your used reverse-proxy / loadbalancer.","title":"Information"},{"location":"examples/tutorials/mailserver-behind-proxy/#configuration-of-the-used-proxy-software","text":"The configuration depends on the used proxy system. I will provide the configuration examples of traefik v2 using IMAP and SMTP with implicit TLS. Feel free to add your configuration if you achived the same goal using different proxy software below: Traefik v2 Truncated configuration of traefik itself: version : '3.7' services : reverse-proxy : image : traefik:v2.4 container_name : docker-traefik restart : always command : - \"--providers.docker\" - \"--providers.docker.exposedbydefault=false\" - \"--providers.docker.network=proxy\" - \"--entrypoints.web.address=:80\" - \"--entryPoints.websecure.address=:443\" - \"--entryPoints.smtp.address=:25\" - \"--entryPoints.smtp-ssl.address=:465\" - \"--entryPoints.imap-ssl.address=:993\" - \"--entryPoints.sieve.address=:4190\" ports : - \"25:25\" - \"465:465\" - \"993:993\" - \"4190:4190\" [ ... ] Truncated list of neccessary labels on the mailserver container: version : '2' services : mail : image : mailserver/docker-mailserver:release-v7.2.0 restart : always networks : - proxy labels : - \"traefik.enable=true\" - \"traefik.tcp.routers.smtp.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp.entrypoints=smtp\" - \"traefik.tcp.routers.smtp.service=smtp\" - \"traefik.tcp.services.smtp.loadbalancer.server.port=25\" - \"traefik.tcp.services.smtp.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.smtp-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp-ssl.entrypoints=smtp-ssl\" - \"traefik.tcp.routers.smtp-ssl.service=smtp-ssl\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.server.port=465\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.imap-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.imap-ssl.entrypoints=imap-ssl\" - \"traefik.tcp.routers.imap-ssl.service=imap-ssl\" - \"traefik.tcp.services.imap-ssl.loadbalancer.server.port=10993\" - \"traefik.tcp.services.imap-ssl.loadbalancer.proxyProtocol.version=2\" - \"traefik.tcp.routers.sieve.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.sieve.entrypoints=sieve\" - \"traefik.tcp.routers.sieve.service=sieve\" - \"traefik.tcp.services.sieve.loadbalancer.server.port=4190\" [ ... ] Keep in mind that it is neccessary to use port 10993 here. More information below at dovecot configuration.","title":"Configuration of the used Proxy Software"},{"location":"examples/tutorials/mailserver-behind-proxy/#configuration-of-the-backend-dovecot-and-postfix","text":"The following changes can be achived completely by adding the content to the appropriate files by using the projects function to overwrite config files . Changes for postfix can be applied by adding the following content to config/postfix-main.cf : postscreen_upstream_proxy_protocol = haproxy and to config/postfix-master.cf : submission/inet/smtpd_upstream_proxy_protocol = haproxy smtps/inet/smtpd_upstream_proxy_protocol = haproxy Changes for dovecot can be applied by adding the following content to config/dovecot.cf : haproxy_trusted_networks = <your-proxy-ip>, <optional-cidr-notation> haproxy_timeout = 3 secs service imap-login { inet_listener imaps { haproxy = yes ssl = yes port = 10993 } } Note Port 10993 is used here to avoid conflicts with internal systems like postscreen and amavis as they will exchange messages on the default port and obviously have a different origin then compared to the proxy.","title":"Configuration of the Backend (dovecot and postfix)"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/","text":"Building a Forward-Only Mailserver A forward-only mailserver does not have any local mailboxes. Instead, it has only aliases that forward emails to external email accounts (for example to a gmail account). You can also send email from the localhost (the computer where the mailserver is installed), using as sender any of the alias addresses. The important settings for this setup (on mailserver.env ) are these: PERMIT_DOCKER = host ENABLE_POP3 = ENABLE_CLAMAV = 0 SMTP_ONLY = 1 ENABLE_SPAMASSASSIN = 0 ENABLE_FETCHMAIL = 0 Since there are no local mailboxes, we use SMTP_ONLY=1 to disable dovecot . We disable as well the other services that are related to local mailboxes ( POP3 , ClamAV , SpamAssassin , etc.) We can create aliases with ./setup.sh , like this: ./setup.sh alias add <alias-address> <external-email-account> Authenticating with LDAP If you want to send emails from outside the mailserver you have to authenticate somehow (with a username and password). One way of doing it is described in this discussion . However if there are many user accounts, it is better to use authentication with LDAP. The settings for this on mailserver.env are: ENABLE_LDAP = 1 LDAP_START_TLS = yes LDAP_SERVER_HOST = ldap.example.org LDAP_SEARCH_BASE = ou=users,dc=example,dc=org LDAP_BIND_DN = cn=mailserver,dc=example,dc=org LDAP_BIND_PW = pass1234 ENABLE_SASLAUTHD = 1 SASLAUTHD_MECHANISMS = ldap SASLAUTHD_LDAP_SERVER = ldap.example.org SASLAUTHD_LDAP_SSL = 0 SASLAUTHD_LDAP_START_TLS = yes SASLAUTHD_LDAP_BIND_DN = cn=mailserver,dc=example,dc=org SASLAUTHD_LDAP_PASSWORD = pass1234 SASLAUTHD_LDAP_SEARCH_BASE = ou=users,dc=example,dc=org SASLAUTHD_LDAP_FILTER = (&(uid=%U)(objectClass=inetOrgPerson)) My LDAP data structure is very basic, containing only the username, password, and the external email address where to forward emails for this user. An entry looks like this add uid = username,ou=users,dc=example,dc=org uid : username objectClass : inetOrgPerson sn : username cn : username userPassword : {SSHA}abcdefghi123456789 email : real-email-address@external-domain.com This structure is different from what is expected/assumed from the configuration scripts of the mailserver, so it doesn't work just by using the LDAP_QUERY_FILTER_... settings. Instead, I had to do custom configuration . I created the script config/user-patches.sh , with a content like this: #!/bin/bash rm -f /etc/postfix/ { ldap-groups.cf,ldap-domains.cf } postconf \\ \"virtual_mailbox_domains = /etc/postfix/vhost\" \\ \"virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf texthash:/etc/postfix/virtual\" \\ \"smtpd_sender_login_maps = ldap:/etc/postfix/ldap-users.cf\" sed -i /etc/postfix/ldap-users.cf \\ -e '/query_filter/d' \\ -e '/result_attribute/d' \\ -e '/result_format/d' cat <<EOF >> /etc/postfix/ldap-users.cf query_filter = (uid=%u) result_attribute = uid result_format = %s@example.org EOF sed -i /etc/postfix/ldap-aliases.cf \\ -e '/domain/d' \\ -e '/query_filter/d' \\ -e '/result_attribute/d' cat <<EOF >> /etc/postfix/ldap-aliases.cf domain = example.org query_filter = (uid=%u) result_attribute = mail EOF postfix reload You see that besides query_filter , I had to customize as well result_attribute and result_format . Sealso For more details about using LDAP see: LDAP managed mail server with Postfix and Dovecot for multiple domains Seealso Another solution that serves as a forward-only mailserver is this: https://gitlab.com/docker-scripts/postfix Tip One user reports only having success if ENABLE_LDAP=0 was set.","title":"Forward-Only Mailserver with LDAP"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/#building-a-forward-only-mailserver","text":"A forward-only mailserver does not have any local mailboxes. Instead, it has only aliases that forward emails to external email accounts (for example to a gmail account). You can also send email from the localhost (the computer where the mailserver is installed), using as sender any of the alias addresses. The important settings for this setup (on mailserver.env ) are these: PERMIT_DOCKER = host ENABLE_POP3 = ENABLE_CLAMAV = 0 SMTP_ONLY = 1 ENABLE_SPAMASSASSIN = 0 ENABLE_FETCHMAIL = 0 Since there are no local mailboxes, we use SMTP_ONLY=1 to disable dovecot . We disable as well the other services that are related to local mailboxes ( POP3 , ClamAV , SpamAssassin , etc.) We can create aliases with ./setup.sh , like this: ./setup.sh alias add <alias-address> <external-email-account>","title":"Building a Forward-Only Mailserver"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/#authenticating-with-ldap","text":"If you want to send emails from outside the mailserver you have to authenticate somehow (with a username and password). One way of doing it is described in this discussion . However if there are many user accounts, it is better to use authentication with LDAP. The settings for this on mailserver.env are: ENABLE_LDAP = 1 LDAP_START_TLS = yes LDAP_SERVER_HOST = ldap.example.org LDAP_SEARCH_BASE = ou=users,dc=example,dc=org LDAP_BIND_DN = cn=mailserver,dc=example,dc=org LDAP_BIND_PW = pass1234 ENABLE_SASLAUTHD = 1 SASLAUTHD_MECHANISMS = ldap SASLAUTHD_LDAP_SERVER = ldap.example.org SASLAUTHD_LDAP_SSL = 0 SASLAUTHD_LDAP_START_TLS = yes SASLAUTHD_LDAP_BIND_DN = cn=mailserver,dc=example,dc=org SASLAUTHD_LDAP_PASSWORD = pass1234 SASLAUTHD_LDAP_SEARCH_BASE = ou=users,dc=example,dc=org SASLAUTHD_LDAP_FILTER = (&(uid=%U)(objectClass=inetOrgPerson)) My LDAP data structure is very basic, containing only the username, password, and the external email address where to forward emails for this user. An entry looks like this add uid = username,ou=users,dc=example,dc=org uid : username objectClass : inetOrgPerson sn : username cn : username userPassword : {SSHA}abcdefghi123456789 email : real-email-address@external-domain.com This structure is different from what is expected/assumed from the configuration scripts of the mailserver, so it doesn't work just by using the LDAP_QUERY_FILTER_... settings. Instead, I had to do custom configuration . I created the script config/user-patches.sh , with a content like this: #!/bin/bash rm -f /etc/postfix/ { ldap-groups.cf,ldap-domains.cf } postconf \\ \"virtual_mailbox_domains = /etc/postfix/vhost\" \\ \"virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf texthash:/etc/postfix/virtual\" \\ \"smtpd_sender_login_maps = ldap:/etc/postfix/ldap-users.cf\" sed -i /etc/postfix/ldap-users.cf \\ -e '/query_filter/d' \\ -e '/result_attribute/d' \\ -e '/result_format/d' cat <<EOF >> /etc/postfix/ldap-users.cf query_filter = (uid=%u) result_attribute = uid result_format = %s@example.org EOF sed -i /etc/postfix/ldap-aliases.cf \\ -e '/domain/d' \\ -e '/query_filter/d' \\ -e '/result_attribute/d' cat <<EOF >> /etc/postfix/ldap-aliases.cf domain = example.org query_filter = (uid=%u) result_attribute = mail EOF postfix reload You see that besides query_filter , I had to customize as well result_attribute and result_format . Sealso For more details about using LDAP see: LDAP managed mail server with Postfix and Dovecot for multiple domains Seealso Another solution that serves as a forward-only mailserver is this: https://gitlab.com/docker-scripts/postfix Tip One user reports only having success if ENABLE_LDAP=0 was set.","title":"Authenticating with LDAP"}]}
\ No newline at end of file
+{"config":{"lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"","text":"Welcome to the Extended Documentation for docker-mailserver ! Please first have a look at the README.md to setup and configure this server. This documentation provides you with advanced configuration, detailed examples, and hints. Getting Started The script setup.sh is supplied with this project. It supports you in configuring and administrating your server. Information on how to get it and how to use it is available on a dedicated page . Be aware that advanced tasks may still require tweaking environment variables, reading through documentation and sometimes inspecting your running container for debugging purposes. After all, a mail server is a complex arrangement of various programs. A list of all configuration options is provided in ENVIRONMENT.md . The README.md is a good starting point to understand what this image is capable of. A list of all optional and automatically created configuration files and directories is available on the dedicated page . Tip See the FAQ for some more tips! Important If you'd like to change, patch or alter files or behavior of docker-mailserver , you can use a script. Just place it in the config/ folder that is created on startup and call it user-patches.sh . If you'd like to see the full documentation and an example, visit the 'Modifications via Script' page . Contributing We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the Contributing section .","title":"Home"},{"location":"#welcome-to-the-extended-documentation-for-docker-mailserver","text":"Please first have a look at the README.md to setup and configure this server. This documentation provides you with advanced configuration, detailed examples, and hints.","title":"Welcome to the Extended Documentation for docker-mailserver!"},{"location":"#getting-started","text":"The script setup.sh is supplied with this project. It supports you in configuring and administrating your server. Information on how to get it and how to use it is available on a dedicated page . Be aware that advanced tasks may still require tweaking environment variables, reading through documentation and sometimes inspecting your running container for debugging purposes. After all, a mail server is a complex arrangement of various programs. A list of all configuration options is provided in ENVIRONMENT.md . The README.md is a good starting point to understand what this image is capable of. A list of all optional and automatically created configuration files and directories is available on the dedicated page . Tip See the FAQ for some more tips! Important If you'd like to change, patch or alter files or behavior of docker-mailserver , you can use a script. Just place it in the config/ folder that is created on startup and call it user-patches.sh . If you'd like to see the full documentation and an example, visit the 'Modifications via Script' page .","title":"Getting Started"},{"location":"#contributing","text":"We are always happy to welcome new contributors. For guidelines and entrypoints please have a look at the Contributing section .","title":"Contributing"},{"location":"faq/","text":"What kind of database are you using? None! No database is required. Filesystem is the database. This image is based on config files that can be persisted using Docker volumes, and as such versioned, backed up and so forth. Where are emails stored? Mails are stored in /var/mail/${domain}/${username} . Since v9.0.0 it is possible to add custom user_attributes for each accounts to have a different mailbox configuration (See #1792 ). Warning You should use a data volume container for /var/mail to persist data. Otherwise, your data may be lost. How to alter the running mailserver instance without relaunching the container? docker-mailserver aggregates multiple \"sub-services\", such as Postfix, Dovecot, Fail2ban, SpamAssassin, etc. In many cases, one may edit a sub-service's config and reload that very sub-service, without stopping and relaunching the whole mail server. In order to do so, you'll probably want to push your config updates to your server through a Docker volume, then restart the sub-service to apply your changes, using supervisorctl . For instance, after editing fail2ban's config: supervisorctl restart fail2ban . See supervisorctl's documentation . Tip To add, update or delete an email account; there is no need to restart postfix / dovecot service inside the container after using setup.sh script. For more information, see #1639 . How can I sync container with host date/time? Timezone? Share the host's /etc/localtime with the docker-mailserver container, using a Docker volume: volumes : - /etc/localtime:/etc/localtime:ro Optional Add one line to .env or env-mailserver to set timetzone for container, for example: TZ = Europe/Berlin Check here for the tz name list What is the file format? All files are using the Unix format with LF line endings. Please do not use CRLF . What about backups? Assuming that you use docker-compose and a data volumes, you can backup your user mails like this: docker run --rm -ti \\ -v maildata:/var/mail \\ -v mailstate:/var/mail-state \\ -v /backup/mail:/backup \\ alpine:3.2 \\ tar czf \"/backup/mail- $( date +%y%m%d-%H%M%S ) .tgz\" /var/mail /var/mail-state find /backup/mail -type f -mtime +30 -exec rm -f {} \\; What about mail-state folder? This folder consolidates all data generated by the server itself to persist when you upgrade. Example of data folder persisted: lib-amavis, lib-clamav, lib-fail2ban, lib-postfix, lib-postgrey, lib-spamassasin, lib-spamassassin, spool-postfix, ... How can I configure my email client? Login are full email address ( user@domain.com ). # imap username : <user1@domain.tld> password : <mypassword> server : <mail.domain.tld> imap port : 143 or 993 with ssl (recommended) imap path prefix : INBOX # smtp smtp port : 25 or 587 with ssl (recommended) username : <user1@domain.tld> password : <mypassword> Please use STARTTLS . How can I manage my custom SpamAssassin rules? Antispam rules are managed in config/spamassassin-rules.cf . What are acceptable SA_SPAM_SUBJECT values? For no subject set SA_SPAM_SUBJECT=undef . For a trailing white-space subject one can define the whole variable with quotes in docker-compose.yml : environment : - \"SA_SPAM_SUBJECT=[SPAM] \" Can I use naked/bare domains (no host name)? Yes, but not without some configuration changes. Normally it is assumed that docker-mailserver runs on a host with a name, so the fully qualified host name might be mail.example.com with the domain example.com . The MX records point to mail.example.com . To use a bare domain where the host name is example.com and the domain is also example.com , change mydestination : From: mydestination = $myhostname, localhost.$mydomain, localhost To: mydestination = localhost.$mydomain, localhost Add the latter line to config/postfix-main.cf . That should work. Without that change there will be warnings in the logs like: warning: do not list domain example.com in BOTH mydestination and virtual_mailbox_domains Plus of course mail delivery fails. Why are SpamAssassin x-headers not inserted into my sample.domain.com subdomain emails? In the default setup, amavis only applies SpamAssassin x-headers into domains matching the template listed in the config file ( 05-domain_id in the amavis defaults). The default setup @local_domains_acl = ( \".$mydomain\" ); does not match subdomains. To match subdomains, you can override the @local_domains_acl directive in the amavis user config file 50-user with @local_domains_maps = (\".\"); to match any sort of domain template. How can I make SpamAssassin better recognize spam? Put received spams in .Junk/ imap folder using SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1 and add a user cron like the following: # This assumes you're having `environment: ONE_DIR=1` in the `mailserver.env`, # with a consolidated config in `/var/mail-state` # # m h dom mon dow command # Everyday 2:00AM, learn spam from a specific user 0 2 * * * docker exec mail sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin If you run the server with docker-compose , you can leverage on docker configs and the mailserver's own cron. This is less problematic than the simple solution shown above, because it decouples the learning from the host on which the mailserver is running and avoids errors if the server is not running. The following configuration works nicely: Example Create a system cron file: # in the docker-compose.yml root directory mkdir cron touch cron/sa-learn chown root:root cron/sa-learn chmod 0644 cron/sa-learn Edit the system cron file nano cron/sa-learn , and set an appropriate configuration: # This assumes you're having `environment: ONE_DIR=1` in the env-mailserver, # with a consolidated config in `/var/mail-state` # # m h dom mon dow user command # # Everyday 2:00AM, learn spam from a specific user # spam: junk directory 0 2 * * * root sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 2 * * * root sa-learn --ham /var/mail/domain.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 2 * * * root sa-learn --ham /var/mail/domain.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin # # Everyday 3:00AM, learn spam from all users of a domain # spam: junk directory 0 3 * * * root sa-learn --spam /var/mail/otherdomain.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin Then with plain docker-compose : services : mail : image : mailserver/docker-mailserver:latest volumes : - ./cron/sa-learn:/etc/cron.d/sa-learn Or with docker swarm : version : \"3.3\" services : mail : image : mailserver/docker-mailserver:latest # ... configs : - source : my_sa_crontab target : /etc/cron.d/sa-learn configs : my_sa_crontab : file : ./cron/sa-learn With the default settings, SpamAssassin will require 200 mails trained for spam (for example with the method explained above) and 200 mails trained for ham (using the same command as above but using --ham and providing it with some ham mails). Until you provided these 200+200 mails, SpamAssassin will not take the learned mails into account. For further reference, see the SpamAssassin Wiki . How can I configure a catch-all? Considering you want to redirect all incoming e-mails for the domain domain.tld to user1@domain.tld , add the following line to config/postfix-virtual.cf : @domain.tld user1@domain.tld How can I delete all the emails for a specific user? First of all, create a special alias named devnull by editing config/postfix-aliases.cf : devnull: /dev/null Considering you want to delete all the e-mails received for baduser@domain.tld , add the following line to config/postfix-virtual.cf : baduser@domain.tld devnull How do I have more control about what SPAMASSASIN is filtering? By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior: First, make sure you have the proper thresholds set: SA_TAG = -100000.0 SA_TAG2 = 3.75 SA_KILL = 100000.0 The very negative vaue in SA_TAG makes sure, that all emails have the SpamAssassin headers included. SA_TAG2 is the actual threshold to set the YES/NO flag for spam detection. SA_KILL needs to be very high, to make sure nothing is bounced at all ( SA_KILL superseeds SPAMASSASSIN_SPAM_TO_INBOX ) Make sure everything (including SPAM) is delivered to the inbox and not quarantined: SPAMASSASSIN_SPAM_TO_INBOX = 1 Use MOVE_SPAM_TO_JUNK=1 or create a sieve script which puts spam to the Junk folder: require [ \"comparator-i;ascii-numeric\" , \"relational\" , \"fileinto\" ]; if header :contains \"X-Spam-Flag\" \"YES\" { fileinto \"Junk\" ; } elsif allof ( not header :matches \"x-spam-score\" \"-*\" , header :value \"ge\" :comparator \"i;ascii-numeric\" \"x-spam-score\" \"3.75\" ) { fileinto \"Junk\" ; } Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into config/amavis.cf $clean_quarantine_to = \"amavis\\@domain.com\"; $virus_quarantine_to = \"amavis\\@domain.com\"; $banned_quarantine_to = \"amavis\\@domain.com\"; $bad_header_quarantine_to = \"amavis\\@domain.com\"; $spam_quarantine_to = \"amavis\\@domain.com\"; What kind of SSL certificates can I use? You can use the same certificates you use with another mail server. The only thing is that we provide a self-signed certificate tool and a letsencrypt certificate loader. I just moved from my old mail server, but \"it doesn't work\"? If this migration implies a DNS modification, be sure to wait for DNS propagation before opening an issue. Few examples of symptoms can be found here or here . This could be related to a modification of your MX record, or the IP mapped to mail.my-domain.tld . Additionally, validate your DNS configuration . If everything is OK regarding DNS, please provide formatted logs and config files. This will allow us to help you. If we're blind, we won't be able to do anything. What system requirements are required to run docker-mailserver effectively? 1 core and 1GB of RAM + swap partition is recommended to run docker-mailserver with clamav. Otherwise, it could work with 512M of RAM. Warning Clamav can consume a lot of memory, as it reads the entire signature database into RAM. Current figure is about 850M and growing. If you get errors about clamav or amavis failing to allocate memory you need more RAM or more swap and of course docker must be allowed to use swap (not always the case). If you can't use swap at all you may need 3G RAM. Can docker-mailserver run in a Rancher Environment? Yes, by adding the environment variable PERMIT_DOCKER: network . Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . How can I Authenticate Users with SMTP_ONLY ? See #1247 for an example. Todo Write a How-to / Use-Case / Tutorial about authentication with SMTP_ONLY . Common Errors warning: connect to Milter service inet:localhost:8893: Connection refused # DMARC not running # = > /etc/init.d/opendmarc restart warning: connect to Milter service inet:localhost:8891: Connection refused # DKIM not running # = > /etc/init.d/opendkim restart mail amavis[1459]: (01459-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory mail amavis[1459]: (01459-01) (!)ClamAV-clamd: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2) mail amavis[1459]: (01459-01) (!)ClamAV-clamscan av-scanner FAILED: /usr/bin/clamscan KILLED, signal 9 (0009) at (eval 100) line 905. mail amavis[1459]: (01459-01) (!!)AV: ALL VIRUS SCANNERS FAILED # Clamav is not running ( not started or because you don ' t have enough memory ) # = > check requirements and/or start Clamav How to use when behind a Proxy Add to /etc/postfix/main.cf : proxy_interfaces = X.X.X.X (your public IP) What About Updates You can of course use a own script or every now and then pull && stop && rm && start the images but there are tools available for this. There is a section in the Update and Cleanup documentation page that explains how to use it the docker way. How to adjust settings with the user-patches.sh script Suppose you want to change a number of settings that are not listed as variables or add things to the server that are not included? This docker-container has a built-in way to do post-install processes. If you place a script called user-patches.sh in the config directory it will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. The config file I am talking about is this volume in the yml file: ./config/:/tmp/docker-mailserver/ To place such a script you can just make it in the config dir, for instance like this: cd ./config touch user-patches.sh chmod +x user-patches.sh Then fill user-patches.sh with suitable code. If you want to test it you can move into the running container, run it and see if it does what you want. For instance: # start shell in container ./setup.sh debug login # check the file cat /tmp/docker-mailserver/user-patches.sh # run the script /tmp/docker-mailserver/user-patches.sh # exit the container shell back to the host shell exit You can do a lot of things with such a script. You can find an example user-patches.sh script here: example user-patches.sh script Special use-case - Patching the supervisord config It seems worth noting, that the user-patches.sh gets executed trough supervisord. If you need to patch some supervisord config (e.g. /etc/supervisor/conf.d/saslauth.conf ), the patching happens too late. An easy workaround is to make the user-patches.sh reload the supervisord config after patching it: #!/bin/bash sed -i 's/rimap -r/rimap/' /etc/supervisor/conf.d/saslauth.conf supervisorctl update","title":"FAQ"},{"location":"faq/#what-kind-of-database-are-you-using","text":"None! No database is required. Filesystem is the database. This image is based on config files that can be persisted using Docker volumes, and as such versioned, backed up and so forth.","title":"What kind of database are you using?"},{"location":"faq/#where-are-emails-stored","text":"Mails are stored in /var/mail/${domain}/${username} . Since v9.0.0 it is possible to add custom user_attributes for each accounts to have a different mailbox configuration (See #1792 ). Warning You should use a data volume container for /var/mail to persist data. Otherwise, your data may be lost.","title":"Where are emails stored?"},{"location":"faq/#how-to-alter-the-running-mailserver-instance-without-relaunching-the-container","text":"docker-mailserver aggregates multiple \"sub-services\", such as Postfix, Dovecot, Fail2ban, SpamAssassin, etc. In many cases, one may edit a sub-service's config and reload that very sub-service, without stopping and relaunching the whole mail server. In order to do so, you'll probably want to push your config updates to your server through a Docker volume, then restart the sub-service to apply your changes, using supervisorctl . For instance, after editing fail2ban's config: supervisorctl restart fail2ban . See supervisorctl's documentation . Tip To add, update or delete an email account; there is no need to restart postfix / dovecot service inside the container after using setup.sh script. For more information, see #1639 .","title":"How to alter the running mailserver instance without relaunching the container?"},{"location":"faq/#how-can-i-sync-container-with-host-datetime-timezone","text":"Share the host's /etc/localtime with the docker-mailserver container, using a Docker volume: volumes : - /etc/localtime:/etc/localtime:ro Optional Add one line to .env or env-mailserver to set timetzone for container, for example: TZ = Europe/Berlin Check here for the tz name list","title":"How can I sync container with host date/time? Timezone?"},{"location":"faq/#what-is-the-file-format","text":"All files are using the Unix format with LF line endings. Please do not use CRLF .","title":"What is the file format?"},{"location":"faq/#what-about-backups","text":"Assuming that you use docker-compose and a data volumes, you can backup your user mails like this: docker run --rm -ti \\ -v maildata:/var/mail \\ -v mailstate:/var/mail-state \\ -v /backup/mail:/backup \\ alpine:3.2 \\ tar czf \"/backup/mail- $( date +%y%m%d-%H%M%S ) .tgz\" /var/mail /var/mail-state find /backup/mail -type f -mtime +30 -exec rm -f {} \\;","title":"What about backups?"},{"location":"faq/#what-about-mail-state-folder","text":"This folder consolidates all data generated by the server itself to persist when you upgrade. Example of data folder persisted: lib-amavis, lib-clamav, lib-fail2ban, lib-postfix, lib-postgrey, lib-spamassasin, lib-spamassassin, spool-postfix, ...","title":"What about mail-state folder?"},{"location":"faq/#how-can-i-configure-my-email-client","text":"Login are full email address ( user@domain.com ). # imap username : <user1@domain.tld> password : <mypassword> server : <mail.domain.tld> imap port : 143 or 993 with ssl (recommended) imap path prefix : INBOX # smtp smtp port : 25 or 587 with ssl (recommended) username : <user1@domain.tld> password : <mypassword> Please use STARTTLS .","title":"How can I configure my email client?"},{"location":"faq/#how-can-i-manage-my-custom-spamassassin-rules","text":"Antispam rules are managed in config/spamassassin-rules.cf .","title":"How can I manage my custom SpamAssassin rules?"},{"location":"faq/#what-are-acceptable-sa_spam_subject-values","text":"For no subject set SA_SPAM_SUBJECT=undef . For a trailing white-space subject one can define the whole variable with quotes in docker-compose.yml : environment : - \"SA_SPAM_SUBJECT=[SPAM] \"","title":"What are acceptable SA_SPAM_SUBJECT values?"},{"location":"faq/#can-i-use-nakedbare-domains-no-host-name","text":"Yes, but not without some configuration changes. Normally it is assumed that docker-mailserver runs on a host with a name, so the fully qualified host name might be mail.example.com with the domain example.com . The MX records point to mail.example.com . To use a bare domain where the host name is example.com and the domain is also example.com , change mydestination : From: mydestination = $myhostname, localhost.$mydomain, localhost To: mydestination = localhost.$mydomain, localhost Add the latter line to config/postfix-main.cf . That should work. Without that change there will be warnings in the logs like: warning: do not list domain example.com in BOTH mydestination and virtual_mailbox_domains Plus of course mail delivery fails.","title":"Can I use naked/bare domains (no host name)?"},{"location":"faq/#why-are-spamassassin-x-headers-not-inserted-into-my-sampledomaincom-subdomain-emails","text":"In the default setup, amavis only applies SpamAssassin x-headers into domains matching the template listed in the config file ( 05-domain_id in the amavis defaults). The default setup @local_domains_acl = ( \".$mydomain\" ); does not match subdomains. To match subdomains, you can override the @local_domains_acl directive in the amavis user config file 50-user with @local_domains_maps = (\".\"); to match any sort of domain template.","title":"Why are SpamAssassin x-headers not inserted into my sample.domain.com subdomain emails?"},{"location":"faq/#how-can-i-make-spamassassin-better-recognize-spam","text":"Put received spams in .Junk/ imap folder using SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1 and add a user cron like the following: # This assumes you're having `environment: ONE_DIR=1` in the `mailserver.env`, # with a consolidated config in `/var/mail-state` # # m h dom mon dow command # Everyday 2:00AM, learn spam from a specific user 0 2 * * * docker exec mail sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin If you run the server with docker-compose , you can leverage on docker configs and the mailserver's own cron. This is less problematic than the simple solution shown above, because it decouples the learning from the host on which the mailserver is running and avoids errors if the server is not running. The following configuration works nicely: Example Create a system cron file: # in the docker-compose.yml root directory mkdir cron touch cron/sa-learn chown root:root cron/sa-learn chmod 0644 cron/sa-learn Edit the system cron file nano cron/sa-learn , and set an appropriate configuration: # This assumes you're having `environment: ONE_DIR=1` in the env-mailserver, # with a consolidated config in `/var/mail-state` # # m h dom mon dow user command # # Everyday 2:00AM, learn spam from a specific user # spam: junk directory 0 2 * * * root sa-learn --spam /var/mail/domain.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 2 * * * root sa-learn --ham /var/mail/domain.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 2 * * * root sa-learn --ham /var/mail/domain.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin # # Everyday 3:00AM, learn spam from all users of a domain # spam: junk directory 0 3 * * * root sa-learn --spam /var/mail/otherdomain.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: archive directories 15 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin # ham: inbox subdirectories 30 3 * * * root sa-learn --ham /var/mail/otherdomain.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin Then with plain docker-compose : services : mail : image : mailserver/docker-mailserver:latest volumes : - ./cron/sa-learn:/etc/cron.d/sa-learn Or with docker swarm : version : \"3.3\" services : mail : image : mailserver/docker-mailserver:latest # ... configs : - source : my_sa_crontab target : /etc/cron.d/sa-learn configs : my_sa_crontab : file : ./cron/sa-learn With the default settings, SpamAssassin will require 200 mails trained for spam (for example with the method explained above) and 200 mails trained for ham (using the same command as above but using --ham and providing it with some ham mails). Until you provided these 200+200 mails, SpamAssassin will not take the learned mails into account. For further reference, see the SpamAssassin Wiki .","title":"How can I make SpamAssassin better recognize spam?"},{"location":"faq/#how-can-i-configure-a-catch-all","text":"Considering you want to redirect all incoming e-mails for the domain domain.tld to user1@domain.tld , add the following line to config/postfix-virtual.cf : @domain.tld user1@domain.tld","title":"How can I configure a catch-all?"},{"location":"faq/#how-can-i-delete-all-the-emails-for-a-specific-user","text":"First of all, create a special alias named devnull by editing config/postfix-aliases.cf : devnull: /dev/null Considering you want to delete all the e-mails received for baduser@domain.tld , add the following line to config/postfix-virtual.cf : baduser@domain.tld devnull","title":"How can I delete all the emails for a specific user?"},{"location":"faq/#how-do-i-have-more-control-about-what-spamassasin-is-filtering","text":"By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior: First, make sure you have the proper thresholds set: SA_TAG = -100000.0 SA_TAG2 = 3.75 SA_KILL = 100000.0 The very negative vaue in SA_TAG makes sure, that all emails have the SpamAssassin headers included. SA_TAG2 is the actual threshold to set the YES/NO flag for spam detection. SA_KILL needs to be very high, to make sure nothing is bounced at all ( SA_KILL superseeds SPAMASSASSIN_SPAM_TO_INBOX ) Make sure everything (including SPAM) is delivered to the inbox and not quarantined: SPAMASSASSIN_SPAM_TO_INBOX = 1 Use MOVE_SPAM_TO_JUNK=1 or create a sieve script which puts spam to the Junk folder: require [ \"comparator-i;ascii-numeric\" , \"relational\" , \"fileinto\" ]; if header :contains \"X-Spam-Flag\" \"YES\" { fileinto \"Junk\" ; } elsif allof ( not header :matches \"x-spam-score\" \"-*\" , header :value \"ge\" :comparator \"i;ascii-numeric\" \"x-spam-score\" \"3.75\" ) { fileinto \"Junk\" ; } Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into config/amavis.cf $clean_quarantine_to = \"amavis\\@domain.com\"; $virus_quarantine_to = \"amavis\\@domain.com\"; $banned_quarantine_to = \"amavis\\@domain.com\"; $bad_header_quarantine_to = \"amavis\\@domain.com\"; $spam_quarantine_to = \"amavis\\@domain.com\";","title":"How do I have more control about what SPAMASSASIN is filtering?"},{"location":"faq/#what-kind-of-ssl-certificates-can-i-use","text":"You can use the same certificates you use with another mail server. The only thing is that we provide a self-signed certificate tool and a letsencrypt certificate loader.","title":"What kind of SSL certificates can I use?"},{"location":"faq/#i-just-moved-from-my-old-mail-server-but-it-doesnt-work","text":"If this migration implies a DNS modification, be sure to wait for DNS propagation before opening an issue. Few examples of symptoms can be found here or here . This could be related to a modification of your MX record, or the IP mapped to mail.my-domain.tld . Additionally, validate your DNS configuration . If everything is OK regarding DNS, please provide formatted logs and config files. This will allow us to help you. If we're blind, we won't be able to do anything.","title":"I just moved from my old mail server, but \"it doesn't work\"?"},{"location":"faq/#what-system-requirements-are-required-to-run-docker-mailserver-effectively","text":"1 core and 1GB of RAM + swap partition is recommended to run docker-mailserver with clamav. Otherwise, it could work with 512M of RAM. Warning Clamav can consume a lot of memory, as it reads the entire signature database into RAM. Current figure is about 850M and growing. If you get errors about clamav or amavis failing to allocate memory you need more RAM or more swap and of course docker must be allowed to use swap (not always the case). If you can't use swap at all you may need 3G RAM.","title":"What system requirements are required to run docker-mailserver effectively?"},{"location":"faq/#can-docker-mailserver-run-in-a-rancher-environment","text":"Yes, by adding the environment variable PERMIT_DOCKER: network . Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker .","title":"Can docker-mailserver run in a Rancher Environment?"},{"location":"faq/#how-can-i-authenticate-users-with-smtp_only","text":"See #1247 for an example. Todo Write a How-to / Use-Case / Tutorial about authentication with SMTP_ONLY .","title":"How can I Authenticate Users with SMTP_ONLY?"},{"location":"faq/#common-errors","text":"warning: connect to Milter service inet:localhost:8893: Connection refused # DMARC not running # = > /etc/init.d/opendmarc restart warning: connect to Milter service inet:localhost:8891: Connection refused # DKIM not running # = > /etc/init.d/opendkim restart mail amavis[1459]: (01459-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory mail amavis[1459]: (01459-01) (!)ClamAV-clamd: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2) mail amavis[1459]: (01459-01) (!)ClamAV-clamscan av-scanner FAILED: /usr/bin/clamscan KILLED, signal 9 (0009) at (eval 100) line 905. mail amavis[1459]: (01459-01) (!!)AV: ALL VIRUS SCANNERS FAILED # Clamav is not running ( not started or because you don ' t have enough memory ) # = > check requirements and/or start Clamav","title":"Common Errors"},{"location":"faq/#how-to-use-when-behind-a-proxy","text":"Add to /etc/postfix/main.cf : proxy_interfaces = X.X.X.X (your public IP)","title":"How to use when behind a Proxy"},{"location":"faq/#what-about-updates","text":"You can of course use a own script or every now and then pull && stop && rm && start the images but there are tools available for this. There is a section in the Update and Cleanup documentation page that explains how to use it the docker way.","title":"What About Updates"},{"location":"faq/#how-to-adjust-settings-with-the-user-patchessh-script","text":"Suppose you want to change a number of settings that are not listed as variables or add things to the server that are not included? This docker-container has a built-in way to do post-install processes. If you place a script called user-patches.sh in the config directory it will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. The config file I am talking about is this volume in the yml file: ./config/:/tmp/docker-mailserver/ To place such a script you can just make it in the config dir, for instance like this: cd ./config touch user-patches.sh chmod +x user-patches.sh Then fill user-patches.sh with suitable code. If you want to test it you can move into the running container, run it and see if it does what you want. For instance: # start shell in container ./setup.sh debug login # check the file cat /tmp/docker-mailserver/user-patches.sh # run the script /tmp/docker-mailserver/user-patches.sh # exit the container shell back to the host shell exit You can do a lot of things with such a script. You can find an example user-patches.sh script here: example user-patches.sh script","title":"How to adjust settings with the user-patches.sh script"},{"location":"faq/#special-use-case-patching-the-supervisord-config","text":"It seems worth noting, that the user-patches.sh gets executed trough supervisord. If you need to patch some supervisord config (e.g. /etc/supervisor/conf.d/saslauth.conf ), the patching happens too late. An easy workaround is to make the user-patches.sh reload the supervisord config after patching it: #!/bin/bash sed -i 's/rimap -r/rimap/' /etc/supervisor/conf.d/saslauth.conf supervisorctl update","title":"Special use-case - Patching the supervisord config"},{"location":"introduction/","text":"An Introduction to Mail Servers What is a mail server and how does it perform its duty? Here's an introduction to the field that covers everything you need to know to get started with docker-mailserver . Anatomy of a Mail Server A mail server is only a part of a client-server relationship aimed at exchanging information in the form of emails . Exchanging emails requires using specific means (programs and protocols). docker-mailserver provides you with the server portion, whereas the client can be anything from a terminal via text-based software (eg. Mutt ) to a fully-fledged desktop application (eg. Mozilla Thunderbird , Microsoft Outlook \u2026), to a web interface, etc. Unlike the client-side where usually a single program is used to perform retrieval and viewing of emails, the server-side is composed of many specialized components. The mail server is capable of accepting, forwarding, delivering, storing and overall exchanging messages, but each one of those tasks is actually handled by a specific piece of software. All of these \"agents\" must be integrated with one another for the exchange to take place. docker-mailserver has made informed choices about those components and their (default) configuration. It offers a comprehensive platform to run a fully featured mail server in no time! Components The following components are required to create a complete delivery chain : MUA: a Mail User Agent is basically any client/program capable of sending emails to arbitrary mail servers; while also capable of fetching emails from mail servers for presenting them to the end users. MTA: a Mail Transfer Agent is the so-called \"mail server\" as seen from the MUA's perspective. It's a piece of software dedicated to accepting submitted emails, then forwarding them-where exactly will depend on an email's final destination. If the receiving MTA is responsible for the hostname the email is sent to, then an MTA is to forward that email to an MDA (see below). Otherwise, it is to transfer (ie. forward, relay) to another MTA, \"closer\" to the email's final destination. MDA: a Mail Delivery Agent is responsible for accepting emails from an MTA and dropping them into their recipients' mailboxes, whichever the form. Here's a schematic view of mail delivery: Sending an email: MUA ----> MTA ----> (MTA relays) ----> MDA Fetching an email: MUA <--------------------------------- MDA There may be other moving parts or sub-divisions (for instance, at several points along the chain, specialized programs may be analyzing, filtering, bouncing, editing\u2026 the exchanged emails). In a nutshell, docker-mailserver provides you with the following components: A MTA: Postfix A MDA: Dovecot A bunch of additional programs to improve security and emails processing Here's where docker-mailserver 's toochain fits within the delivery chain: docker-mailserver is here: \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 Sending an email: MUA ---> MTA ---> (MTA relays) ---> \u252b MTA \u256e \u2503 Fetching an email: MUA <------------------------------ \u252b MDA \u256f \u2503 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Example Let's say Alice owns a Gmail account, alice@gmail.com ; and Bob owns an account on a docker-mailserver 's instance, bob@dms.io . Make sure not to conflate these two very different scenarios: A) Alice sends an email to bob@dms.io => the email is first submitted to MTA smtp.gmail.com , then relayed to MTA smtp.dms.io where it is then delivered into Bob's mailbox. B) Bob sends an email to alice@gmail.com => the email is first submitted to MTA smtp.dms.io , then relayed to MTA smtp.gmail.com and eventually delivered into Alice's mailbox. In scenario A the email leaves Gmail's premises, that email's initial submission is not handled by your docker-mailserver instance(MTA); it merely receives the email after it has been relayed by Gmail's MTA. In scenario B , the docker-mailserver instance(MTA) handles the submission, prior to relaying. The main takeaway is that when a third-party sends an email to a docker-mailserver instance(MTA) (or any MTA for that matter), it does not establish a direct connection with that MTA. Email submission first goes through the sender's MTA, then some relaying between at least two MTAs is required to deliver the email. That will prove very important when it comes to security management. One important thing to note is that MTA and MDA programs may actually handle multiple tasks (which is the case with docker-mailserver 's Postfix and Dovecot). For instance, Postfix is both an SMTP server (accepting emails) and a relaying MTA (transferring, ie. sending emails to other MTA/MDA); Dovecot is both an MDA (delivering emails in mailboxes) and an IMAP server (allowing MUAs to fetch emails from the mail server ). On top of that, Postfix may rely on Dovecot's authentication capabilities. The exact relationship between all the components and their respective (sometimes shared) responsibilities is beyond the scope of this document. Please explore this wiki & the web to get more insights about docker-mailserver 's toolchain. About Security & Ports In the previous section, different components were outlined. Each one of those is responsible for a specific task, it has a specific purpose. Three main purposes exist when it comes to exchanging emails: Submission : for a MUA (client), the act of sending actual email data over the network, toward an MTA (server). Transfer (aka. Relay ): for an MTA, the act of sending actual email data over the network, toward another MTA (server) closer to the final destination (where an MTA will forward data to an MDA). Retrieval : for a MUA (client), the act of fetching actual email data over the network, from an MDA. Postfix handles Submission (and might handle Relay), whereas Dovecot handles Retrieval. They both need to be accessible by MUAs in order to act as servers, therefore they expose public endpoints on specific TCP ports (see. Understanding the ports for more details). Those endpoints may be secured, using an encryption scheme and TLS certificates. When it comes to the specifics of email exchange, we have to look at protocols and ports enabled to support all the identified purposes. There are several valid options and they've been evolving overtime. Here's docker-mailserver 's default configuration: Purpose Protocol TCP port / encryption Transfer/Relay SMTP 25 (unencrypted) Submission ESMTP 587 (encrypted using STARTTLS) Retrieval IMAP4 143 (encrypted using STARTTLS) + 993 (TLS) Retrieval POP3 Not activated \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Transfer/Relay \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 MUA ----- STARTTLS ---> \u2524(587) MTA \u256e (25)\u251c <-- cleartext ---> \u250a Third-party MTA \u250a ---- cleartext ---> \u2524(25) \u2502 | \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 |\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504| MUA <---- STARTTLS ---- \u2524(143) MDA \u256f | <-- enforced TLS -- \u2524(993) | \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Retrieval \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b If you're new to email infrastructure, both that table and the schema may be confusing. Read on to expand your understanding and learn about docker-mailserver 's configuration, including how you can customize it. Submission - SMTP For a MUA to send an email to an MTA, it needs to establish a connection with that server, then push data packets over a network that both the MUA (client) and the MTA (server) are connected to. The server implements the SMTP protocol, which makes it capable of handling Submission . In the case of docker-mailserver , the MTA (SMTP server) is Postfix. The MUA (client) may vary, yet its Submission request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Two kinds of Submission Let's say I own an account on a docker-mailserver instance, me@dms.io . There are two very different use-cases for Submission: I want to send an email to someone Someone wants to send you an email In the first scenario, I will be submitting my email directly to my docker-mailserver instance/MTA (Postfix), which will then relay the email to its recipient's MTA for final delivery. In this case, Submission is first handled by establishing a direct connection to my own MTA-so at least for this portion of the delivery chain, I'll be able to ensure security/confidentiality. Not so much for what comes next, ie. relaying between MTAs and final delivery. In the second scenario, a third-party email account owner will be first submitting an email to some third-party MTA. I have no control over this initial portion of the delivery chain, nor do I have control over the relaying that comes next. My MTA will merely accept a relayed email coming \"out of the blue\". My MTA will thus have to support two kinds of Submission: Outward Submission (self-owned email is submitted directly to the MTA, then is relayed \"outside\") Inward Submission (third-party email has been submitted & relayed, then is accepted \"inside\" by the MTA) \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me ---------------> \u2524 \u251c -----------------> \u250a \u250a \u2502 My MTA \u2502 \u250a Third-party MTA \u250a \u2502 \u251c <----------------- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Outward Submission The best practice as of 2020 when it comes to securing Outward Submission is to use Implicit TLS connection via ESMTP on port 465 (see RFC 8314 ). Let's break it down. Implicit TLS means the server enforces the client into using an encrypted TCP connection, using TLS . With this kind of connection, the MUA has to establish a TLS-encrypted connection from the get go (TLS is implied, hence the name \"Implicit\"). Any client attempting to either submit email in cleartext (unencrypted, not secure), or requesting a cleartext connection to be upgraded to a TLS-encrypted one using STARTTLS , is to be denied. Implicit TLS is sometimes called Enforced TLS for that reason. ESMTP is SMTP + extensions. It's the version of the SMTP protocol that most mail servers speak nowadays. For the purpose of this documentation, ESMTP and SMTP are synonymous. Port 465 is the reserved TCP port for Implicit TLS Submission (since 2018). There is actually a boisterous history to that ports usage, but let's keep it simple. Warning This Submission setup is sometimes refered to as SMTPS . Long story short: this is incorrect and should be avoided. Although a very satisfactory setup, Implicit TLS on port 465 is somewhat \"cutting edge\". There exists another well established mail Submission setup that must be supported as well, SMTP+STARTTLS on port 587. It uses Explicit TLS: the client starts with a cleartext connection, then the server informs a TLS-encrypted \"upgraded\" connection may be established, and the client may eventually decide to establish it prior to the Submission. Basically it's an opportunistic, opt-in TLS upgrade of the connection between the client and the server, at the client's discretion, using a mechanism known as STARTTLS that both ends need to implement. In many implementations, the mail server doesn't enforce TLS encryption, for backwards compatibility. Clients are thus free to deny the TLS-upgrade proposal (or misled by a hacker about STARTTLS not being available), and the server accepts unencrypted (cleartext) mail exchange, which poses a confidentiality threat and, to some extent, spam issues. RFC 8314 (section 3.3) recommends for mail servers to support both Implicit and Explicit TLS for Submission, and to enforce TLS-encryption on ports 587 (Explicit TLS) and 465 (Implicit TLS). That's exactly docker-mailserver 's default configuration: abiding by RFC 8314, it enforces a strict ( encrypt ) STARTTLS policy , where a denied TLS upgrade terminates the connection thus (hopefully but at the client's discretion) preventing unencrypted (cleartext) Submission. docker-mailserver 's default configuration enables and requires Explicit TLS (STARTTLS) on port 587 for Outward Submission. It does not enable Implicit TLS Outward Submission on port 465 by default. One may enable it through simple custom configuration, either as a replacement or (better!) supplementary mean of secure Submission. It does not support old MUAs (clients) not supporting TLS encryption on ports 587/465 (those should perform Submission on port 25, more details below). One may relax that constraint through advanced custom configuration, for backwards compatibility. A final Outward Submission setup exists and is akin SMTP+STARTTLS on port 587, but on port 25. That port has historically been reserved specifically for unencrypted (cleartext) mail exchange though, making STARTTLS a bit wrong to use. As is expected by RFC 5321 , docker-mailserver uses port 25 for unencrypted Submission in order to support older clients, but most importantly for unencrypted Transfer/Relay between MTAs. docker-mailserver 's default configuration also enables unencrypted (cleartext) on port 25 for Outward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Outward Submission. One may also secure Outward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Inward Submission Granted it's still very difficult enforcing encryption between MTAs (Transfer/Relay) without risking dropping emails (when relayed by MTAs not supporting TLS-encryption), Inward Submission is to be handled in cleartext on port 25 by default. docker-mailserver 's default configuration enables unencrypted (cleartext) on port 25 for Inward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Inward Submission. One may also secure Inward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Overall, docker-mailserver 's default configuration for SMTP looks like this: \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me -- cleartext --> \u2524(25) (25)\u251c --- cleartext ---> \u250a \u250a Me -- STARTTLS ---> \u2524(587) My MTA \u2502 \u250a Third-party MTA \u250a \u2502 (25)\u251c <---cleartext ---- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Retrieval - IMAP A MUA willing to fetch an email from a mail server will most likely communicate with its IMAP server. As with SMTP described earlier, communication will take place in the form of data packets exchanged over a network that both the client and the server are connected to. The IMAP protocol makes the server capable of handling Retrieval . In the case of docker-mailserver , the IMAP server is Dovecot. The MUA (client) may vary, yet its Retrieval request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Again, as with SMTP described earlier, the IMAP protocol may be secured with either Implicit TLS (aka. IMAPS / IMAP4S) or Explicit TLS (using STARTTLS). The best practice as of 2020 is to enforce IMAPS on port 993, rather than IMAP+STARTTLS on port 143 (see RFC 8314 ); yet the latter is usually provided for backwards compatibility. docker-mailserver 's default configuration enables both Implicit and Explicit TLS for Retrievial, on ports 993 and 143 respectively. Retrieval - POP3 Similarly to IMAP, the older POP3 protocol may be secured with either Implicit or Explicit TLS. The best practice as of 2020 would be POP3S on port 995, rather than POP3 +STARTTLS on port 110 (see RFC 8314 ). docker-mailserver 's default configuration disables POP3 altogether. One should expect MUAs to use TLS-encrypted IMAP for Retrieval. How does docker-mailserver help with setting everything up? As a batteries included Docker image, docker-mailserver provides you with all the required components and a default configuration, to run a decent and secure mail server. One may then customize all aspects of its internal components. Simple customization is supported through docker-compose configuration and the env-mailserver configuration file. Advanced customization is supported through providing \"monkey-patching\" configuration files and/or deriving your own image from docker-mailserver 's upstream, for a complete control over how things run. On the subject of security, one might consider docker-mailserver 's default configuration to not be 100% secure: it enables unencrypted traffic on port 25 it enables Explicit TLS (STARTTLS) on port 587, instead of Implicit TLS on port 465 We believe docker-mailserver 's default configuration to be a good middle ground: it goes slightly beyond \"old\" (1999) RFC 2487 ; and with developer friendly configuration settings, it makes it pretty easy to abide by the \"newest\" (2018) RFC 8314 . Eventually, it is up to you deciding exactly what kind of transportation/encryption to use and/or enforce, and to customize your instance accordingly (with looser or stricter security). Be also aware that protocols and ports on your server can only go so far with security; third-party MTAs might relay your emails on insecure connections, man-in-the-middle attacks might still prove effective, etc. Advanced counter-measure such as DANE, MTA-STS and/or full body encryption (eg. PGP) should be considered as well for increased confidentiality, but ideally without compromising backwards compatibility so as to not block emails. The README is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.","title":"Introduction"},{"location":"introduction/#an-introduction-to-mail-servers","text":"What is a mail server and how does it perform its duty? Here's an introduction to the field that covers everything you need to know to get started with docker-mailserver .","title":"An Introduction to Mail Servers"},{"location":"introduction/#anatomy-of-a-mail-server","text":"A mail server is only a part of a client-server relationship aimed at exchanging information in the form of emails . Exchanging emails requires using specific means (programs and protocols). docker-mailserver provides you with the server portion, whereas the client can be anything from a terminal via text-based software (eg. Mutt ) to a fully-fledged desktop application (eg. Mozilla Thunderbird , Microsoft Outlook \u2026), to a web interface, etc. Unlike the client-side where usually a single program is used to perform retrieval and viewing of emails, the server-side is composed of many specialized components. The mail server is capable of accepting, forwarding, delivering, storing and overall exchanging messages, but each one of those tasks is actually handled by a specific piece of software. All of these \"agents\" must be integrated with one another for the exchange to take place. docker-mailserver has made informed choices about those components and their (default) configuration. It offers a comprehensive platform to run a fully featured mail server in no time!","title":"Anatomy of a Mail Server"},{"location":"introduction/#components","text":"The following components are required to create a complete delivery chain : MUA: a Mail User Agent is basically any client/program capable of sending emails to arbitrary mail servers; while also capable of fetching emails from mail servers for presenting them to the end users. MTA: a Mail Transfer Agent is the so-called \"mail server\" as seen from the MUA's perspective. It's a piece of software dedicated to accepting submitted emails, then forwarding them-where exactly will depend on an email's final destination. If the receiving MTA is responsible for the hostname the email is sent to, then an MTA is to forward that email to an MDA (see below). Otherwise, it is to transfer (ie. forward, relay) to another MTA, \"closer\" to the email's final destination. MDA: a Mail Delivery Agent is responsible for accepting emails from an MTA and dropping them into their recipients' mailboxes, whichever the form. Here's a schematic view of mail delivery: Sending an email: MUA ----> MTA ----> (MTA relays) ----> MDA Fetching an email: MUA <--------------------------------- MDA There may be other moving parts or sub-divisions (for instance, at several points along the chain, specialized programs may be analyzing, filtering, bouncing, editing\u2026 the exchanged emails). In a nutshell, docker-mailserver provides you with the following components: A MTA: Postfix A MDA: Dovecot A bunch of additional programs to improve security and emails processing Here's where docker-mailserver 's toochain fits within the delivery chain: docker-mailserver is here: \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 Sending an email: MUA ---> MTA ---> (MTA relays) ---> \u252b MTA \u256e \u2503 Fetching an email: MUA <------------------------------ \u252b MDA \u256f \u2503 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b Example Let's say Alice owns a Gmail account, alice@gmail.com ; and Bob owns an account on a docker-mailserver 's instance, bob@dms.io . Make sure not to conflate these two very different scenarios: A) Alice sends an email to bob@dms.io => the email is first submitted to MTA smtp.gmail.com , then relayed to MTA smtp.dms.io where it is then delivered into Bob's mailbox. B) Bob sends an email to alice@gmail.com => the email is first submitted to MTA smtp.dms.io , then relayed to MTA smtp.gmail.com and eventually delivered into Alice's mailbox. In scenario A the email leaves Gmail's premises, that email's initial submission is not handled by your docker-mailserver instance(MTA); it merely receives the email after it has been relayed by Gmail's MTA. In scenario B , the docker-mailserver instance(MTA) handles the submission, prior to relaying. The main takeaway is that when a third-party sends an email to a docker-mailserver instance(MTA) (or any MTA for that matter), it does not establish a direct connection with that MTA. Email submission first goes through the sender's MTA, then some relaying between at least two MTAs is required to deliver the email. That will prove very important when it comes to security management. One important thing to note is that MTA and MDA programs may actually handle multiple tasks (which is the case with docker-mailserver 's Postfix and Dovecot). For instance, Postfix is both an SMTP server (accepting emails) and a relaying MTA (transferring, ie. sending emails to other MTA/MDA); Dovecot is both an MDA (delivering emails in mailboxes) and an IMAP server (allowing MUAs to fetch emails from the mail server ). On top of that, Postfix may rely on Dovecot's authentication capabilities. The exact relationship between all the components and their respective (sometimes shared) responsibilities is beyond the scope of this document. Please explore this wiki & the web to get more insights about docker-mailserver 's toolchain.","title":"Components"},{"location":"introduction/#about-security-ports","text":"In the previous section, different components were outlined. Each one of those is responsible for a specific task, it has a specific purpose. Three main purposes exist when it comes to exchanging emails: Submission : for a MUA (client), the act of sending actual email data over the network, toward an MTA (server). Transfer (aka. Relay ): for an MTA, the act of sending actual email data over the network, toward another MTA (server) closer to the final destination (where an MTA will forward data to an MDA). Retrieval : for a MUA (client), the act of fetching actual email data over the network, from an MDA. Postfix handles Submission (and might handle Relay), whereas Dovecot handles Retrieval. They both need to be accessible by MUAs in order to act as servers, therefore they expose public endpoints on specific TCP ports (see. Understanding the ports for more details). Those endpoints may be secured, using an encryption scheme and TLS certificates. When it comes to the specifics of email exchange, we have to look at protocols and ports enabled to support all the identified purposes. There are several valid options and they've been evolving overtime. Here's docker-mailserver 's default configuration: Purpose Protocol TCP port / encryption Transfer/Relay SMTP 25 (unencrypted) Submission ESMTP 587 (encrypted using STARTTLS) Retrieval IMAP4 143 (encrypted using STARTTLS) + 993 (TLS) Retrieval POP3 Not activated \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Transfer/Relay \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 MUA ----- STARTTLS ---> \u2524(587) MTA \u256e (25)\u251c <-- cleartext ---> \u250a Third-party MTA \u250a ---- cleartext ---> \u2524(25) \u2502 | \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 |\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504| MUA <---- STARTTLS ---- \u2524(143) MDA \u256f | <-- enforced TLS -- \u2524(993) | \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Retrieval \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b If you're new to email infrastructure, both that table and the schema may be confusing. Read on to expand your understanding and learn about docker-mailserver 's configuration, including how you can customize it.","title":"About Security &amp; Ports"},{"location":"introduction/#submission-smtp","text":"For a MUA to send an email to an MTA, it needs to establish a connection with that server, then push data packets over a network that both the MUA (client) and the MTA (server) are connected to. The server implements the SMTP protocol, which makes it capable of handling Submission . In the case of docker-mailserver , the MTA (SMTP server) is Postfix. The MUA (client) may vary, yet its Submission request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping.","title":"Submission - SMTP"},{"location":"introduction/#two-kinds-of-submission","text":"Let's say I own an account on a docker-mailserver instance, me@dms.io . There are two very different use-cases for Submission: I want to send an email to someone Someone wants to send you an email In the first scenario, I will be submitting my email directly to my docker-mailserver instance/MTA (Postfix), which will then relay the email to its recipient's MTA for final delivery. In this case, Submission is first handled by establishing a direct connection to my own MTA-so at least for this portion of the delivery chain, I'll be able to ensure security/confidentiality. Not so much for what comes next, ie. relaying between MTAs and final delivery. In the second scenario, a third-party email account owner will be first submitting an email to some third-party MTA. I have no control over this initial portion of the delivery chain, nor do I have control over the relaying that comes next. My MTA will merely accept a relayed email coming \"out of the blue\". My MTA will thus have to support two kinds of Submission: Outward Submission (self-owned email is submitted directly to the MTA, then is relayed \"outside\") Inward Submission (third-party email has been submitted & relayed, then is accepted \"inside\" by the MTA) \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me ---------------> \u2524 \u251c -----------------> \u250a \u250a \u2502 My MTA \u2502 \u250a Third-party MTA \u250a \u2502 \u251c <----------------- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b","title":"Two kinds of Submission"},{"location":"introduction/#outward-submission","text":"The best practice as of 2020 when it comes to securing Outward Submission is to use Implicit TLS connection via ESMTP on port 465 (see RFC 8314 ). Let's break it down. Implicit TLS means the server enforces the client into using an encrypted TCP connection, using TLS . With this kind of connection, the MUA has to establish a TLS-encrypted connection from the get go (TLS is implied, hence the name \"Implicit\"). Any client attempting to either submit email in cleartext (unencrypted, not secure), or requesting a cleartext connection to be upgraded to a TLS-encrypted one using STARTTLS , is to be denied. Implicit TLS is sometimes called Enforced TLS for that reason. ESMTP is SMTP + extensions. It's the version of the SMTP protocol that most mail servers speak nowadays. For the purpose of this documentation, ESMTP and SMTP are synonymous. Port 465 is the reserved TCP port for Implicit TLS Submission (since 2018). There is actually a boisterous history to that ports usage, but let's keep it simple. Warning This Submission setup is sometimes refered to as SMTPS . Long story short: this is incorrect and should be avoided. Although a very satisfactory setup, Implicit TLS on port 465 is somewhat \"cutting edge\". There exists another well established mail Submission setup that must be supported as well, SMTP+STARTTLS on port 587. It uses Explicit TLS: the client starts with a cleartext connection, then the server informs a TLS-encrypted \"upgraded\" connection may be established, and the client may eventually decide to establish it prior to the Submission. Basically it's an opportunistic, opt-in TLS upgrade of the connection between the client and the server, at the client's discretion, using a mechanism known as STARTTLS that both ends need to implement. In many implementations, the mail server doesn't enforce TLS encryption, for backwards compatibility. Clients are thus free to deny the TLS-upgrade proposal (or misled by a hacker about STARTTLS not being available), and the server accepts unencrypted (cleartext) mail exchange, which poses a confidentiality threat and, to some extent, spam issues. RFC 8314 (section 3.3) recommends for mail servers to support both Implicit and Explicit TLS for Submission, and to enforce TLS-encryption on ports 587 (Explicit TLS) and 465 (Implicit TLS). That's exactly docker-mailserver 's default configuration: abiding by RFC 8314, it enforces a strict ( encrypt ) STARTTLS policy , where a denied TLS upgrade terminates the connection thus (hopefully but at the client's discretion) preventing unencrypted (cleartext) Submission. docker-mailserver 's default configuration enables and requires Explicit TLS (STARTTLS) on port 587 for Outward Submission. It does not enable Implicit TLS Outward Submission on port 465 by default. One may enable it through simple custom configuration, either as a replacement or (better!) supplementary mean of secure Submission. It does not support old MUAs (clients) not supporting TLS encryption on ports 587/465 (those should perform Submission on port 25, more details below). One may relax that constraint through advanced custom configuration, for backwards compatibility. A final Outward Submission setup exists and is akin SMTP+STARTTLS on port 587, but on port 25. That port has historically been reserved specifically for unencrypted (cleartext) mail exchange though, making STARTTLS a bit wrong to use. As is expected by RFC 5321 , docker-mailserver uses port 25 for unencrypted Submission in order to support older clients, but most importantly for unencrypted Transfer/Relay between MTAs. docker-mailserver 's default configuration also enables unencrypted (cleartext) on port 25 for Outward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Outward Submission. One may also secure Outward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS.","title":"Outward Submission"},{"location":"introduction/#inward-submission","text":"Granted it's still very difficult enforcing encryption between MTAs (Transfer/Relay) without risking dropping emails (when relayed by MTAs not supporting TLS-encryption), Inward Submission is to be handled in cleartext on port 25 by default. docker-mailserver 's default configuration enables unencrypted (cleartext) on port 25 for Inward Submission. It does not enable Explicit TLS (STARTTLS) on port 25 by default. One may enable it through advanced custom configuration, either as a replacement (bad!) or as a supplementary mean of secure Inward Submission. One may also secure Inward Submission using advanced encryption scheme, such as DANE/DNSSEC and/or MTA-STS. Overall, docker-mailserver 's default configuration for SMTP looks like this: \u250f\u2501\u2501\u2501\u2501 Outward Submission \u2501\u2501\u2501\u2501\u2513 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2510 Me -- cleartext --> \u2524(25) (25)\u251c --- cleartext ---> \u250a \u250a Me -- STARTTLS ---> \u2524(587) My MTA \u2502 \u250a Third-party MTA \u250a \u2502 (25)\u251c <---cleartext ---- \u250a \u250a \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2504\u2518 \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 Inward Submission \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251b","title":"Inward Submission"},{"location":"introduction/#retrieval-imap","text":"A MUA willing to fetch an email from a mail server will most likely communicate with its IMAP server. As with SMTP described earlier, communication will take place in the form of data packets exchanged over a network that both the client and the server are connected to. The IMAP protocol makes the server capable of handling Retrieval . In the case of docker-mailserver , the IMAP server is Dovecot. The MUA (client) may vary, yet its Retrieval request is performed as TCP packets sent over the public internet. This exchange of information may be secured in order to counter eavesdropping. Again, as with SMTP described earlier, the IMAP protocol may be secured with either Implicit TLS (aka. IMAPS / IMAP4S) or Explicit TLS (using STARTTLS). The best practice as of 2020 is to enforce IMAPS on port 993, rather than IMAP+STARTTLS on port 143 (see RFC 8314 ); yet the latter is usually provided for backwards compatibility. docker-mailserver 's default configuration enables both Implicit and Explicit TLS for Retrievial, on ports 993 and 143 respectively.","title":"Retrieval - IMAP"},{"location":"introduction/#retrieval-pop3","text":"Similarly to IMAP, the older POP3 protocol may be secured with either Implicit or Explicit TLS. The best practice as of 2020 would be POP3S on port 995, rather than POP3 +STARTTLS on port 110 (see RFC 8314 ). docker-mailserver 's default configuration disables POP3 altogether. One should expect MUAs to use TLS-encrypted IMAP for Retrieval.","title":"Retrieval - POP3"},{"location":"introduction/#how-does-docker-mailserver-help-with-setting-everything-up","text":"As a batteries included Docker image, docker-mailserver provides you with all the required components and a default configuration, to run a decent and secure mail server. One may then customize all aspects of its internal components. Simple customization is supported through docker-compose configuration and the env-mailserver configuration file. Advanced customization is supported through providing \"monkey-patching\" configuration files and/or deriving your own image from docker-mailserver 's upstream, for a complete control over how things run. On the subject of security, one might consider docker-mailserver 's default configuration to not be 100% secure: it enables unencrypted traffic on port 25 it enables Explicit TLS (STARTTLS) on port 587, instead of Implicit TLS on port 465 We believe docker-mailserver 's default configuration to be a good middle ground: it goes slightly beyond \"old\" (1999) RFC 2487 ; and with developer friendly configuration settings, it makes it pretty easy to abide by the \"newest\" (2018) RFC 8314 . Eventually, it is up to you deciding exactly what kind of transportation/encryption to use and/or enforce, and to customize your instance accordingly (with looser or stricter security). Be also aware that protocols and ports on your server can only go so far with security; third-party MTAs might relay your emails on insecure connections, man-in-the-middle attacks might still prove effective, etc. Advanced counter-measure such as DANE, MTA-STS and/or full body encryption (eg. PGP) should be considered as well for increased confidentiality, but ideally without compromising backwards compatibility so as to not block emails. The README is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.","title":"How does docker-mailserver help with setting everything up?"},{"location":"config/pop3/","text":"Warning We do not recommend using POP3. Use IMAP instead. If you really want to have POP3 running add the ports 110 and 995 and the environment variable ENABLE_POP3 to your docker-compose.yml : mail : ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" - \"110:110\" - \"995:995\" environment : - ENABLE_POP3=1","title":"Mail Delivery with POP3"},{"location":"config/setup.sh/","text":"setup.sh is an administration script that helps with the most common tasks, including initial configuration. It is intented to be used from the host machine, not from within your running container. The latest version of the script is included in the docker-mailserver repository. You may retrieve it at any time by running this command in your console: wget https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Info Make sure to get the setup.sh that comes with the release you're using. Look up the release and the git commit on which this release is based upon by selecting the appropriate tag on GitHub. This can done with the \"Switch branches/tags\" button on GitHub, choosing the right tag. This is done in order to rule out possible inconsistencies between versions. Usage Run ./setup.sh help and you'll get some usage information: setup.sh Bootstrapping Script Usage: ./setup.sh [ -i IMAGE_NAME ] [ -c CONTAINER_NAME ] <subcommand> <subcommand> [ args ] OPTIONS: -i IMAGE_NAME The name of the docker-mailserver image The default value is 'docker.io/mailserver/docker-mailserver:latest' -c CONTAINER_NAME The name of the running container. -p PATH Config folder path ( default: /home/georg/github/docker-mailserver/config ) -h Show this help dialogue -z Allow container access to the bind mount content that is shared among multiple containers on a SELinux-enabled host. -Z Allow container access to the bind mount content that is private and unshared with other containers on a SELinux-enabled host. SUBCOMMANDS: email: ./setup.sh email add <email> [ <password> ] ./setup.sh email update <email> [ <password> ] ./setup.sh email del <email> ./setup.sh email restrict <add | del | list> <send | receive> [ <email> ] ./setup.sh email list alias: ./setup.sh alias add <email> <recipient> ./setup.sh alias del <email> <recipient> ./setup.sh alias list quota: ./setup.sh quota set <email> [ <quota> ] ./setup.sh quota del <email> config: ./setup.sh config dkim <keysize> ( default: 4096 ) <domain.tld> ( optional - for LDAP setups ) ./setup.sh config ssl <fqdn> relay: ./setup.sh relay add-domain <domain> <host> [ <port> ] ./setup.sh relay add-auth <domain> <username> [ <password> ] ./setup.sh relay exclude-domain <domain> debug: ./setup.sh debug fetchmail ./setup.sh debug fail2ban [ <unban> <ip-address> ] ./setup.sh debug show-mail-logs ./setup.sh debug inspect ./setup.sh debug login <commands> help: Show this help dialogue","title":"Your Best Friend setup.sh"},{"location":"config/setup.sh/#usage","text":"Run ./setup.sh help and you'll get some usage information: setup.sh Bootstrapping Script Usage: ./setup.sh [ -i IMAGE_NAME ] [ -c CONTAINER_NAME ] <subcommand> <subcommand> [ args ] OPTIONS: -i IMAGE_NAME The name of the docker-mailserver image The default value is 'docker.io/mailserver/docker-mailserver:latest' -c CONTAINER_NAME The name of the running container. -p PATH Config folder path ( default: /home/georg/github/docker-mailserver/config ) -h Show this help dialogue -z Allow container access to the bind mount content that is shared among multiple containers on a SELinux-enabled host. -Z Allow container access to the bind mount content that is private and unshared with other containers on a SELinux-enabled host. SUBCOMMANDS: email: ./setup.sh email add <email> [ <password> ] ./setup.sh email update <email> [ <password> ] ./setup.sh email del <email> ./setup.sh email restrict <add | del | list> <send | receive> [ <email> ] ./setup.sh email list alias: ./setup.sh alias add <email> <recipient> ./setup.sh alias del <email> <recipient> ./setup.sh alias list quota: ./setup.sh quota set <email> [ <quota> ] ./setup.sh quota del <email> config: ./setup.sh config dkim <keysize> ( default: 4096 ) <domain.tld> ( optional - for LDAP setups ) ./setup.sh config ssl <fqdn> relay: ./setup.sh relay add-domain <domain> <host> [ <port> ] ./setup.sh relay add-auth <domain> <username> [ <password> ] ./setup.sh relay exclude-domain <domain> debug: ./setup.sh debug fetchmail ./setup.sh debug fail2ban [ <unban> <ip-address> ] ./setup.sh debug show-mail-logs ./setup.sh debug inspect ./setup.sh debug login <commands> help: Show this help dialogue","title":"Usage"},{"location":"config/advanced/auth-ldap/","text":"Introduction Getting started with ldap and this mailserver we need to take 3 parts in account: postfix dovecot saslauthd (this can also be handled by dovecot) Variables to Control Provisioning by the Container Have a look at the ENVIRONMENT.md for information on the default values. postfix LDAP_QUERY_FILTER_USER LDAP_QUERY_FILTER_GROUP LDAP_QUERY_FILTER_ALIAS LDAP_QUERY_FILTER_DOMAIN saslauthd SASLAUTHD_LDAP_FILTER dovecot DOVECOT_USER_FILTER DOVECOT_PASS_FILTER LDAP Setup - Kopano / Zarafa Example Code --- version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : domain.com container_name : mail ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ environment : # We are not using dovecot here - SMTP_ONLY=1 - ENABLE_SPAMASSASSIN=1 - ENABLE_CLAMAV=1 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=1 - SASLAUTHD_PASSWD= # >>> SASL Authentication - ENABLE_SASLAUTHD=1 - SASLAUTHD_LDAP_SERVER=<yourLdapContainer/yourLdapServer> - SASLAUTHD_LDAP_PROTO= - SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - SASLAUTHD_LDAP_PASSWORD=mypassword - SASLAUTHD_LDAP_SEARCH_BASE=dc=mydomain,dc=loc - SASLAUTHD_LDAP_FILTER=(&(sAMAccountName=%U)(objectClass=person)) - SASLAUTHD_MECHANISMS=ldap # <<< SASL Authentication # >>> Postfix Ldap Integration - ENABLE_LDAP=1 - LDAP_SERVER_HOST=<yourLdapContainer/yourLdapServer> - LDAP_SEARCH_BASE=dc=mydomain,dc=loc - LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - LDAP_BIND_PW=mypassword - LDAP_QUERY_FILTER_USER=(&(objectClass=user)(mail=%s)) - LDAP_QUERY_FILTER_GROUP=(&(objectclass=group)(mail=%s)) - LDAP_QUERY_FILTER_ALIAS=(&(objectClass=user)(otherMailbox=%s)) - LDAP_QUERY_FILTER_DOMAIN=(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE)) # <<< Postfix Ldap Integration # >>> Kopano Integration - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 - POSTFIX_DAGENT=lmtp:kopano:2003 # <<< Kopano Integration - ONE_DIR=1 - DMS_DEBUG=0 - SSL_TYPE=letsencrypt - PERMIT_DOCKER=host cap_add : - NET_ADMIN volumes : maildata : driver : local mailstate : driver : local If your directory has not the postfix-book schema installed, then you must change the internal attribute handling for dovecot. For this you have to change the pass_attr and the user_attr mapping, as shown in the example below: - DOVECOT_PASS_ATTR=<YOUR_USER_IDENTIFYER_ATTRIBUTE>=user,<YOUR_USER_PASSWORD_ATTRIBUTE>=password - DOVECOT_USER_ATTR=<YOUR_USER_HOME_DIRECTORY_ATTRIBUTE>=home,<YOUR_USER_MAILSTORE_ATTRIBUTE>=mail,<YOUR_USER_MAIL_UID_ATTRIBUTE>=uid, <YOUR_USER_MAIL_GID_ATTRIBUTE>=gid The following example illustrates this for a directory that has the qmail-schema installed and that uses uid : - DOVECOT_PASS_ATTRS=uid=user,userPassword=password - DOVECOT_USER_ATTRS=homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail - DOVECOT_PASS_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active)) - DOVECOT_USER_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))","title":"LDAP Authentication"},{"location":"config/advanced/auth-ldap/#introduction","text":"Getting started with ldap and this mailserver we need to take 3 parts in account: postfix dovecot saslauthd (this can also be handled by dovecot)","title":"Introduction"},{"location":"config/advanced/auth-ldap/#variables-to-control-provisioning-by-the-container","text":"Have a look at the ENVIRONMENT.md for information on the default values. postfix LDAP_QUERY_FILTER_USER LDAP_QUERY_FILTER_GROUP LDAP_QUERY_FILTER_ALIAS LDAP_QUERY_FILTER_DOMAIN saslauthd SASLAUTHD_LDAP_FILTER dovecot DOVECOT_USER_FILTER DOVECOT_PASS_FILTER","title":"Variables to Control Provisioning by the Container"},{"location":"config/advanced/auth-ldap/#ldap-setup-kopano-zarafa","text":"Example Code --- version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : domain.com container_name : mail ports : - \"25:25\" - \"143:143\" - \"587:587\" - \"993:993\" volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ environment : # We are not using dovecot here - SMTP_ONLY=1 - ENABLE_SPAMASSASSIN=1 - ENABLE_CLAMAV=1 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=1 - SASLAUTHD_PASSWD= # >>> SASL Authentication - ENABLE_SASLAUTHD=1 - SASLAUTHD_LDAP_SERVER=<yourLdapContainer/yourLdapServer> - SASLAUTHD_LDAP_PROTO= - SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - SASLAUTHD_LDAP_PASSWORD=mypassword - SASLAUTHD_LDAP_SEARCH_BASE=dc=mydomain,dc=loc - SASLAUTHD_LDAP_FILTER=(&(sAMAccountName=%U)(objectClass=person)) - SASLAUTHD_MECHANISMS=ldap # <<< SASL Authentication # >>> Postfix Ldap Integration - ENABLE_LDAP=1 - LDAP_SERVER_HOST=<yourLdapContainer/yourLdapServer> - LDAP_SEARCH_BASE=dc=mydomain,dc=loc - LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc - LDAP_BIND_PW=mypassword - LDAP_QUERY_FILTER_USER=(&(objectClass=user)(mail=%s)) - LDAP_QUERY_FILTER_GROUP=(&(objectclass=group)(mail=%s)) - LDAP_QUERY_FILTER_ALIAS=(&(objectClass=user)(otherMailbox=%s)) - LDAP_QUERY_FILTER_DOMAIN=(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE)) # <<< Postfix Ldap Integration # >>> Kopano Integration - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 - POSTFIX_DAGENT=lmtp:kopano:2003 # <<< Kopano Integration - ONE_DIR=1 - DMS_DEBUG=0 - SSL_TYPE=letsencrypt - PERMIT_DOCKER=host cap_add : - NET_ADMIN volumes : maildata : driver : local mailstate : driver : local If your directory has not the postfix-book schema installed, then you must change the internal attribute handling for dovecot. For this you have to change the pass_attr and the user_attr mapping, as shown in the example below: - DOVECOT_PASS_ATTR=<YOUR_USER_IDENTIFYER_ATTRIBUTE>=user,<YOUR_USER_PASSWORD_ATTRIBUTE>=password - DOVECOT_USER_ATTR=<YOUR_USER_HOME_DIRECTORY_ATTRIBUTE>=home,<YOUR_USER_MAILSTORE_ATTRIBUTE>=mail,<YOUR_USER_MAIL_UID_ATTRIBUTE>=uid, <YOUR_USER_MAIL_GID_ATTRIBUTE>=gid The following example illustrates this for a directory that has the qmail-schema installed and that uses uid : - DOVECOT_PASS_ATTRS=uid=user,userPassword=password - DOVECOT_USER_ATTRS=homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail - DOVECOT_PASS_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active)) - DOVECOT_USER_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))","title":"LDAP Setup - Kopano / Zarafa"},{"location":"config/advanced/full-text-search/","text":"Overview Full-text search allows all messages to be indexed, so that mail clients can quickly and efficiently search messages by their full text content. The dovecot-solr Plugin is used in conjunction with Apache Solr running in a separate container. This is quite straightforward to setup using the following instructions. Setup Steps docker-compose.yml : solr : image : lmmdock/dovecot-solr:latest volumes : - solr-dovecot:/opt/solr/server/solr/dovecot restart : always mailserver : image : mailserver/docker-mailserver:latest ... volumes : ... - ./etc/dovecot/conf.d/10-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro ... volumes : solr-dovecot : driver : local etc/dovecot/conf.d/10-plugin.conf : mail_plugins = $mail_plugins fts fts_solr plugin { fts = solr fts_autoindex = yes fts_solr = url=http://solr:8983/solr/dovecot/ } Start the solr container: docker-compose up -d --remove-orphans solr Restart the mailserver container: docker-compose restart mailserver Flag all user mailbox FTS indexes as invalid, so they are rescanned on demand when they are next searched: docker-compose exec mailserver doveadm fts rescan -A Further Discussion See #905","title":"Full-Text Search"},{"location":"config/advanced/full-text-search/#overview","text":"Full-text search allows all messages to be indexed, so that mail clients can quickly and efficiently search messages by their full text content. The dovecot-solr Plugin is used in conjunction with Apache Solr running in a separate container. This is quite straightforward to setup using the following instructions.","title":"Overview"},{"location":"config/advanced/full-text-search/#setup-steps","text":"docker-compose.yml : solr : image : lmmdock/dovecot-solr:latest volumes : - solr-dovecot:/opt/solr/server/solr/dovecot restart : always mailserver : image : mailserver/docker-mailserver:latest ... volumes : ... - ./etc/dovecot/conf.d/10-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro ... volumes : solr-dovecot : driver : local etc/dovecot/conf.d/10-plugin.conf : mail_plugins = $mail_plugins fts fts_solr plugin { fts = solr fts_autoindex = yes fts_solr = url=http://solr:8983/solr/dovecot/ } Start the solr container: docker-compose up -d --remove-orphans solr Restart the mailserver container: docker-compose restart mailserver Flag all user mailbox FTS indexes as invalid, so they are rescanned on demand when they are next searched: docker-compose exec mailserver doveadm fts rescan -A","title":"Setup Steps"},{"location":"config/advanced/full-text-search/#further-discussion","text":"See #905","title":"Further Discussion"},{"location":"config/advanced/ipv6/","text":"Background If your container host supports IPv6, then docker-mailserver will automatically accept IPv6 connections by way of the docker host's IPv6. However, incoming mail will fail SPF checks because they will appear to come from the IPv4 gateway that docker is using to proxy the IPv6 connection ( 172.20.0.1 is the gateway). This can be solved by supporting IPv6 connections all the way to the docker-mailserver container. Setup steps +++ b/serv/docker-compose.yml @@ -1,4 +1,4 @@ -version: '2' +version: '2.1' @@ -32,6 +32,16 @@ services: + ipv6nat: + image: robbertkl/ipv6nat + restart: always + network_mode: \"host\" + cap_add: + - NET_ADMIN + - SYS_MODULE + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - /lib/modules:/lib/modules:ro @@ -306,4 +316,13 @@ networks: + default: + driver: bridge + enable_ipv6: true + ipam: + driver: default + config: + - subnet: fd00:0123:4567::/48 + gateway: fd00:0123:4567::1 Further Discussion See #1438","title":"IPv6"},{"location":"config/advanced/ipv6/#background","text":"If your container host supports IPv6, then docker-mailserver will automatically accept IPv6 connections by way of the docker host's IPv6. However, incoming mail will fail SPF checks because they will appear to come from the IPv4 gateway that docker is using to proxy the IPv6 connection ( 172.20.0.1 is the gateway). This can be solved by supporting IPv6 connections all the way to the docker-mailserver container.","title":"Background"},{"location":"config/advanced/ipv6/#setup-steps","text":"+++ b/serv/docker-compose.yml @@ -1,4 +1,4 @@ -version: '2' +version: '2.1' @@ -32,6 +32,16 @@ services: + ipv6nat: + image: robbertkl/ipv6nat + restart: always + network_mode: \"host\" + cap_add: + - NET_ADMIN + - SYS_MODULE + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - /lib/modules:/lib/modules:ro @@ -306,4 +316,13 @@ networks: + default: + driver: bridge + enable_ipv6: true + ipam: + driver: default + config: + - subnet: fd00:0123:4567::/48 + gateway: fd00:0123:4567::1","title":"Setup steps"},{"location":"config/advanced/ipv6/#further-discussion","text":"See #1438","title":"Further Discussion"},{"location":"config/advanced/kubernetes/","text":"Deployment Example There is nothing much in deploying mailserver to Kubernetes itself. The things are pretty same as in docker-compose.yml , but with Kubernetes syntax. ConfigMap apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.env.config namespace : mailserver labels : app : mailserver data : OVERRIDE_HOSTNAME : example.com ENABLE_FETCHMAIL : \"0\" FETCHMAIL_POLL : \"120\" ENABLE_SPAMASSASSIN : \"0\" ENABLE_CLAMAV : \"0\" ENABLE_FAIL2BAN : \"0\" ENABLE_POSTGREY : \"0\" ONE_DIR : \"1\" DMS_DEBUG : \"0\" --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config namespace : mailserver labels : app : mailserver data : postfix-accounts.cf : | user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 postfix-virtual.cf : | alias1@example.com user1@dexample.com #dovecot.cf: | # service stats { # unix_listener stats-reader { # group = docker # mode = 0666 # } # unix_listener stats-writer { # group = docker # mode = 0666 # } # } SigningTable : | *@example.com mail._domainkey.example.com KeyTable : | mail._domainkey.example.com example.com:mail:/etc/opendkim/keys/example.com-mail.key TrustedHosts : | 127.0.0.1 localhost #user-patches.sh: | # #!/bin/bash #fetchmail.cf: | Secret apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Secret apiVersion : v1 metadata : name : mailserver.opendkim.keys namespace : mailserver labels : app : mailserver type : Opaque data : example.com-mail.key : 'base64-encoded-DKIM-key' Service apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Service apiVersion : v1 metadata : name : mailserver namespace : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp - name : smtp-secure port : 465 targetPort : smtp-secure - name : smtp-auth port : 587 targetPort : smtp-auth - name : imap port : 143 targetPort : imap - name : imap-secure port : 993 targetPort : imap-secure Deployment apiVersion : v1 kind : Namespace metadata : name : mailserver --- apiVersion : apps/v1 kind : Deployment metadata : name : mailserver namespace : mailserver spec : replicas : 1 selector : matchLabels : app : mailserver template : metadata : labels : app : mailserver role : mail tier : backend spec : #nodeSelector: # kubernetes.io/hostname: local.k8s #initContainers: #- name: init-myservice # image: busybox # command: [\"/bin/sh\", \"-c\", \"cp /tmp/user-patches.sh /tmp/files\"] # volumeMounts: # - name: config # subPath: user-patches.sh # mountPath: /tmp/user-patches.sh # readOnly: true # - name: tmp-files # mountPath: /tmp/files containers : - name : docker-mailserver image : mailserver/docker-mailserver:latest imagePullPolicy : Always volumeMounts : - name : config subPath : postfix-accounts.cf mountPath : /tmp/docker-mailserver/postfix-accounts.cf readOnly : true #- name: config # subPath: postfix-main.cf # mountPath: /tmp/docker-mailserver/postfix-main.cf # readOnly: true - name : config subPath : postfix-virtual.cf mountPath : /tmp/docker-mailserver/postfix-virtual.cf readOnly : true - name : config subPath : fetchmail.cf mountPath : /tmp/docker-mailserver/fetchmail.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true #- name: config # subPath: user1.example.com.dovecot.sieve # mountPath: /tmp/docker-mailserver/user1@example.com.dovecot.sieve # readOnly: true #- name: tmp-files # subPath: user-patches.sh # mountPath: /tmp/docker-mailserver/user-patches.sh - name : config subPath : SigningTable mountPath : /tmp/docker-mailserver/opendkim/SigningTable readOnly : true - name : config subPath : KeyTable mountPath : /tmp/docker-mailserver/opendkim/KeyTable readOnly : true - name : config subPath : TrustedHosts mountPath : /tmp/docker-mailserver/opendkim/TrustedHosts readOnly : true - name : opendkim-keys mountPath : /tmp/docker-mailserver/opendkim/keys readOnly : true - name : data mountPath : /var/mail subPath : data - name : data mountPath : /var/mail-state subPath : state - name : data mountPath : /var/log/mail subPath : log ports : - name : smtp containerPort : 25 protocol : TCP - name : smtp-secure containerPort : 465 protocol : TCP - name : smtp-auth containerPort : 587 - name : imap containerPort : 143 protocol : TCP - name : imap-secure containerPort : 993 protocol : TCP envFrom : - configMapRef : name : mailserver.env.config volumes : - name : config configMap : name : mailserver.config - name : opendkim-keys secret : secretName : mailserver.opendkim.keys - name : data persistentVolumeClaim : claimName : mail-storage - name : tmp-files emptyDir : {} Warning Any sensitive data (keys, etc) should be deployed via Secrets . Other configuration just fits well into ConfigMaps . Note Make sure that Pod is assigned to specific Node in case you're using volume for data directly with hostPath . Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes. Exposing to the Outside World The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity. The major problem with exposing mailserver to outside world in Kubernetes is to preserve real client IP . Real client IP is required by mailserver for performing IP-based SPF checks and spam checks. Preserving real client IP is relatively non-trivial in Kubernetes and most exposing ways do not provide it. So, it's up to you to decide which exposing way suits better your needs in a price of complexity. If you do not require SPF checks for incoming mails you may disable them in Postfix configuration by dropping following line (which removes check_policy_service unix:private/policyd-spf option): Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true External IPs Service The simplest way is to expose mailserver as a Service with external IPs . Example kind : Service apiVersion : v1 metadata : name : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp # ... externalIPs : - 80.11.12.10 Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Requirement to specify exposed IPs explicitly. Proxy port to Service The Proxy Pod helps to avoid necessity of specifying external IPs explicitly. This comes in price of complexity: you must deploy Proxy Pod on each Node you want to expose mailserver on. Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Bind to concrete Node and use host network The simplest way to preserve real client IP is to use hostPort and hostNetwork: true in the mailserver Pod . This comes in price of availability: you can talk to mailserver from outside world only via IPs of Node where mailserver is deployed. Example kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... spec : hostNetwork : true # ... containers : # ... ports : - name : smtp containerPort : 25 hostPort : 25 - name : smtp-auth containerPort : 587 hostPort : 587 - name : imap-secure containerPort : 993 hostPort : 993 # ... Downsides Not possible to access mailserver via other cluster Nodes, only via the one mailserver deployed at. Every Port within the Container is exposed on the Host side, regardless of what the ports section in the Configuration defines. Proxy Port to Service via PROXY Protocol This way is ideologically the same as using Proxy Pod , but instead of a separate proxy pod, you configure your ingress to proxy TCP traffic to the mailserver pod using the PROXY protocol, which preserves the real client IP. Configure your Ingress With an NGINX ingress controller , set externalTrafficPolicy: Local for its service, and add the following to the TCP services config map (as described here ): 25 : \"mailserver/mailserver:25::PROXY\" 465 : \"mailserver/mailserver:465::PROXY\" 587 : \"mailserver/mailserver:587::PROXY\" 993 : \"mailserver/mailserver:993::PROXY\" With HAProxy , the configuration should look similar to the above. If you know what it actually looks like, add an example here. Configure the Mailserver Then, configure both Postfix and Dovecot to expect the PROXY protocol: Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | postscreen_upstream_proxy_protocol = haproxy postfix-master.cf : | smtp/inet/postscreen_upstream_proxy_protocol=haproxy submission/inet/smtpd_upstream_proxy_protocol=haproxy smtps/inet/smtpd_upstream_proxy_protocol=haproxy dovecot.cf : | # Assuming your ingress controller is bound to 10.0.0.0/8 haproxy_trusted_networks = 10.0.0.0/8, 127.0.0.0/8 service imap-login { inet_listener imap { haproxy = yes } inet_listener imaps { haproxy = yes } } # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver spec : template : spec : containers : - name : docker-mailserver volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true - name : config subPath : postfix-master.cf mountPath : /tmp/docker-mailserver/postfix-master.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true Downsides Not possible to access mailserver via inner cluster Kubernetes DNS, as PROXY protocol is required for incoming connections. Let's Encrypt Certificates Kube-Lego may be used for a role of Let's Encrypt client. It works with Kubernetes Ingress Resources and automatically issues/manages certificates/keys for exposed services via Ingresses. Example kind : Ingress apiVersion : extensions/v1beta1 metadata : name : mailserver labels : app : mailserver annotations : kubernetes.io/tls-acme : 'true' spec : rules : - host : example.com http : paths : - path : / backend : serviceName : default-backend servicePort : 80 tls : - secretName : mailserver.tls hosts : - example.com Now, you can use Let's Encrypt cert and key from mailserver.tls Secret in your Pod spec: Example # ... env : - name : SSL_TYPE value : 'manual' - name : SSL_CERT_PATH value : '/etc/ssl/mailserver/tls.crt' - name : SSL_KEY_PATH value : '/etc/ssl/mailserver/tls.key' # ... volumeMounts : - name : tls mountPath : /etc/ssl/mailserver readOnly : true # ... volumes : - name : tls secret : secretName : mailserver.tls","title":"Kubernetes"},{"location":"config/advanced/kubernetes/#deployment-example","text":"There is nothing much in deploying mailserver to Kubernetes itself. The things are pretty same as in docker-compose.yml , but with Kubernetes syntax. ConfigMap apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.env.config namespace : mailserver labels : app : mailserver data : OVERRIDE_HOSTNAME : example.com ENABLE_FETCHMAIL : \"0\" FETCHMAIL_POLL : \"120\" ENABLE_SPAMASSASSIN : \"0\" ENABLE_CLAMAV : \"0\" ENABLE_FAIL2BAN : \"0\" ENABLE_POSTGREY : \"0\" ONE_DIR : \"1\" DMS_DEBUG : \"0\" --- kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config namespace : mailserver labels : app : mailserver data : postfix-accounts.cf : | user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 postfix-virtual.cf : | alias1@example.com user1@dexample.com #dovecot.cf: | # service stats { # unix_listener stats-reader { # group = docker # mode = 0666 # } # unix_listener stats-writer { # group = docker # mode = 0666 # } # } SigningTable : | *@example.com mail._domainkey.example.com KeyTable : | mail._domainkey.example.com example.com:mail:/etc/opendkim/keys/example.com-mail.key TrustedHosts : | 127.0.0.1 localhost #user-patches.sh: | # #!/bin/bash #fetchmail.cf: | Secret apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Secret apiVersion : v1 metadata : name : mailserver.opendkim.keys namespace : mailserver labels : app : mailserver type : Opaque data : example.com-mail.key : 'base64-encoded-DKIM-key' Service apiVersion : v1 kind : Namespace metadata : name : mailserver --- kind : Service apiVersion : v1 metadata : name : mailserver namespace : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp - name : smtp-secure port : 465 targetPort : smtp-secure - name : smtp-auth port : 587 targetPort : smtp-auth - name : imap port : 143 targetPort : imap - name : imap-secure port : 993 targetPort : imap-secure Deployment apiVersion : v1 kind : Namespace metadata : name : mailserver --- apiVersion : apps/v1 kind : Deployment metadata : name : mailserver namespace : mailserver spec : replicas : 1 selector : matchLabels : app : mailserver template : metadata : labels : app : mailserver role : mail tier : backend spec : #nodeSelector: # kubernetes.io/hostname: local.k8s #initContainers: #- name: init-myservice # image: busybox # command: [\"/bin/sh\", \"-c\", \"cp /tmp/user-patches.sh /tmp/files\"] # volumeMounts: # - name: config # subPath: user-patches.sh # mountPath: /tmp/user-patches.sh # readOnly: true # - name: tmp-files # mountPath: /tmp/files containers : - name : docker-mailserver image : mailserver/docker-mailserver:latest imagePullPolicy : Always volumeMounts : - name : config subPath : postfix-accounts.cf mountPath : /tmp/docker-mailserver/postfix-accounts.cf readOnly : true #- name: config # subPath: postfix-main.cf # mountPath: /tmp/docker-mailserver/postfix-main.cf # readOnly: true - name : config subPath : postfix-virtual.cf mountPath : /tmp/docker-mailserver/postfix-virtual.cf readOnly : true - name : config subPath : fetchmail.cf mountPath : /tmp/docker-mailserver/fetchmail.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true #- name: config # subPath: user1.example.com.dovecot.sieve # mountPath: /tmp/docker-mailserver/user1@example.com.dovecot.sieve # readOnly: true #- name: tmp-files # subPath: user-patches.sh # mountPath: /tmp/docker-mailserver/user-patches.sh - name : config subPath : SigningTable mountPath : /tmp/docker-mailserver/opendkim/SigningTable readOnly : true - name : config subPath : KeyTable mountPath : /tmp/docker-mailserver/opendkim/KeyTable readOnly : true - name : config subPath : TrustedHosts mountPath : /tmp/docker-mailserver/opendkim/TrustedHosts readOnly : true - name : opendkim-keys mountPath : /tmp/docker-mailserver/opendkim/keys readOnly : true - name : data mountPath : /var/mail subPath : data - name : data mountPath : /var/mail-state subPath : state - name : data mountPath : /var/log/mail subPath : log ports : - name : smtp containerPort : 25 protocol : TCP - name : smtp-secure containerPort : 465 protocol : TCP - name : smtp-auth containerPort : 587 - name : imap containerPort : 143 protocol : TCP - name : imap-secure containerPort : 993 protocol : TCP envFrom : - configMapRef : name : mailserver.env.config volumes : - name : config configMap : name : mailserver.config - name : opendkim-keys secret : secretName : mailserver.opendkim.keys - name : data persistentVolumeClaim : claimName : mail-storage - name : tmp-files emptyDir : {} Warning Any sensitive data (keys, etc) should be deployed via Secrets . Other configuration just fits well into ConfigMaps . Note Make sure that Pod is assigned to specific Node in case you're using volume for data directly with hostPath . Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes.","title":"Deployment Example"},{"location":"config/advanced/kubernetes/#exposing-to-the-outside-world","text":"The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity. The major problem with exposing mailserver to outside world in Kubernetes is to preserve real client IP . Real client IP is required by mailserver for performing IP-based SPF checks and spam checks. Preserving real client IP is relatively non-trivial in Kubernetes and most exposing ways do not provide it. So, it's up to you to decide which exposing way suits better your needs in a price of complexity. If you do not require SPF checks for incoming mails you may disable them in Postfix configuration by dropping following line (which removes check_policy_service unix:private/policyd-spf option): Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true","title":"Exposing to the Outside World"},{"location":"config/advanced/kubernetes/#external-ips-service","text":"The simplest way is to expose mailserver as a Service with external IPs . Example kind : Service apiVersion : v1 metadata : name : mailserver labels : app : mailserver spec : selector : app : mailserver ports : - name : smtp port : 25 targetPort : smtp # ... externalIPs : - 80.11.12.10 Downsides Real client IP is not preserved , so SPF check of incoming mail will fail. Requirement to specify exposed IPs explicitly.","title":"External IPs Service"},{"location":"config/advanced/kubernetes/#proxy-port-to-service","text":"The Proxy Pod helps to avoid necessity of specifying external IPs explicitly. This comes in price of complexity: you must deploy Proxy Pod on each Node you want to expose mailserver on. Downsides Real client IP is not preserved , so SPF check of incoming mail will fail.","title":"Proxy port to Service"},{"location":"config/advanced/kubernetes/#bind-to-concrete-node-and-use-host-network","text":"The simplest way to preserve real client IP is to use hostPort and hostNetwork: true in the mailserver Pod . This comes in price of availability: you can talk to mailserver from outside world only via IPs of Node where mailserver is deployed. Example kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver # ... spec : hostNetwork : true # ... containers : # ... ports : - name : smtp containerPort : 25 hostPort : 25 - name : smtp-auth containerPort : 587 hostPort : 587 - name : imap-secure containerPort : 993 hostPort : 993 # ... Downsides Not possible to access mailserver via other cluster Nodes, only via the one mailserver deployed at. Every Port within the Container is exposed on the Host side, regardless of what the ports section in the Configuration defines.","title":"Bind to concrete Node and use host network"},{"location":"config/advanced/kubernetes/#proxy-port-to-service-via-proxy-protocol","text":"This way is ideologically the same as using Proxy Pod , but instead of a separate proxy pod, you configure your ingress to proxy TCP traffic to the mailserver pod using the PROXY protocol, which preserves the real client IP.","title":"Proxy Port to Service via PROXY Protocol"},{"location":"config/advanced/kubernetes/#configure-your-ingress","text":"With an NGINX ingress controller , set externalTrafficPolicy: Local for its service, and add the following to the TCP services config map (as described here ): 25 : \"mailserver/mailserver:25::PROXY\" 465 : \"mailserver/mailserver:465::PROXY\" 587 : \"mailserver/mailserver:587::PROXY\" 993 : \"mailserver/mailserver:993::PROXY\" With HAProxy , the configuration should look similar to the above. If you know what it actually looks like, add an example here.","title":"Configure your Ingress"},{"location":"config/advanced/kubernetes/#configure-the-mailserver","text":"Then, configure both Postfix and Dovecot to expect the PROXY protocol: Example kind : ConfigMap apiVersion : v1 metadata : name : mailserver.config labels : app : mailserver data : postfix-main.cf : | postscreen_upstream_proxy_protocol = haproxy postfix-master.cf : | smtp/inet/postscreen_upstream_proxy_protocol=haproxy submission/inet/smtpd_upstream_proxy_protocol=haproxy smtps/inet/smtpd_upstream_proxy_protocol=haproxy dovecot.cf : | # Assuming your ingress controller is bound to 10.0.0.0/8 haproxy_trusted_networks = 10.0.0.0/8, 127.0.0.0/8 service imap-login { inet_listener imap { haproxy = yes } inet_listener imaps { haproxy = yes } } # ... --- kind : Deployment apiVersion : extensions/v1beta1 metadata : name : mailserver spec : template : spec : containers : - name : docker-mailserver volumeMounts : - name : config subPath : postfix-main.cf mountPath : /tmp/docker-mailserver/postfix-main.cf readOnly : true - name : config subPath : postfix-master.cf mountPath : /tmp/docker-mailserver/postfix-master.cf readOnly : true - name : config subPath : dovecot.cf mountPath : /tmp/docker-mailserver/dovecot.cf readOnly : true Downsides Not possible to access mailserver via inner cluster Kubernetes DNS, as PROXY protocol is required for incoming connections.","title":"Configure the Mailserver"},{"location":"config/advanced/kubernetes/#lets-encrypt-certificates","text":"Kube-Lego may be used for a role of Let's Encrypt client. It works with Kubernetes Ingress Resources and automatically issues/manages certificates/keys for exposed services via Ingresses. Example kind : Ingress apiVersion : extensions/v1beta1 metadata : name : mailserver labels : app : mailserver annotations : kubernetes.io/tls-acme : 'true' spec : rules : - host : example.com http : paths : - path : / backend : serviceName : default-backend servicePort : 80 tls : - secretName : mailserver.tls hosts : - example.com Now, you can use Let's Encrypt cert and key from mailserver.tls Secret in your Pod spec: Example # ... env : - name : SSL_TYPE value : 'manual' - name : SSL_CERT_PATH value : '/etc/ssl/mailserver/tls.crt' - name : SSL_KEY_PATH value : '/etc/ssl/mailserver/tls.key' # ... volumeMounts : - name : tls mountPath : /etc/ssl/mailserver readOnly : true # ... volumes : - name : tls secret : secretName : mailserver.tls","title":"Let's Encrypt Certificates"},{"location":"config/advanced/mail-fetchmail/","text":"To enable the fetchmail service to retrieve e-mails set the environment variable ENABLE_FETCHMAIL to 1 . Your docker-compose.yml file should look like following snippet: environment : - ENABLE_FETCHMAIL=1 - FETCHMAIL_POLL=300 Generate a file called fetchmail.cf and place it in the config folder. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 fetchmail.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md Configuration A detailed description of the configuration options can be found in the online version of the manual page . IMAP Configuration Example poll 'imap.example.com' proto imap user 'username' pass 'secret' is 'user1@domain.tld' ssl POP3 Configuration Example poll 'pop3.example.com' proto pop3 user 'username' pass 'secret' is 'user2@domain.tld' ssl Caution Don\u2019t forget the last line: eg: is 'user1@domain.tld' . After is you have to specify one email address from the configuration file config/postfix-accounts.cf . More details how to configure fetchmail can be found in the fetchmail man page in the chapter \u201cThe run control file\u201d . Polling Interval By default the fetchmail service searches every 5 minutes for new mails on your external mail accounts. You can override this default value by changing the ENV variable FETCHMAIL_POLL : environment : - FETCHMAIL_POLL=60 You must specify a numeric argument which is a polling interval in seconds. The example above polls every minute for new mails. Debugging To debug your fetchmail.cf configuration run this command: ./setup.sh debug fetchmail For more informations about the configuration script setup.sh read the corresponding docs . Here a sample output of ./setup.sh debug fetchmail : fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:09 2016: poll started Trying to connect to 132.245.48.18/995...connected. fetchmail: Server certificate: fetchmail: Issuer Organization: Microsoft Corporation fetchmail: Issuer CommonName: Microsoft IT SSL SHA2 fetchmail: Subject CommonName: outlook.com fetchmail: Subject Alternative Name: outlook.com fetchmail: Subject Alternative Name: *.outlook.com fetchmail: Subject Alternative Name: office365.com fetchmail: Subject Alternative Name: *.office365.com fetchmail: Subject Alternative Name: *.live.com fetchmail: Subject Alternative Name: *.internal.outlook.com fetchmail: Subject Alternative Name: *.outlook.office365.com fetchmail: Subject Alternative Name: outlook.office.com fetchmail: Subject Alternative Name: attachment.outlook.office.net fetchmail: Subject Alternative Name: attachment.outlook.officeppe.net fetchmail: Subject Alternative Name: *.office.com fetchmail: outlook.office365.com key fingerprint: 3A:A4:58:42:56:CD:BD:11:19:5B:CF:1E:85:16:8E:4D fetchmail: POP3< +OK The Microsoft Exchange POP3 service is ready. [SABFADEAUABSADAAMQBDAEEAMAAwADAANwAuAGUAdQByAHAAcgBkADAAMQAuAHAAcgBvAGQALgBlAHgAYwBoAGEAbgBnAGUAbABhAGIAcwAuAGMAbwBtAA==] fetchmail: POP3> CAPA fetchmail: POP3< +OK fetchmail: POP3< TOP fetchmail: POP3< UIDL fetchmail: POP3< SASL PLAIN fetchmail: POP3< USER fetchmail: POP3< . fetchmail: POP3> USER user1@outlook.com fetchmail: POP3< +OK fetchmail: POP3> PASS * fetchmail: POP3< +OK User successfully logged on. fetchmail: POP3> STAT fetchmail: POP3< +OK 0 0 fetchmail: No mail for user1@outlook.com at outlook.office365.com fetchmail: POP3> QUIT fetchmail: POP3< +OK Microsoft Exchange Server 2016 POP3 server signing off. fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:11 2016: poll completed fetchmail: normal termination, status 1","title":"Email Gathering with Fetchmail"},{"location":"config/advanced/mail-fetchmail/#configuration","text":"A detailed description of the configuration options can be found in the online version of the manual page .","title":"Configuration"},{"location":"config/advanced/mail-fetchmail/#imap-configuration","text":"Example poll 'imap.example.com' proto imap user 'username' pass 'secret' is 'user1@domain.tld' ssl","title":"IMAP Configuration"},{"location":"config/advanced/mail-fetchmail/#pop3-configuration","text":"Example poll 'pop3.example.com' proto pop3 user 'username' pass 'secret' is 'user2@domain.tld' ssl Caution Don\u2019t forget the last line: eg: is 'user1@domain.tld' . After is you have to specify one email address from the configuration file config/postfix-accounts.cf . More details how to configure fetchmail can be found in the fetchmail man page in the chapter \u201cThe run control file\u201d .","title":"POP3 Configuration"},{"location":"config/advanced/mail-fetchmail/#polling-interval","text":"By default the fetchmail service searches every 5 minutes for new mails on your external mail accounts. You can override this default value by changing the ENV variable FETCHMAIL_POLL : environment : - FETCHMAIL_POLL=60 You must specify a numeric argument which is a polling interval in seconds. The example above polls every minute for new mails.","title":"Polling Interval"},{"location":"config/advanced/mail-fetchmail/#debugging","text":"To debug your fetchmail.cf configuration run this command: ./setup.sh debug fetchmail For more informations about the configuration script setup.sh read the corresponding docs . Here a sample output of ./setup.sh debug fetchmail : fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:09 2016: poll started Trying to connect to 132.245.48.18/995...connected. fetchmail: Server certificate: fetchmail: Issuer Organization: Microsoft Corporation fetchmail: Issuer CommonName: Microsoft IT SSL SHA2 fetchmail: Subject CommonName: outlook.com fetchmail: Subject Alternative Name: outlook.com fetchmail: Subject Alternative Name: *.outlook.com fetchmail: Subject Alternative Name: office365.com fetchmail: Subject Alternative Name: *.office365.com fetchmail: Subject Alternative Name: *.live.com fetchmail: Subject Alternative Name: *.internal.outlook.com fetchmail: Subject Alternative Name: *.outlook.office365.com fetchmail: Subject Alternative Name: outlook.office.com fetchmail: Subject Alternative Name: attachment.outlook.office.net fetchmail: Subject Alternative Name: attachment.outlook.officeppe.net fetchmail: Subject Alternative Name: *.office.com fetchmail: outlook.office365.com key fingerprint: 3A:A4:58:42:56:CD:BD:11:19:5B:CF:1E:85:16:8E:4D fetchmail: POP3< +OK The Microsoft Exchange POP3 service is ready. [SABFADEAUABSADAAMQBDAEEAMAAwADAANwAuAGUAdQByAHAAcgBkADAAMQAuAHAAcgBvAGQALgBlAHgAYwBoAGEAbgBnAGUAbABhAGIAcwAuAGMAbwBtAA==] fetchmail: POP3> CAPA fetchmail: POP3< +OK fetchmail: POP3< TOP fetchmail: POP3< UIDL fetchmail: POP3< SASL PLAIN fetchmail: POP3< USER fetchmail: POP3< . fetchmail: POP3> USER user1@outlook.com fetchmail: POP3< +OK fetchmail: POP3> PASS * fetchmail: POP3< +OK User successfully logged on. fetchmail: POP3> STAT fetchmail: POP3< +OK 0 0 fetchmail: No mail for user1@outlook.com at outlook.office365.com fetchmail: POP3> QUIT fetchmail: POP3< +OK Microsoft Exchange Server 2016 POP3 server signing off. fetchmail: 6.3.26 querying outlook.office365.com (protocol POP3) at Mon Aug 29 22:11:11 2016: poll completed fetchmail: normal termination, status 1","title":"Debugging"},{"location":"config/advanced/mail-sieve/","text":"User-Defined Sieve Filters Sieve allows to specify filtering rules for incoming emails that allow for example sorting mails into different folders depending on the title of an email. There are global and user specific filters which are filtering the incoming emails in the following order: Global-before -> User specific -> Global-after Global filters are applied to EVERY incoming mail for EVERY email address. To specify a global Sieve filter provide a config/before.dovecot.sieve or a config/after.dovecot.sieve file with your filter rules. If any filter in this filtering chain discards an incoming mail, the delivery process will stop as well and the mail will not reach any following filters(e.g. global-before stops an incoming spam mail: The mail will get discarded and a user-specific filter won't get applied.) To specify a user-defined Sieve filter place a .dovecot.sieve file into a virtual user's mail folder e.g. /var/mail/domain.com/user1/.dovecot.sieve . If this file exists dovecot will apply the filtering rules. It's even possible to install a user provided Sieve filter at startup during users setup: simply include a Sieve file in the config path for each user login that need a filter. The file name provided should be in the form <user_login>.dovecot.sieve , so for example for user1@domain.tld you should provide a Sieve file named config/user1@domain.tld.dovecot.sieve . An example of a sieve filter that moves mails to a folder INBOX/spam depending on the sender address: Example require [ \"fileinto\" , \"reject\" ]; if address :contains [ \"From\" ] \"spam@spam.com\" { fileinto \"INBOX.spam\" ; } else { keep ; } Warning That folders have to exist beforehand if sieve should move them. Another example of a sieve filter that forward mails to a different address: Example require [ \"copy\" ]; redirect :copy \"user2@otherdomain.tld\" ; Just forward all incoming emails and do not save them locally: Example redirect \"user2@otherdomain.tld\" ; You can also use external programs to filter or pipe (process) messages by adding executable scripts in config/sieve-pipe or config/sieve-filter . This can be used in lieu of a local alias file, for instance to forward an email to a webservice. These programs can then be referenced by filename, by all users. Note that the process running the scripts run as a privileged user. For further information see Dovecot's wiki . require [ \"vnd.dovecot.pipe\" ]; pipe \"external-program\" ; For more examples or a detailed description of the Sieve language have a look at the official site . Other resources are available on the internet where you can find several examples . Manage Sieve The Manage Sieve extension allows users to modify their Sieve script by themselves. The authentication mechanisms are the same as for the main dovecot service. ManageSieve runs on port 4190 and needs to be enabled using the ENABLE_MANAGESIEVE=1 environment variable. Example # docker-compose.yml ports : - \"4190:4190\" environment : - ENABLE_MANAGESIEVE=1 All user defined sieve scripts that are managed by ManageSieve are stored in the user's home folder in /var/mail/domain.com/user1/sieve . Just one sieve script might be active for a user and is sym-linked to /var/mail/domain.com/user1/.dovecot.sieve automatically. Note ManageSieve makes sure to not overwrite an existing .dovecot.sieve file. If a user activates a new sieve script the old one is backuped and moved to the sieve folder. The extension is known to work with the following ManageSieve clients: Sieve Editor a portable standalone application based on the former Thunderbird plugin ( https://github.com/thsmi/sieve ).","title":"Email Filtering with Sieve"},{"location":"config/advanced/mail-sieve/#user-defined-sieve-filters","text":"Sieve allows to specify filtering rules for incoming emails that allow for example sorting mails into different folders depending on the title of an email. There are global and user specific filters which are filtering the incoming emails in the following order: Global-before -> User specific -> Global-after Global filters are applied to EVERY incoming mail for EVERY email address. To specify a global Sieve filter provide a config/before.dovecot.sieve or a config/after.dovecot.sieve file with your filter rules. If any filter in this filtering chain discards an incoming mail, the delivery process will stop as well and the mail will not reach any following filters(e.g. global-before stops an incoming spam mail: The mail will get discarded and a user-specific filter won't get applied.) To specify a user-defined Sieve filter place a .dovecot.sieve file into a virtual user's mail folder e.g. /var/mail/domain.com/user1/.dovecot.sieve . If this file exists dovecot will apply the filtering rules. It's even possible to install a user provided Sieve filter at startup during users setup: simply include a Sieve file in the config path for each user login that need a filter. The file name provided should be in the form <user_login>.dovecot.sieve , so for example for user1@domain.tld you should provide a Sieve file named config/user1@domain.tld.dovecot.sieve . An example of a sieve filter that moves mails to a folder INBOX/spam depending on the sender address: Example require [ \"fileinto\" , \"reject\" ]; if address :contains [ \"From\" ] \"spam@spam.com\" { fileinto \"INBOX.spam\" ; } else { keep ; } Warning That folders have to exist beforehand if sieve should move them. Another example of a sieve filter that forward mails to a different address: Example require [ \"copy\" ]; redirect :copy \"user2@otherdomain.tld\" ; Just forward all incoming emails and do not save them locally: Example redirect \"user2@otherdomain.tld\" ; You can also use external programs to filter or pipe (process) messages by adding executable scripts in config/sieve-pipe or config/sieve-filter . This can be used in lieu of a local alias file, for instance to forward an email to a webservice. These programs can then be referenced by filename, by all users. Note that the process running the scripts run as a privileged user. For further information see Dovecot's wiki . require [ \"vnd.dovecot.pipe\" ]; pipe \"external-program\" ; For more examples or a detailed description of the Sieve language have a look at the official site . Other resources are available on the internet where you can find several examples .","title":"User-Defined Sieve Filters"},{"location":"config/advanced/mail-sieve/#manage-sieve","text":"The Manage Sieve extension allows users to modify their Sieve script by themselves. The authentication mechanisms are the same as for the main dovecot service. ManageSieve runs on port 4190 and needs to be enabled using the ENABLE_MANAGESIEVE=1 environment variable. Example # docker-compose.yml ports : - \"4190:4190\" environment : - ENABLE_MANAGESIEVE=1 All user defined sieve scripts that are managed by ManageSieve are stored in the user's home folder in /var/mail/domain.com/user1/sieve . Just one sieve script might be active for a user and is sym-linked to /var/mail/domain.com/user1/.dovecot.sieve automatically. Note ManageSieve makes sure to not overwrite an existing .dovecot.sieve file. If a user activates a new sieve script the old one is backuped and moved to the sieve folder. The extension is known to work with the following ManageSieve clients: Sieve Editor a portable standalone application based on the former Thunderbird plugin ( https://github.com/thsmi/sieve ).","title":"Manage Sieve"},{"location":"config/advanced/optional-config/","text":"This is a list of all configuration files and directories which are optional or automatically generated in your config directory. Directories sieve-filter: directory for sieve filter scripts. (Docs: Sieve ) sieve-pipe: directory for sieve pipe scripts. (Docs: Sieve ) opendkim: DKIM directory. Auto-configurable via setup.sh config dkim . (Docs: DKIM ) ssl: SSL Certificate directory. Auto-configurable via setup.sh config ssl . (Docs: SSL ) Files {user_email_address}.dovecot.sieve: User specific Sieve filter file. (Docs: Sieve ) before.dovecot.sieve: Global Sieve filter file, applied prior to the ${login}.dovecot.sieve filter. (Docs: Sieve ) after.dovecot.sieve : Global Sieve filter file, applied after the ${login}.dovecot.sieve filter. (Docs: Sieve ) postfix-main.cf: Every line will be added to the postfix main configuration. (Docs: Override Postfix Defaults ) postfix-master.cf: Every line will be added to the postfix master configuration. (Docs: Override Postfix Defaults ) postfix-accounts.cf: User accounts file. Modify via the setup.sh email script. postfix-send-access.cf: List of users denied sending. Modify via setup.sh email restrict . postfix-receive-access.cf: List of users denied receiving. Modify via setup.sh email restrict . postfix-virtual.cf: Alias configuration file. Modify via setup.sh alias . postfix-sasl-password.cf: listing of relayed domains with their respective <username>:<password> . Modify via setup.sh relay add-auth <domain> <username> [<password>] . (Docs: Relay-Hosts Auth ) postfix-relaymap.cf: domain-specific relays and exclusions. Modify via setup.sh relay add-domain and setup.sh relay exclude-domain . (Docs: Relay-Hosts Senders ) postfix-regexp.cf: Regular expression alias file. (Docs: Aliases ) ldap-users.cf: Configuration for the virtual user mapping virtual_mailbox_maps . See the setup-stack.sh script. ldap-groups.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-aliases.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-domains.cf: Configuration for the virtual domain mapping virtual_mailbox_domains . See the setup-stack.sh script. whitelist_clients.local: Whitelisted domains, not considered by postgrey. Enter one host or domain per line. spamassassin-rules.cf: Antispam rules for Spamassassin. (Docs: FAQ - SpamAssassin Rules ) fail2ban-fail2ban.cf: Additional config options for fail2ban.cf . (Docs: Fail2Ban ) fail2ban-jail.cf: Additional config options for fail2ban's jail behaviour. (Docs: Fail2Ban ) amavis.cf: replaces the /etc/amavis/conf.d/50-user file dovecot.cf: replaces /etc/dovecot/local.conf . (Docs: Override Dovecot Defaults ) dovecot-quotas.cf: list of custom quotas per mailbox. (Docs: Accounts ) user-patches.sh: this file will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. (Docs: FAQ - How to adjust settings with the user-patches.sh script )","title":"Optional Configuration"},{"location":"config/advanced/optional-config/#directories","text":"sieve-filter: directory for sieve filter scripts. (Docs: Sieve ) sieve-pipe: directory for sieve pipe scripts. (Docs: Sieve ) opendkim: DKIM directory. Auto-configurable via setup.sh config dkim . (Docs: DKIM ) ssl: SSL Certificate directory. Auto-configurable via setup.sh config ssl . (Docs: SSL )","title":"Directories"},{"location":"config/advanced/optional-config/#files","text":"{user_email_address}.dovecot.sieve: User specific Sieve filter file. (Docs: Sieve ) before.dovecot.sieve: Global Sieve filter file, applied prior to the ${login}.dovecot.sieve filter. (Docs: Sieve ) after.dovecot.sieve : Global Sieve filter file, applied after the ${login}.dovecot.sieve filter. (Docs: Sieve ) postfix-main.cf: Every line will be added to the postfix main configuration. (Docs: Override Postfix Defaults ) postfix-master.cf: Every line will be added to the postfix master configuration. (Docs: Override Postfix Defaults ) postfix-accounts.cf: User accounts file. Modify via the setup.sh email script. postfix-send-access.cf: List of users denied sending. Modify via setup.sh email restrict . postfix-receive-access.cf: List of users denied receiving. Modify via setup.sh email restrict . postfix-virtual.cf: Alias configuration file. Modify via setup.sh alias . postfix-sasl-password.cf: listing of relayed domains with their respective <username>:<password> . Modify via setup.sh relay add-auth <domain> <username> [<password>] . (Docs: Relay-Hosts Auth ) postfix-relaymap.cf: domain-specific relays and exclusions. Modify via setup.sh relay add-domain and setup.sh relay exclude-domain . (Docs: Relay-Hosts Senders ) postfix-regexp.cf: Regular expression alias file. (Docs: Aliases ) ldap-users.cf: Configuration for the virtual user mapping virtual_mailbox_maps . See the setup-stack.sh script. ldap-groups.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-aliases.cf: Configuration for the virtual alias mapping virtual_alias_maps . See the setup-stack.sh script. ldap-domains.cf: Configuration for the virtual domain mapping virtual_mailbox_domains . See the setup-stack.sh script. whitelist_clients.local: Whitelisted domains, not considered by postgrey. Enter one host or domain per line. spamassassin-rules.cf: Antispam rules for Spamassassin. (Docs: FAQ - SpamAssassin Rules ) fail2ban-fail2ban.cf: Additional config options for fail2ban.cf . (Docs: Fail2Ban ) fail2ban-jail.cf: Additional config options for fail2ban's jail behaviour. (Docs: Fail2Ban ) amavis.cf: replaces the /etc/amavis/conf.d/50-user file dovecot.cf: replaces /etc/dovecot/local.conf . (Docs: Override Dovecot Defaults ) dovecot-quotas.cf: list of custom quotas per mailbox. (Docs: Accounts ) user-patches.sh: this file will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. (Docs: FAQ - How to adjust settings with the user-patches.sh script )","title":"Files"},{"location":"config/advanced/mail-forwarding/aws-ses/","text":"Warning New configuration, see Configure Relay Hosts Instead of letting postfix deliver mail directly it is possible to configure it to deliver outgoing email via Amazon SES (Simple Email Service). (Receiving inbound email via SES is not implemented.) The configuration follows the guidelines provided by AWS in https://docs.aws.amazon.com/ses/latest/DeveloperGuide/postfix.html , specifically, the STARTTLS method. As described in the AWS Developer Guide you will have to generate SMTP credentials and define the following two environment variables in the docker-compose.yml with the appropriate values for your AWS SES subscription (the values for AWS_SES_USERPASS are the \"SMTP username\" and \"SMTP password\" provided when you create SMTP credentials for SES): environment : - AWS_SES_HOST=email-smtp.us-east-1.amazonaws.com - AWS_SES_USERPASS=AKIAXXXXXXXXXXXXXXXX:kqXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX If necessary, you can also provide AWS_SES_PORT . If not provided, it defaults to 25. When you start the container you will see a log line as follows confirming the configuration: Setting up outgoing email via AWS SES host email-smtp.us-east-1.amazonaws.com To verify proper operation, send an email to some external account of yours and inspect the mail headers. You will also see the connection to SES in the mail logs. For example: May 23 07:09:36 mail postfix/smtp[692]: Trusted TLS connection established to email-smtp.us-east-1.amazonaws.com[107.20.142.169]:25: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) May 23 07:09:36 mail postfix/smtp[692]: 8C82A7E7: to=<someone@example.com>, relay=email-smtp.us-east-1.amazonaws.com[107.20.142.169]:25, delay=0.35, delays=0/0.02/0.13/0.2, dsn=2.0.0, status=sent (250 Ok 01000154dc729264-93fdd7ea-f039-43d6-91ed-653e8547867c-000000)","title":"AWS SES"},{"location":"config/advanced/mail-forwarding/relay-hosts/","text":"Introduction Rather than having Postfix deliver mail directly, you can configure Postfix to send mail via another mail relay (smarthost). Examples include Mailgun , Sendgrid and AWS SES . Depending on the domain of the sender, you may want to send via a different relay, or authenticate in a different way. Basic Configuration Basic configuration is done via environment variables: RELAY_HOST : default host to relay mail through, empty will disable this feature RELAY_PORT : port on default relay, defaults to port 25 RELAY_USER : username for the default relay RELAY_PASSWORD : password for the default user Setting these environment variables will cause mail for all sender domains to be routed via the specified host, authenticating with the user/password combination. Warning For users of the previous AWS_SES_* variables: please update your configuration to use these new variables, no other configuration is required. Advanced Configuration Sender-dependent Authentication Sender dependent authentication is done in config/postfix-sasl-password.cf . You can create this file manually, or use: setup.sh relay add-auth <domain> <username> [ <password> ] An example configuration file looks like this: @domain1.com relay_user_1:password_1 @domain2.com relay_user_2:password_2 If there is no other configuration, this will cause Postfix to deliver email throught the relay specified in RELAY_HOST env variable, authenticating as relay_user_1 when sent from domain1.com and authenticating as relay_user_2 when sending from domain2.com. Note To activate the configuration you must either restart the container, or you can also trigger an update by modifying a mail account. Sender-dependent Relay Host Sender dependent relay hosts are configured in config/postfix-relaymap.cf . You can create this file manually, or use: setup.sh relay add-domain <domain> <host> [ <port> ] An example configuration file looks like this: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 Combined with the previous configuration in config/postfix-sasl-password.cf , this will cause Postfix to deliver mail sent from domain1.com via relay1.org:587 , authenticating as relay_user_1 , and mail sent from domain2.com via relay2.org:2525 authenticating as relay_user_2 . Note You still have to define RELAY_HOST to activate the feature Excluding Sender Domains If you want mail sent from some domains to be delivered directly, you can exclude them from being delivered via the default relay by adding them to config/postfix-relaymap.cf with no destination. You can also do this via: setup.sh relay exclude-domain <domain> Extending the configuration file from above: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 @domain3.com This will cause email sent from domain3.com to be delivered directly. References Thanks to the author of this article for the inspiration. This is also worth reading to understand a bit more about how to set up Mailgun to work with this.","title":"Relay Hosts"},{"location":"config/advanced/mail-forwarding/relay-hosts/#introduction","text":"Rather than having Postfix deliver mail directly, you can configure Postfix to send mail via another mail relay (smarthost). Examples include Mailgun , Sendgrid and AWS SES . Depending on the domain of the sender, you may want to send via a different relay, or authenticate in a different way.","title":"Introduction"},{"location":"config/advanced/mail-forwarding/relay-hosts/#basic-configuration","text":"Basic configuration is done via environment variables: RELAY_HOST : default host to relay mail through, empty will disable this feature RELAY_PORT : port on default relay, defaults to port 25 RELAY_USER : username for the default relay RELAY_PASSWORD : password for the default user Setting these environment variables will cause mail for all sender domains to be routed via the specified host, authenticating with the user/password combination. Warning For users of the previous AWS_SES_* variables: please update your configuration to use these new variables, no other configuration is required.","title":"Basic Configuration"},{"location":"config/advanced/mail-forwarding/relay-hosts/#advanced-configuration","text":"","title":"Advanced Configuration"},{"location":"config/advanced/mail-forwarding/relay-hosts/#sender-dependent-authentication","text":"Sender dependent authentication is done in config/postfix-sasl-password.cf . You can create this file manually, or use: setup.sh relay add-auth <domain> <username> [ <password> ] An example configuration file looks like this: @domain1.com relay_user_1:password_1 @domain2.com relay_user_2:password_2 If there is no other configuration, this will cause Postfix to deliver email throught the relay specified in RELAY_HOST env variable, authenticating as relay_user_1 when sent from domain1.com and authenticating as relay_user_2 when sending from domain2.com. Note To activate the configuration you must either restart the container, or you can also trigger an update by modifying a mail account.","title":"Sender-dependent Authentication"},{"location":"config/advanced/mail-forwarding/relay-hosts/#sender-dependent-relay-host","text":"Sender dependent relay hosts are configured in config/postfix-relaymap.cf . You can create this file manually, or use: setup.sh relay add-domain <domain> <host> [ <port> ] An example configuration file looks like this: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 Combined with the previous configuration in config/postfix-sasl-password.cf , this will cause Postfix to deliver mail sent from domain1.com via relay1.org:587 , authenticating as relay_user_1 , and mail sent from domain2.com via relay2.org:2525 authenticating as relay_user_2 . Note You still have to define RELAY_HOST to activate the feature","title":"Sender-dependent Relay Host"},{"location":"config/advanced/mail-forwarding/relay-hosts/#excluding-sender-domains","text":"If you want mail sent from some domains to be delivered directly, you can exclude them from being delivered via the default relay by adding them to config/postfix-relaymap.cf with no destination. You can also do this via: setup.sh relay exclude-domain <domain> Extending the configuration file from above: @domain1.com [relay1.org]:587 @domain2.com [relay2.org]:2525 @domain3.com This will cause email sent from domain3.com to be delivered directly.","title":"Excluding Sender Domains"},{"location":"config/advanced/mail-forwarding/relay-hosts/#references","text":"Thanks to the author of this article for the inspiration. This is also worth reading to understand a bit more about how to set up Mailgun to work with this.","title":"References"},{"location":"config/advanced/maintenance/update-and-cleanup/","text":"Automatic Update Docker images are handy but it can get a a hassle to keep them updated. Also when a repository is automated you want to get these images when they get out. One could setup a complex action/hook-based workflow using probes, but there is a nice, easy to use docker image that solves this issue and could prove useful: watchtower . A docker-compose example: services : watchtower : restart : always image : containrrr/watchtower:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Automatic Cleanup When you are pulling new images in automatically, it would be nice to have them cleaned up as well. There is also a docker image for this: spotify/docker-gc . A docker-compose example: services : docker-gc : restart : always image : spotify/docker-gc:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Or you can just use the --cleanup option provided by containrrr/watchtower .","title":"Update and Cleanup"},{"location":"config/advanced/maintenance/update-and-cleanup/#automatic-update","text":"Docker images are handy but it can get a a hassle to keep them updated. Also when a repository is automated you want to get these images when they get out. One could setup a complex action/hook-based workflow using probes, but there is a nice, easy to use docker image that solves this issue and could prove useful: watchtower . A docker-compose example: services : watchtower : restart : always image : containrrr/watchtower:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual","title":"Automatic Update"},{"location":"config/advanced/maintenance/update-and-cleanup/#automatic-cleanup","text":"When you are pulling new images in automatically, it would be nice to have them cleaned up as well. There is also a docker image for this: spotify/docker-gc . A docker-compose example: services : docker-gc : restart : always image : spotify/docker-gc:latest volumes : - /var/run/docker.sock:/var/run/docker.sock For more details, see the manual Or you can just use the --cleanup option provided by containrrr/watchtower .","title":"Automatic Cleanup"},{"location":"config/advanced/override-defaults/dovecot/","text":"Add Configuration The Dovecot default configuration can easily be extended providing a config/dovecot.cf file. Dovecot documentation remains the best place to find configuration options. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md One common option to change is the maximum number of connections per user: mail_max_userip_connections = 100 Another important option is the default_process_limit (defaults to 100 ). If high-security mode is enabled you'll need to make sure this count is higher than the maximum number of users that can be logged in simultaneously. This limit is quickly reached if users connect to the mail server with multiple end devices. Override Configuration For major configuration changes it\u2019s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the volumes key. services : mail : volumes : - maildata:/var/mail - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf Debugging To debug your dovecot configuration you can use: This command: ./setup.sh debug login doveconf | grep <some-keyword> Or: docker exec -it <your-container-name> doveconf | grep <some-keyword> Note setup.sh is included in the docker-mailserver repository. Make sure to grap the one matching your image version. The config/dovecot.cf is copied internally to /etc/dovecot/local.conf . To check this file run: docker exec -it <your-container-name> cat /etc/dovecot/local.conf","title":"Dovecot"},{"location":"config/advanced/override-defaults/dovecot/#add-configuration","text":"The Dovecot default configuration can easily be extended providing a config/dovecot.cf file. Dovecot documentation remains the best place to find configuration options. Your docker-mailserver folder should look like this example: \u251c\u2500\u2500 config \u2502 \u251c\u2500\u2500 dovecot.cf \u2502 \u251c\u2500\u2500 postfix-accounts.cf \u2502 \u2514\u2500\u2500 postfix-virtual.cf \u251c\u2500\u2500 docker-compose.yml \u2514\u2500\u2500 README.md One common option to change is the maximum number of connections per user: mail_max_userip_connections = 100 Another important option is the default_process_limit (defaults to 100 ). If high-security mode is enabled you'll need to make sure this count is higher than the maximum number of users that can be logged in simultaneously. This limit is quickly reached if users connect to the mail server with multiple end devices.","title":"Add Configuration"},{"location":"config/advanced/override-defaults/dovecot/#override-configuration","text":"For major configuration changes it\u2019s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the volumes key. services : mail : volumes : - maildata:/var/mail - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf","title":"Override Configuration"},{"location":"config/advanced/override-defaults/dovecot/#debugging","text":"To debug your dovecot configuration you can use: This command: ./setup.sh debug login doveconf | grep <some-keyword> Or: docker exec -it <your-container-name> doveconf | grep <some-keyword> Note setup.sh is included in the docker-mailserver repository. Make sure to grap the one matching your image version. The config/dovecot.cf is copied internally to /etc/dovecot/local.conf . To check this file run: docker exec -it <your-container-name> cat /etc/dovecot/local.conf","title":"Debugging"},{"location":"config/advanced/override-defaults/postfix/","text":"The Postfix default configuration can easily be extended by providing a config/postfix-main.cf in postfix format. This can also be used to add configuration that is not in our default configuration. For example, one common use of this file is for increasing the default maximum message size: # increase maximum message size message_size_limit = 52428800 That specific example is now supported and can be handled by setting POSTFIX_MESSAGE_SIZE_LIMIT . Seealso Postfix documentation remains the best place to find configuration options. Each line in the provided file will be loaded into postfix. In the same way it is possible to add a custom config/postfix-master.cf file that will override the standard master.cf . Each line in the file will be passed to postconf -P . The expected format is <service_name>/<type>/<parameter> , for example: submission/inet/smtpd_reject_unlisted_recipient = no Run postconf -P in the container without arguments to see the active master options. Note There should be no space between the parameter and the value. Have a look at the code for more information.","title":"Postfix"},{"location":"config/advanced/override-defaults/user-patches/","text":"If you'd like to change, patch or alter files or behavior of docker-mailserver , you can use a script. In case you cloned this repository, you can copy the file user-patches.sh.dist under config/ with cp config/user-patches.sh.dist config/user-patches.sh in order to create the user-patches.sh script. In case you are managing your directory structure yourself, create a config/ directory and the user-patches.sh file yourself. # 1. Either create the config/ directory yourself # or let docker-mailserver create it on initial # startup ~/somewhere $ mkdir config && cd config # 2. Create the user-patches.sh and edit it ~/somewhere/config $ touch user-patches.sh ~/somewhere/config $ vi user-patches.sh The contents could look like this #! /bin/bash sed -i -E 's|(log_level).*|\\1 = -1;|g' /etc/amavis/conf.d/49-docker-mailserver cat >/etc/amavis/conf.d/50-user << \"END\" use strict ; $undecipherable_subject_tag = undef ; $admin_maps_by_ccat { +CC_UNCHECKED } = undef ; #------------ Do not modify anything below this line ------------- 1 ; # ensure a defined return END ... And you're done. The user patches script runs right before starting daemons. That means, all the other configuration is in place, so the script can make final adjustments. Note Many \"patches\" can already be done with the Docker Compose-/Stack-file. Adding hostnames to /etc/hosts is done with the extra_hosts : section, sysctl commands can be managed with the sysctls : section, etc.","title":"Modifications via Script"},{"location":"config/best-practices/autodiscover/","text":"Email auto-discovery means a client email is able to automagically find out about what ports and security options to use, based on the mail server URL. It can help simplify the tedious / confusing task of adding own's email account for non-tech savvy users. Email clients will search for auto-discoverable settings and prefill almost everything when a user enters its email address There exists autodiscover-email-settings on which provides IMAP/POP/SMTP/LDAP autodiscover capabilities on Microsoft Outlook/Apple Mail, autoconfig capabilities for Thunderbird or kmail and configuration profiles for iOS/Apple Mail.","title":"Auto-discovery"},{"location":"config/best-practices/dkim/","text":"DKIM is a security measure targeting email spoofing. It is greatly recommended one activates it. Seealso See the Wikipedia page for more details on DKIM. Enabling DKIM Signature To enable DKIM signature, you must have created at least one email account . Once its done, just run the following command to generate the signature: ./setup.sh config dkim After generating DKIM keys, you should restart the mail server. DNS edits may take a few minutes to hours to propagate. The script assumes you're being in the directory where the config/ directory is located. The default keysize when generating the signature is 4096 bits for now. If you need to change it (e.g. your DNS provider limits the size), then provide the size as the first parameter of the command: ./setup.sh config dkim keysize <keysize> For LDAP systems that do not have any directly created user account you can run the following command (since 8.0.0 ) to generate the signature by additionally providing the desired domain name (if you have multiple domains use the command multiple times or provide a comma-separated list of domains): ./setup.sh config dkim keysize <key-size> domain <domain.tld> [ ,<domain2.tld> ] Now the keys are generated, you can configure your DNS server with DKIM signature, simply by adding a TXT record. If you have direct access to your DNS zone file, then it's only a matter of pasting the content of config/opendkim/keys/domain.tld/mail.txt in your domain.tld.hosts zone. $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; p=AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN\" Configuration using a Web Interface Generate a new record of the type TXT . Paste mail._domainkey the Name txt field. In the Target or Value field fill in v=DKIM1; k=rsa; p=AZERTYUGHJKLMWX... . In TTL (time to live): Time span in seconds. How long the DNS server should cache the TXT record. Save. Note Sometimes the key in config/opendkim/keys/domain.tld/mail.txt can be on multiple lines. If so then you need to concatenate the values in the TXT record: $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; \" \"p=AZERTYUIOPQSDF...\" \"asdfQWERTYUIOPQSDF...\" The target (or value) field must then have all the parts together: v=DKIM1; k=rsa; p=AZERTYUIOPQSDF...asdfQWERTYUIOPQSDF... Verify-Only If you want DKIM to only verify incoming emails, the following version of /etc/opendkim.conf may be useful (right now there is no easy mechanism for installing it other than forking the repo): # This is a simple config file verifying messages only #LogWhy yes Syslog yes SyslogSuccess yes Socket inet:12301@localhost PidFile /var/run/opendkim/opendkim.pid ReportAddress postmaster@my-domain.com SendReports yes Mode v Switch Off DKIM Simply remove the DKIM key by recreating (not just relaunching) the mailserver container. Debugging DKIM-verifer : A add-on for the mail client Thunderbird. You can debug your TXT records with the dig tool. $ dig TXT mail._domainkey.domain.tld --- ; <<>> DiG 9.10.3-P4-Debian <<>> TXT mail._domainkey.domain.tld ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39669 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mail._domainkey.domain.tld. IN TXT ;; ANSWER SECTION: mail._domainkey.domain.tld. 3600 IN TXT \"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxBSjG6RnWAdU3oOlqsdf2WC0FOUmU8uHVrzxPLW2R3yRBPGLrGO1++yy3tv6kMieWZwEBHVOdefM6uQOQsZ4brahu9lhG8sFLPX4MaKYN/NR6RK4gdjrZu+MYSdfk3THgSbNwIDAQAB\" ;; Query time: 50 msec ;; SERVER: 127.0.1.1#53(127.0.1.1) ;; WHEN: Wed Sep 07 18:22:57 CEST 2016 ;; MSG SIZE rcvd: 310 Key sizes >=4096-bit Keys of 4096 bits could de denied by some mailservers. According to https://tools.ietf.org/html/rfc6376 keys are preferably between 512 and 2048 bits. See issue #1854 .","title":"DKIM"},{"location":"config/best-practices/dkim/#enabling-dkim-signature","text":"To enable DKIM signature, you must have created at least one email account . Once its done, just run the following command to generate the signature: ./setup.sh config dkim After generating DKIM keys, you should restart the mail server. DNS edits may take a few minutes to hours to propagate. The script assumes you're being in the directory where the config/ directory is located. The default keysize when generating the signature is 4096 bits for now. If you need to change it (e.g. your DNS provider limits the size), then provide the size as the first parameter of the command: ./setup.sh config dkim keysize <keysize> For LDAP systems that do not have any directly created user account you can run the following command (since 8.0.0 ) to generate the signature by additionally providing the desired domain name (if you have multiple domains use the command multiple times or provide a comma-separated list of domains): ./setup.sh config dkim keysize <key-size> domain <domain.tld> [ ,<domain2.tld> ] Now the keys are generated, you can configure your DNS server with DKIM signature, simply by adding a TXT record. If you have direct access to your DNS zone file, then it's only a matter of pasting the content of config/opendkim/keys/domain.tld/mail.txt in your domain.tld.hosts zone. $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; p=AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN/AZERTYUIOPQSDFGHJKLMWXCVBN\"","title":"Enabling DKIM Signature"},{"location":"config/best-practices/dkim/#configuration-using-a-web-interface","text":"Generate a new record of the type TXT . Paste mail._domainkey the Name txt field. In the Target or Value field fill in v=DKIM1; k=rsa; p=AZERTYUGHJKLMWX... . In TTL (time to live): Time span in seconds. How long the DNS server should cache the TXT record. Save. Note Sometimes the key in config/opendkim/keys/domain.tld/mail.txt can be on multiple lines. If so then you need to concatenate the values in the TXT record: $ dig mail._domainkey.domain.tld TXT --- ;; ANSWER SECTION mail._domainkey.<DOMAIN> 300 IN TXT \"v=DKIM1; k=rsa; \" \"p=AZERTYUIOPQSDF...\" \"asdfQWERTYUIOPQSDF...\" The target (or value) field must then have all the parts together: v=DKIM1; k=rsa; p=AZERTYUIOPQSDF...asdfQWERTYUIOPQSDF...","title":"Configuration using a Web Interface"},{"location":"config/best-practices/dkim/#verify-only","text":"If you want DKIM to only verify incoming emails, the following version of /etc/opendkim.conf may be useful (right now there is no easy mechanism for installing it other than forking the repo): # This is a simple config file verifying messages only #LogWhy yes Syslog yes SyslogSuccess yes Socket inet:12301@localhost PidFile /var/run/opendkim/opendkim.pid ReportAddress postmaster@my-domain.com SendReports yes Mode v","title":"Verify-Only"},{"location":"config/best-practices/dkim/#switch-off-dkim","text":"Simply remove the DKIM key by recreating (not just relaunching) the mailserver container.","title":"Switch Off DKIM"},{"location":"config/best-practices/dkim/#debugging","text":"DKIM-verifer : A add-on for the mail client Thunderbird. You can debug your TXT records with the dig tool. $ dig TXT mail._domainkey.domain.tld --- ; <<>> DiG 9.10.3-P4-Debian <<>> TXT mail._domainkey.domain.tld ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39669 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;mail._domainkey.domain.tld. IN TXT ;; ANSWER SECTION: mail._domainkey.domain.tld. 3600 IN TXT \"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxBSjG6RnWAdU3oOlqsdf2WC0FOUmU8uHVrzxPLW2R3yRBPGLrGO1++yy3tv6kMieWZwEBHVOdefM6uQOQsZ4brahu9lhG8sFLPX4MaKYN/NR6RK4gdjrZu+MYSdfk3THgSbNwIDAQAB\" ;; Query time: 50 msec ;; SERVER: 127.0.1.1#53(127.0.1.1) ;; WHEN: Wed Sep 07 18:22:57 CEST 2016 ;; MSG SIZE rcvd: 310 Key sizes >=4096-bit Keys of 4096 bits could de denied by some mailservers. According to https://tools.ietf.org/html/rfc6376 keys are preferably between 512 and 2048 bits. See issue #1854 .","title":"Debugging"},{"location":"config/best-practices/dmarc/","text":"Seealso DMARC Guide: https://github.com/internetstandards/toolbox-wiki/blob/master/DMARC-how-to.md Enabling DMARC In docker-mailserver , DMARC is pre-configured out-of the box. The only thing you need to do in order to enable it, is to add new TXT entry to your DNS. In contrast with DKIM , DMARC DNS entry does not require any keys, but merely setting the configuration values . You can either handcraft the entry by yourself or use one of available generators (like https://dmarcguide.globalcyberalliance.org/ ). Typically something like this should be good to start with (don't forget to replace @domain.com to your actual domain) _dmarc.domain.com. IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; sp=none; ri=86400\" Or a bit more strict policies (mind p=quarantine and sp=quarantine ): _dmarc IN TXT \"v=DMARC1; p=quarantine; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine\" DMARC status is not being displayed instantly in Gmail for instance. If you want to check it directly after DNS entries, you can use some services around the Internet such as https://dmarcguide.globalcyberalliance.org/ or https://ondmarc.redsift.com/ . In other case, email clients will show \"DMARC: PASS\" in ~1 day or so. Reference: #1511","title":"DMARC"},{"location":"config/best-practices/dmarc/#enabling-dmarc","text":"In docker-mailserver , DMARC is pre-configured out-of the box. The only thing you need to do in order to enable it, is to add new TXT entry to your DNS. In contrast with DKIM , DMARC DNS entry does not require any keys, but merely setting the configuration values . You can either handcraft the entry by yourself or use one of available generators (like https://dmarcguide.globalcyberalliance.org/ ). Typically something like this should be good to start with (don't forget to replace @domain.com to your actual domain) _dmarc.domain.com. IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; sp=none; ri=86400\" Or a bit more strict policies (mind p=quarantine and sp=quarantine ): _dmarc IN TXT \"v=DMARC1; p=quarantine; rua=mailto:dmarc.report@domain.com; ruf=mailto:dmarc.report@domain.com; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine\" DMARC status is not being displayed instantly in Gmail for instance. If you want to check it directly after DNS entries, you can use some services around the Internet such as https://dmarcguide.globalcyberalliance.org/ or https://ondmarc.redsift.com/ . In other case, email clients will show \"DMARC: PASS\" in ~1 day or so. Reference: #1511","title":"Enabling DMARC"},{"location":"config/best-practices/spf/","text":"From Wikipedia : Quote Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators. The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged \"from\" addresses, so publishing and checking SPF records can be considered anti-spam techniques. Seealso For a more technical review: https://github.com/internetstandards/toolbox-wiki/blob/master/SPF-how-to.md Add a SPF Record To add a SPF record in your DNS, insert the following line in your DNS zone: ; MX record must be declared for SPF to work domain.com. IN MX 1 mail.domain.com. ; SPF record domain.com. IN TXT \"v=spf1 mx ~all\" This enables the Softfail mode for SPF. You could first add this SPF record with a very low TTL. SoftFail is a good setting for getting started and testing, as it lets all email through, with spams tagged as such in the mailbox. After verification, you might want to change your SPF record to v=spf1 mx -all so as to enforce the HardFail policy. See http://www.open-spf.org/SPF_Record_Syntax for more details about SPF policies. In any case, increment the SPF record's TTL to its final value. Backup MX, Secondary MX For whitelisting a IP Address from the SPF test, you can create a config file (see policyd-spf.conf ) and mount that file into /etc/postfix-policyd-spf-python/policyd-spf.conf . Example: Create and edit a policyd-spf.conf file here /<your docker-mailserver dir>/config/postfix-policyd-spf.conf : debugLevel = 1 #0(only errors)-4(complete data received) skip_addresses = 127.0.0.0/8,::ffff:127.0.0.0/104,::1 # Preferably use IP-Addresses for whitelist lookups: Whitelist = 192.168.0.0/31,192.168.1.0/30 # Domain_Whitelist = mx1.mybackupmx.com,mx2.mybackupmx.com Then add this line to docker-compose.yml : volumes : - ./config/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf","title":"SPF"},{"location":"config/best-practices/spf/#add-a-spf-record","text":"To add a SPF record in your DNS, insert the following line in your DNS zone: ; MX record must be declared for SPF to work domain.com. IN MX 1 mail.domain.com. ; SPF record domain.com. IN TXT \"v=spf1 mx ~all\" This enables the Softfail mode for SPF. You could first add this SPF record with a very low TTL. SoftFail is a good setting for getting started and testing, as it lets all email through, with spams tagged as such in the mailbox. After verification, you might want to change your SPF record to v=spf1 mx -all so as to enforce the HardFail policy. See http://www.open-spf.org/SPF_Record_Syntax for more details about SPF policies. In any case, increment the SPF record's TTL to its final value.","title":"Add a SPF Record"},{"location":"config/best-practices/spf/#backup-mx-secondary-mx","text":"For whitelisting a IP Address from the SPF test, you can create a config file (see policyd-spf.conf ) and mount that file into /etc/postfix-policyd-spf-python/policyd-spf.conf . Example: Create and edit a policyd-spf.conf file here /<your docker-mailserver dir>/config/postfix-policyd-spf.conf : debugLevel = 1 #0(only errors)-4(complete data received) skip_addresses = 127.0.0.0/8,::ffff:127.0.0.0/104,::1 # Preferably use IP-Addresses for whitelist lookups: Whitelist = 192.168.0.0/31,192.168.1.0/30 # Domain_Whitelist = mx1.mybackupmx.com,mx2.mybackupmx.com Then add this line to docker-compose.yml : volumes : - ./config/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf","title":"Backup MX, Secondary MX"},{"location":"config/security/fail2ban/","text":"Fail2Ban is installed automatically and bans IP addresses for 3 hours after 3 failed attempts in 10 minutes by default. If you want to change this, you can easily edit config/fail2ban-jail.cf . You can do the same with the values from fail2ban.conf , e.g dbpurgeage . In that case you need to edit config/fail2ban-fail2ban.cf . Attention The mail container must be launched with the NET_ADMIN capability in order to be able to install the iptable rules that actually ban IP addresses. Thus either include --cap-add=NET_ADMIN in the docker run commandline or the equivalent docker-compose.yml : cap_add : - NET_ADMIN If you don't you will see errors the form of: iptables -w -X f2b-postfix -- stderr: \"getsockopt failed strangely: Operation not permitted\\niptables v1.4.21: can't initialize iptabl es table `filter': Permission denied (you must be root)\\nPerhaps iptables or your kernel needs to be upgraded.\\niptables v1.4.21: can' t initialize iptables table `filter': Permission denied (you must be root)\\nPerhaps iptables or your kernel needs to be upgraded.\\n\" 2016-06-01 00:53:51,284 fail2ban.action [678]: ERROR iptables -w -D INPUT -p tcp -m multiport --dports smtp,465,submission - j f2b-postfix You can also manage and list the banned IPs with the setup.sh script.","title":"Fail2Ban"},{"location":"config/security/ssl/","text":"There are multiple options to enable SSL: Using letsencrypt (recommended) Using Caddy Using Traefik Using self-signed certificates with the provided tool Using your own certificates After installation, you can test your setup with: checktls.com testssl.sh Let's Encrypt (Recommended) To enable Let's Encrypt on your mail server, you have to: Get your certificate using letsencrypt client Add an environment variable SSL_TYPE with value letsencrypt (see docker-compose.yml ) Mount your whole letsencrypt folder to /etc/letsencrypt The certs folder name located in letsencrypt/live/ must be the fqdn of your container responding to the hostname command. The fqdn (full qualified domain name) inside the docker container is built combining the hostname and domainname values of the docker-compose file, eg: services : mail : hostname : mail domainname : myserver.tld fqdn : mail.myserver.tld You don't have anything else to do. Enjoy. Example using Docker for Let's Encrypt Make a directory to store your letsencrypt logs and configs. In my case: mkdir -p /home/ubuntu/docker/letsencrypt cd /home/ubuntu/docker/letsencrypt Now get the certificate (modify mail.myserver.tld ) and following the certbot instructions. This will need access to port 80 from the internet, adjust your firewall if needed: docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ certbot/certbot certonly --standalone -d mail.myserver.tld You can now mount /home/ubuntu/docker/letsencrypt/etc/ in /etc/letsencrypt of docker-mailserver . To renew your certificate just run (this will need access to port 443 from the internet, adjust your firewall if needed): docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ -p 443 :443 \\ certbot/certbot renew Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion If you are running a web server already, it is non-trivial to generate a Let's Encrypt certificate for your mail server using certbot , because port 80 is already occupied. In the following example, we show how docker-mailserver can be run alongside the docker containers nginx-proxy and letsencrypt-nginx-proxy-companion . There are several ways to start nginx-proxy and letsencrypt-nginx-proxy-companion . Any method should be suitable here. For example start nginx-proxy as in the letsencrypt-nginx-proxy-companion documentation : docker run --detach \\ --name nginx-proxy \\ --restart always \\ --publish 80 :80 \\ --publish 443 :443 \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:ro \\ --volume /etc/nginx/vhost.d \\ --volume /usr/share/nginx/html \\ --volume /var/run/docker.sock:/tmp/docker.sock:ro \\ jwilder/nginx-proxy Then start nginx-proxy-letsencrypt : docker run --detach \\ --name nginx-proxy-letsencrypt \\ --restart always \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:rw \\ --volumes-from nginx-proxy \\ --volume /var/run/docker.sock:/var/run/docker.sock:ro \\ jrcs/letsencrypt-nginx-proxy-companion Start the rest of your web server containers as usual. Start another container for your mail.myserver.tld . This will generate a Let's Encrypt certificate for your domain, which can be used by docker-mailserver . It will also run a web server on port 80 at that address: docker run -d \\ --name webmail \\ -e \"VIRTUAL_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_EMAIL=foo@bar.com\" \\ library/nginx You may want to add -e LETSENCRYPT_TEST=true to the above while testing to avoid the Let's Encrypt certificate generation rate limits. Finally, start the mailserver with the docker-compose.yml . Make sure your mount path to the letsencrypt certificates is correct. Inside your /path/to/mailserver/docker-compose.yml (for the mailserver from this repo) make sure volumes look like below example: volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /server/letsencrypt/etc:/etc/letsencrypt/live Then: /path/to/mailserver/docker-compose up -d mail Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion with docker-compose The following docker-compose.yml is the basic setup you need for using letsencrypt-nginx-proxy-companion . It is mainly derived from its own wiki/documenation. Example Code version : \"2\" services : nginx : image : nginx container_name : nginx ports : - 80:80 - 443:443 volumes : - /mnt/data/nginx/htpasswd:/etc/nginx/htpasswd - /mnt/data/nginx/conf.d:/etc/nginx/conf.d - /mnt/data/nginx/vhost.d:/etc/nginx/vhost.d - /mnt/data/nginx/html:/usr/share/nginx/html - /mnt/data/nginx/certs:/etc/nginx/certs:ro networks : - proxy-tier restart : always nginx-gen : image : jwilder/docker-gen container_name : nginx-gen volumes : - /var/run/docker.sock:/tmp/docker.sock:ro - /mnt/data/nginx/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro volumes_from : - nginx entrypoint : /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf restart : always letsencrypt-nginx-proxy-companion : image : jrcs/letsencrypt-nginx-proxy-companion container_name : letsencrypt-companion volumes_from : - nginx volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /mnt/data/nginx/certs:/etc/nginx/certs:rw environment : - NGINX_DOCKER_GEN_CONTAINER=nginx-gen - DEBUG=false restart : always networks : proxy-tier : external : name : nginx-proxy The second part of the setup is the actual mail container. So, in another folder, create another docker-compose.yml with the following content (Removed all ENV variables for this example): Example Code version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : ${HOSTNAME} domainname : ${DOMAINNAME} container_name : ${CONTAINER_NAME} ports : - \"25:25\" - \"143:143\" - \"465:465\" - \"587:587\" - \"993:993\" volumes : - ./mail:/var/mail - ./mail-state:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /mnt/data/nginx/certs/:/etc/letsencrypt/live/:ro cap_add : - NET_ADMIN - SYS_PTRACE restart : always cert-companion : image : nginx environment : - \"VIRTUAL_HOST=\" - \"VIRTUAL_NETWORK=nginx-proxy\" - \"LETSENCRYPT_HOST=\" - \"LETSENCRYPT_EMAIL=\" networks : - proxy-tier restart : always networks : proxy-tier : external : name : nginx-proxy The mail container needs to have the letsencrypt certificate folder mounted as a volume. No further changes are needed. The second container is a dummy-sidecar we need, because the mail-container do not expose any web-ports. Set your ENV variables as you need. ( VIRTUAL_HOST and LETSENCRYPT_HOST are mandandory, see documentation) Example using the Let's Encrypt Certificates on a Synology NAS Version 6.2 and later of the Synology NAS DSM OS now come with an interface to generate and renew letencrypt certificates. Navigation into your DSM control panel and go to Security, then click on the tab Certificate to generate and manage letsencrypt certificates. Amongst other things, you can use these to secure your mail server. DSM locates the generated certificates in a folder below /usr/syno/etc/certificate/_archive/ . Navigate to that folder and note the 6 character random folder name of the certificate you'd like to use. Then, add the following to your docker-compose.yml declaration file: volumes : - /usr/syno/etc/certificate/_archive/<your-folder>/:/tmp/ssl environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/fullchain.pem - SSL_KEY_PATH=/tmp/ssl/privkey.pem DSM-generated letsencrypt certificates get auto-renewed every three months. Caddy If you are using Caddy to renew your certificates, please note that only RSA certificates work. Read #1440 for details. In short for Caddy v1 the Caddyfile should look something like: https://mail.domain.com { tls yourcurrentemail@gmail.com { key_type rsa2048 } } For Caddy v2 you can specify the key_type in your server's global settings, which would end up looking something like this if you're using a Caddyfile : { debug admin localhost:2019 http_port 80 https_port 443 default_sni mywebserver.com key_type rsa4096 } If you are instead using a json config for Caddy v2, you can set it in your site's TLS automation policies: Example Code { \"apps\" : { \"http\" : { \"servers\" : { \"srv0\" : { \"listen\" : [ \":443\" ], \"routes\" : [ { \"match\" : [ { \"host\" : [ \"mail.domain.com\" , ] } ], \"handle\" : [ { \"handler\" : \"subroute\" , \"routes\" : [ { \"handle\" : [ { \"body\" : \"\" , \"handler\" : \"static_response\" } ] } ] } ], \"terminal\" : true }, ] } } }, \"tls\" : { \"automation\" : { \"policies\" : [ { \"subjects\" : [ \"mail.domain.com\" , ], \"key_type\" : \"rsa2048\" , \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } }, { \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } } ] } } } } The generated certificates can be mounted: volumes : - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.crt:/etc/letsencrypt/live/mail.domain.com/fullchain.pem - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.key:/etc/letsencrypt/live/mail.domain.com/privkey.pem EC certificates fail in the TLS handshake: CONNECTED(00000003) 140342221178112:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:ssl/record/rec_layer_s3.c:1543:SSL alert number 40 no peer certificate available No client certificate CA names sent Traefik Traefik is an open-source Edge Router which handles ACME protocol using lego . Traefik can request certificates for domains through the ACME protocol (see Traefik's documentation about its ACME negotiation & storage mechanism ). Traefik's router will take care of renewals, challenge negotiations, etc. Traefik v2 (For Traefik v1 see next section ) Traefik's V2 storage format is natively supported if the acme.json store is mounted into the container at /etc/letsencrypt/acme.json . The file is also monitored for changes and will trigger a reload of the mail services. Lookup of the certificate domain happens in the following order: $SSL_DOMAIN $HOSTNAME $DOMAINNAME This allows for support of wild card certificates: SSL_DOMAIN=*.example.com . Here is an example setup for docker-compose : Example Code version : '3.8' services : mail : image : mailserver/docker-mailserver:stable hostname : mail domainname : example.com volumes : - /etc/ssl/acme-v2.json:/etc/letsencrypt/acme.json:ro environment : SSL_TYPE : letsencrypt # SSL_DOMAIN: \"*.example.com\" traefik : image : traefik:v2.2 restart : always ports : - \"80:80\" - \"443:443\" command : - --providers.docker - --entrypoints.web.address=:80 - --entrypoints.web.http.redirections.entryPoint.to=websecure - --entrypoints.web.http.redirections.entryPoint.scheme=https - --entrypoints.websecure.address=:443 - --entrypoints.websecure.http.middlewares=hsts@docker - --entrypoints.websecure.http.tls.certResolver=le - --certificatesresolvers.le.acme.email=admin@example.net - --certificatesresolvers.le.acme.storage=/acme.json - --certificatesresolvers.le.acme.httpchallenge.entrypoint=web volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /etc/ssl/acme-v2.json:/acme.json whoami : image : containous/whoami labels : - \"traefik.http.routers.whoami.rule=Host(`mail.example.com`)\" This setup only comes with one caveat: The domain has to be configured on another service for traefik to actually request it from lets-encrypt ( whoami in this case). Traefik v1 If you are using Traefik v1, you might want to push your Traefik-managed certificates to the mailserver container, in order to reuse them. Not an easy task, but fortunately, youtous/mailserver-traefik is a certificate renewal service for docker-mailserver . Depending of your Traefik configuration, certificates may be stored using a file or a KV Store (consul, etcd...) Either way, certificates will be renewed by Traefik, then automatically pushed to the mailserver thanks to the cert-renewer service. Finally, dovecot and postfix will be restarted. Self-Signed Certificates Warning Use self-signed certificates only for testing purposes! You can generate a self-signed SSL certificate by using the following command: docker run -it --rm -v \" $( pwd ) \" /config/ssl:/tmp/docker-mailserver/ssl -h mail.my-domain.com -t mailserver/docker-mailserver generate-ssl-certificate # Press enter # Enter a password when needed # Fill information like Country, Organisation name # Fill \"my-domain.com\" as FQDN for CA, and \"mail.my-domain.com\" for the certificate. # They HAVE to be different, otherwise you'll get a `TXT_DB error number 2` # Don't fill extras # Enter same password when needed # Sign the certificate? [y/n]:y # 1 out of 1 certificate requests certified, commit? [y/n]y # will generate: # config/ssl/mail.my-domain.com-key.pem (used in postfix) # config/ssl/mail.my-domain.com-req.pem (only used to generate other files) # config/ssl/mail.my-domain.com-cert.pem (used in postfix) # config/ssl/mail.my-domain.com-combined.pem (used in courier) # config/ssl/demoCA/cacert.pem (certificate authority) Note The certificate will be generate for the container fqdn , that is passed as -h argument. Check the following page for more information regarding postfix and SSL/TLS configuration . To use the certificate: Add SSL_TYPE=self-signed to your container environment variables If a matching certificate (files listed above) is found in config/ssl , it will be automatically setup in postfix and dovecot. You just have to place them in config/ssl folder. Custom Certificate Files You can also provide your own certificate files. Add these entries to your docker-compose.yml : volumes : - /etc/ssl:/tmp/ssl:ro environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/cert/public.crt - SSL_KEY_PATH=/tmp/ssl/private/private.key This will mount the path where your ssl certificates reside as read-only under /tmp/ssl . Then all you have to do is to specify the location of your private key and the certificate. Info You may have to restart your mailserver once the certificates change. Testing a Certificate is Valid From your host: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ Or: docker exec mail openssl s_client \\ -connect 0 .0.0.0:143 \\ -starttls imap \\ -CApath /etc/ssl/certs/ And you should see the certificate chain, the server certificate and: Verify return code: 0 (ok) In addition, to verify certificate dates: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ \\ 2 >/dev/null | openssl x509 -noout -dates Plain-Text Access Warning Not recommended for purposes other than testing. Add this to config/dovecot.cf : ssl = yes disable_plaintext_auth = no These options in conjunction mean: SSL/TLS is offered to the client, but the client isn't required to use it. The client is allowed to login with plaintext authentication even when SSL/TLS isn't enabled on the connection. This is insecure , because the plaintext password is exposed to the internet. Importing Certificates Obtained via Another Source If you have another source for SSL/TLS certificates you can import them into the server via an external script. The external script can be found here: external certificate import script . The steps to follow are these: Transport the new certificates to ./config/ssl ( /tmp/ssl in the container) You should provide fullchain.key and privkey.pem Place the script in ./config/ (or /tmp/docker-mailserver/ inside the container) Make the script executable ( chmod +x tomav-renew-certs.sh ) Run the script: docker exec mail /tmp/docker-mailserver/tomav-renew-certs.sh If an error occurs the script will inform you. If not you will see both postfix and dovecot restart. After the certificates have been loaded you can check the certificate: openssl s_client \\ -servername mail.mydomain.net \\ -connect 192 .168.0.72:465 \\ 2 >/dev/null | openssl x509 # or openssl s_client \\ -servername mail.mydomain.net \\ -connect mail.mydomain.net:465 \\ 2 >/dev/null | openssl x509 Or you can check how long the new certificate is valid with commands like: export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.0.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot ##works: check if certificate will expire in two weeks #2 weeks is 1209600 seconds #3 weeks is 1814400 #12 weeks is 7257600 #15 weeks is 9072000 certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### What does the script that imports the certificates do: Check if there are new certs in the /tmp/ssl folder. Check with the ssl cert fingerprint if they differ from the current certificates. If so it will copy the certs to the right places. And restart postfix and dovecot. You can of course run the script by cron once a week or something. In that way you could automate cert renewal. If you do so it is probably wise to run an automated check on certificate expiry as well. Such a check could look something like this: ## code below will alert if certificate expires in less than two weeks ## please adjust varables! ## make sure the mail -s command works! Test! export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.2.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot export ALERT_EMAIL_ADDR = \"bill@gates321boom.com\" certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### #echo \"certcheck 2 weeks gives $certcheck_2weeks\" ##automated check you might run by cron or something ## does tls/ssl certificate expire within two weeks? if [ \" $certcheck_2weeks \" = \"Certificate will not expire\" ] ; then echo \"all is well, certwatch 2 weeks says $certcheck_2weeks \" else echo \"Cert seems to be expiring pretty soon, within two weeks: $certcheck_2weeks \" echo \"we will send an alert email and log as well\" logger Certwatch: cert $SITE_URL will expire in two weeks echo \"Certwatch: cert $SITE_URL will expire in two weeks\" | mail -s \"cert $SITE_URL expires in two weeks \" $ALERT_EMAIL_ADDR fi","title":"SSL/TLS"},{"location":"config/security/ssl/#lets-encrypt-recommended","text":"To enable Let's Encrypt on your mail server, you have to: Get your certificate using letsencrypt client Add an environment variable SSL_TYPE with value letsencrypt (see docker-compose.yml ) Mount your whole letsencrypt folder to /etc/letsencrypt The certs folder name located in letsencrypt/live/ must be the fqdn of your container responding to the hostname command. The fqdn (full qualified domain name) inside the docker container is built combining the hostname and domainname values of the docker-compose file, eg: services : mail : hostname : mail domainname : myserver.tld fqdn : mail.myserver.tld You don't have anything else to do. Enjoy.","title":"Let's Encrypt (Recommended)"},{"location":"config/security/ssl/#example-using-docker-for-lets-encrypt","text":"Make a directory to store your letsencrypt logs and configs. In my case: mkdir -p /home/ubuntu/docker/letsencrypt cd /home/ubuntu/docker/letsencrypt Now get the certificate (modify mail.myserver.tld ) and following the certbot instructions. This will need access to port 80 from the internet, adjust your firewall if needed: docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ certbot/certbot certonly --standalone -d mail.myserver.tld You can now mount /home/ubuntu/docker/letsencrypt/etc/ in /etc/letsencrypt of docker-mailserver . To renew your certificate just run (this will need access to port 443 from the internet, adjust your firewall if needed): docker run --rm -it \\ -v $PWD /log/:/var/log/letsencrypt/ \\ -v $PWD /etc/:/etc/letsencrypt/ \\ -p 80 :80 \\ -p 443 :443 \\ certbot/certbot renew","title":"Example using Docker for Let's Encrypt"},{"location":"config/security/ssl/#example-using-docker-nginx-proxy-and-letsencrypt-nginx-proxy-companion","text":"If you are running a web server already, it is non-trivial to generate a Let's Encrypt certificate for your mail server using certbot , because port 80 is already occupied. In the following example, we show how docker-mailserver can be run alongside the docker containers nginx-proxy and letsencrypt-nginx-proxy-companion . There are several ways to start nginx-proxy and letsencrypt-nginx-proxy-companion . Any method should be suitable here. For example start nginx-proxy as in the letsencrypt-nginx-proxy-companion documentation : docker run --detach \\ --name nginx-proxy \\ --restart always \\ --publish 80 :80 \\ --publish 443 :443 \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:ro \\ --volume /etc/nginx/vhost.d \\ --volume /usr/share/nginx/html \\ --volume /var/run/docker.sock:/tmp/docker.sock:ro \\ jwilder/nginx-proxy Then start nginx-proxy-letsencrypt : docker run --detach \\ --name nginx-proxy-letsencrypt \\ --restart always \\ --volume /server/letsencrypt/etc:/etc/nginx/certs:rw \\ --volumes-from nginx-proxy \\ --volume /var/run/docker.sock:/var/run/docker.sock:ro \\ jrcs/letsencrypt-nginx-proxy-companion Start the rest of your web server containers as usual. Start another container for your mail.myserver.tld . This will generate a Let's Encrypt certificate for your domain, which can be used by docker-mailserver . It will also run a web server on port 80 at that address: docker run -d \\ --name webmail \\ -e \"VIRTUAL_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_HOST=mail.myserver.tld\" \\ -e \"LETSENCRYPT_EMAIL=foo@bar.com\" \\ library/nginx You may want to add -e LETSENCRYPT_TEST=true to the above while testing to avoid the Let's Encrypt certificate generation rate limits. Finally, start the mailserver with the docker-compose.yml . Make sure your mount path to the letsencrypt certificates is correct. Inside your /path/to/mailserver/docker-compose.yml (for the mailserver from this repo) make sure volumes look like below example: volumes : - maildata:/var/mail - mailstate:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /server/letsencrypt/etc:/etc/letsencrypt/live Then: /path/to/mailserver/docker-compose up -d mail","title":"Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion"},{"location":"config/security/ssl/#example-using-docker-nginx-proxy-and-letsencrypt-nginx-proxy-companion-with-docker-compose","text":"The following docker-compose.yml is the basic setup you need for using letsencrypt-nginx-proxy-companion . It is mainly derived from its own wiki/documenation. Example Code version : \"2\" services : nginx : image : nginx container_name : nginx ports : - 80:80 - 443:443 volumes : - /mnt/data/nginx/htpasswd:/etc/nginx/htpasswd - /mnt/data/nginx/conf.d:/etc/nginx/conf.d - /mnt/data/nginx/vhost.d:/etc/nginx/vhost.d - /mnt/data/nginx/html:/usr/share/nginx/html - /mnt/data/nginx/certs:/etc/nginx/certs:ro networks : - proxy-tier restart : always nginx-gen : image : jwilder/docker-gen container_name : nginx-gen volumes : - /var/run/docker.sock:/tmp/docker.sock:ro - /mnt/data/nginx/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro volumes_from : - nginx entrypoint : /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf restart : always letsencrypt-nginx-proxy-companion : image : jrcs/letsencrypt-nginx-proxy-companion container_name : letsencrypt-companion volumes_from : - nginx volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /mnt/data/nginx/certs:/etc/nginx/certs:rw environment : - NGINX_DOCKER_GEN_CONTAINER=nginx-gen - DEBUG=false restart : always networks : proxy-tier : external : name : nginx-proxy The second part of the setup is the actual mail container. So, in another folder, create another docker-compose.yml with the following content (Removed all ENV variables for this example): Example Code version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : ${HOSTNAME} domainname : ${DOMAINNAME} container_name : ${CONTAINER_NAME} ports : - \"25:25\" - \"143:143\" - \"465:465\" - \"587:587\" - \"993:993\" volumes : - ./mail:/var/mail - ./mail-state:/var/mail-state - ./config/:/tmp/docker-mailserver/ - /mnt/data/nginx/certs/:/etc/letsencrypt/live/:ro cap_add : - NET_ADMIN - SYS_PTRACE restart : always cert-companion : image : nginx environment : - \"VIRTUAL_HOST=\" - \"VIRTUAL_NETWORK=nginx-proxy\" - \"LETSENCRYPT_HOST=\" - \"LETSENCRYPT_EMAIL=\" networks : - proxy-tier restart : always networks : proxy-tier : external : name : nginx-proxy The mail container needs to have the letsencrypt certificate folder mounted as a volume. No further changes are needed. The second container is a dummy-sidecar we need, because the mail-container do not expose any web-ports. Set your ENV variables as you need. ( VIRTUAL_HOST and LETSENCRYPT_HOST are mandandory, see documentation)","title":"Example using Docker, nginx-proxy and letsencrypt-nginx-proxy-companion with docker-compose"},{"location":"config/security/ssl/#example-using-the-lets-encrypt-certificates-on-a-synology-nas","text":"Version 6.2 and later of the Synology NAS DSM OS now come with an interface to generate and renew letencrypt certificates. Navigation into your DSM control panel and go to Security, then click on the tab Certificate to generate and manage letsencrypt certificates. Amongst other things, you can use these to secure your mail server. DSM locates the generated certificates in a folder below /usr/syno/etc/certificate/_archive/ . Navigate to that folder and note the 6 character random folder name of the certificate you'd like to use. Then, add the following to your docker-compose.yml declaration file: volumes : - /usr/syno/etc/certificate/_archive/<your-folder>/:/tmp/ssl environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/fullchain.pem - SSL_KEY_PATH=/tmp/ssl/privkey.pem DSM-generated letsencrypt certificates get auto-renewed every three months.","title":"Example using the Let's Encrypt Certificates on a Synology NAS"},{"location":"config/security/ssl/#caddy","text":"If you are using Caddy to renew your certificates, please note that only RSA certificates work. Read #1440 for details. In short for Caddy v1 the Caddyfile should look something like: https://mail.domain.com { tls yourcurrentemail@gmail.com { key_type rsa2048 } } For Caddy v2 you can specify the key_type in your server's global settings, which would end up looking something like this if you're using a Caddyfile : { debug admin localhost:2019 http_port 80 https_port 443 default_sni mywebserver.com key_type rsa4096 } If you are instead using a json config for Caddy v2, you can set it in your site's TLS automation policies: Example Code { \"apps\" : { \"http\" : { \"servers\" : { \"srv0\" : { \"listen\" : [ \":443\" ], \"routes\" : [ { \"match\" : [ { \"host\" : [ \"mail.domain.com\" , ] } ], \"handle\" : [ { \"handler\" : \"subroute\" , \"routes\" : [ { \"handle\" : [ { \"body\" : \"\" , \"handler\" : \"static_response\" } ] } ] } ], \"terminal\" : true }, ] } } }, \"tls\" : { \"automation\" : { \"policies\" : [ { \"subjects\" : [ \"mail.domain.com\" , ], \"key_type\" : \"rsa2048\" , \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } }, { \"issuer\" : { \"email\" : \"email@email.com\" , \"module\" : \"acme\" } } ] } } } } The generated certificates can be mounted: volumes : - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.crt:/etc/letsencrypt/live/mail.domain.com/fullchain.pem - ${CADDY_DATA_DIR}/certificates/acme-v02.api.letsencrypt.org-directory/mail.domain.com/mail.domain.com.key:/etc/letsencrypt/live/mail.domain.com/privkey.pem EC certificates fail in the TLS handshake: CONNECTED(00000003) 140342221178112:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:ssl/record/rec_layer_s3.c:1543:SSL alert number 40 no peer certificate available No client certificate CA names sent","title":"Caddy"},{"location":"config/security/ssl/#traefik","text":"Traefik is an open-source Edge Router which handles ACME protocol using lego . Traefik can request certificates for domains through the ACME protocol (see Traefik's documentation about its ACME negotiation & storage mechanism ). Traefik's router will take care of renewals, challenge negotiations, etc.","title":"Traefik"},{"location":"config/security/ssl/#traefik-v2","text":"(For Traefik v1 see next section ) Traefik's V2 storage format is natively supported if the acme.json store is mounted into the container at /etc/letsencrypt/acme.json . The file is also monitored for changes and will trigger a reload of the mail services. Lookup of the certificate domain happens in the following order: $SSL_DOMAIN $HOSTNAME $DOMAINNAME This allows for support of wild card certificates: SSL_DOMAIN=*.example.com . Here is an example setup for docker-compose : Example Code version : '3.8' services : mail : image : mailserver/docker-mailserver:stable hostname : mail domainname : example.com volumes : - /etc/ssl/acme-v2.json:/etc/letsencrypt/acme.json:ro environment : SSL_TYPE : letsencrypt # SSL_DOMAIN: \"*.example.com\" traefik : image : traefik:v2.2 restart : always ports : - \"80:80\" - \"443:443\" command : - --providers.docker - --entrypoints.web.address=:80 - --entrypoints.web.http.redirections.entryPoint.to=websecure - --entrypoints.web.http.redirections.entryPoint.scheme=https - --entrypoints.websecure.address=:443 - --entrypoints.websecure.http.middlewares=hsts@docker - --entrypoints.websecure.http.tls.certResolver=le - --certificatesresolvers.le.acme.email=admin@example.net - --certificatesresolvers.le.acme.storage=/acme.json - --certificatesresolvers.le.acme.httpchallenge.entrypoint=web volumes : - /var/run/docker.sock:/var/run/docker.sock:ro - /etc/ssl/acme-v2.json:/acme.json whoami : image : containous/whoami labels : - \"traefik.http.routers.whoami.rule=Host(`mail.example.com`)\" This setup only comes with one caveat: The domain has to be configured on another service for traefik to actually request it from lets-encrypt ( whoami in this case).","title":"Traefik v2"},{"location":"config/security/ssl/#traefik-v1","text":"If you are using Traefik v1, you might want to push your Traefik-managed certificates to the mailserver container, in order to reuse them. Not an easy task, but fortunately, youtous/mailserver-traefik is a certificate renewal service for docker-mailserver . Depending of your Traefik configuration, certificates may be stored using a file or a KV Store (consul, etcd...) Either way, certificates will be renewed by Traefik, then automatically pushed to the mailserver thanks to the cert-renewer service. Finally, dovecot and postfix will be restarted.","title":"Traefik v1"},{"location":"config/security/ssl/#self-signed-certificates","text":"Warning Use self-signed certificates only for testing purposes! You can generate a self-signed SSL certificate by using the following command: docker run -it --rm -v \" $( pwd ) \" /config/ssl:/tmp/docker-mailserver/ssl -h mail.my-domain.com -t mailserver/docker-mailserver generate-ssl-certificate # Press enter # Enter a password when needed # Fill information like Country, Organisation name # Fill \"my-domain.com\" as FQDN for CA, and \"mail.my-domain.com\" for the certificate. # They HAVE to be different, otherwise you'll get a `TXT_DB error number 2` # Don't fill extras # Enter same password when needed # Sign the certificate? [y/n]:y # 1 out of 1 certificate requests certified, commit? [y/n]y # will generate: # config/ssl/mail.my-domain.com-key.pem (used in postfix) # config/ssl/mail.my-domain.com-req.pem (only used to generate other files) # config/ssl/mail.my-domain.com-cert.pem (used in postfix) # config/ssl/mail.my-domain.com-combined.pem (used in courier) # config/ssl/demoCA/cacert.pem (certificate authority) Note The certificate will be generate for the container fqdn , that is passed as -h argument. Check the following page for more information regarding postfix and SSL/TLS configuration . To use the certificate: Add SSL_TYPE=self-signed to your container environment variables If a matching certificate (files listed above) is found in config/ssl , it will be automatically setup in postfix and dovecot. You just have to place them in config/ssl folder.","title":"Self-Signed Certificates"},{"location":"config/security/ssl/#custom-certificate-files","text":"You can also provide your own certificate files. Add these entries to your docker-compose.yml : volumes : - /etc/ssl:/tmp/ssl:ro environment : - SSL_TYPE=manual - SSL_CERT_PATH=/tmp/ssl/cert/public.crt - SSL_KEY_PATH=/tmp/ssl/private/private.key This will mount the path where your ssl certificates reside as read-only under /tmp/ssl . Then all you have to do is to specify the location of your private key and the certificate. Info You may have to restart your mailserver once the certificates change.","title":"Custom Certificate Files"},{"location":"config/security/ssl/#testing-a-certificate-is-valid","text":"From your host: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ Or: docker exec mail openssl s_client \\ -connect 0 .0.0.0:143 \\ -starttls imap \\ -CApath /etc/ssl/certs/ And you should see the certificate chain, the server certificate and: Verify return code: 0 (ok) In addition, to verify certificate dates: docker exec mail openssl s_client \\ -connect 0 .0.0.0:25 \\ -starttls smtp \\ -CApath /etc/ssl/certs/ \\ 2 >/dev/null | openssl x509 -noout -dates","title":"Testing a Certificate is Valid"},{"location":"config/security/ssl/#plain-text-access","text":"Warning Not recommended for purposes other than testing. Add this to config/dovecot.cf : ssl = yes disable_plaintext_auth = no These options in conjunction mean: SSL/TLS is offered to the client, but the client isn't required to use it. The client is allowed to login with plaintext authentication even when SSL/TLS isn't enabled on the connection. This is insecure , because the plaintext password is exposed to the internet.","title":"Plain-Text Access"},{"location":"config/security/ssl/#importing-certificates-obtained-via-another-source","text":"If you have another source for SSL/TLS certificates you can import them into the server via an external script. The external script can be found here: external certificate import script . The steps to follow are these: Transport the new certificates to ./config/ssl ( /tmp/ssl in the container) You should provide fullchain.key and privkey.pem Place the script in ./config/ (or /tmp/docker-mailserver/ inside the container) Make the script executable ( chmod +x tomav-renew-certs.sh ) Run the script: docker exec mail /tmp/docker-mailserver/tomav-renew-certs.sh If an error occurs the script will inform you. If not you will see both postfix and dovecot restart. After the certificates have been loaded you can check the certificate: openssl s_client \\ -servername mail.mydomain.net \\ -connect 192 .168.0.72:465 \\ 2 >/dev/null | openssl x509 # or openssl s_client \\ -servername mail.mydomain.net \\ -connect mail.mydomain.net:465 \\ 2 >/dev/null | openssl x509 Or you can check how long the new certificate is valid with commands like: export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.0.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot ##works: check if certificate will expire in two weeks #2 weeks is 1209600 seconds #3 weeks is 1814400 #12 weeks is 7257600 #15 weeks is 9072000 certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### What does the script that imports the certificates do: Check if there are new certs in the /tmp/ssl folder. Check with the ssl cert fingerprint if they differ from the current certificates. If so it will copy the certs to the right places. And restart postfix and dovecot. You can of course run the script by cron once a week or something. In that way you could automate cert renewal. If you do so it is probably wise to run an automated check on certificate expiry as well. Such a check could look something like this: ## code below will alert if certificate expires in less than two weeks ## please adjust varables! ## make sure the mail -s command works! Test! export SITE_URL = \"mail.mydomain.net\" export SITE_IP_URL = \"192.168.2.72\" # can also be `mail.mydomain.net` export SITE_SSL_PORT = \"993\" # imap port dovecot export ALERT_EMAIL_ADDR = \"bill@gates321boom.com\" certcheck_2weeks = ` openssl s_client -connect ${ SITE_IP_URL } : ${ SITE_SSL_PORT } \\ -servername ${ SITE_URL } 2 > /dev/null | openssl x509 -noout -checkend 1209600 ` #################################### #notes: output can be #Certificate will not expire #Certificate will expire #################### #echo \"certcheck 2 weeks gives $certcheck_2weeks\" ##automated check you might run by cron or something ## does tls/ssl certificate expire within two weeks? if [ \" $certcheck_2weeks \" = \"Certificate will not expire\" ] ; then echo \"all is well, certwatch 2 weeks says $certcheck_2weeks \" else echo \"Cert seems to be expiring pretty soon, within two weeks: $certcheck_2weeks \" echo \"we will send an alert email and log as well\" logger Certwatch: cert $SITE_URL will expire in two weeks echo \"Certwatch: cert $SITE_URL will expire in two weeks\" | mail -s \"cert $SITE_URL expires in two weeks \" $ALERT_EMAIL_ADDR fi","title":"Importing Certificates Obtained via Another Source"},{"location":"config/security/understanding-the-ports/","text":"Quick Reference Prefer Implicit TLS ports, they're more secure and if you use a Reverse Proxy, should be less hassle (although it's probably wiser to expose these ports directly to docker-mailserver ). Overview of Email Ports Protocol Explicit TLS 1 Implicit TLS Purpose SMTP 25 N/A Transfer 2 ESMTP 587 465 3 Submission POP3 110 995 Retrieval IMAP4 143 993 Retrieval A connection may be secured over TLS when both ends support STARTTLS . On ports 110, 143 and 587, docker-mailserver will reject a connection that cannot be secured. Port 25 is required to support insecure connections. Receives email, docker-mailserver additionally filters for spam and viruses. For submitting email to the server to be sent to third-parties, you should prefer the submission ports(465, 587) - which require authentication. Unless a relay host is configured(eg SendGrid), outgoing email will leave the server via port 25(thus outbound traffic must not be blocked by your provider or firewall). A submission port since 2018 ( RFC 8314 ). Previously a secure variant of port 25. What Ports Should I Use? (SMTP) Flowchart - Mermaid.js source: View in the Live Editor . flowchart LR subgraph your-server [\"Your Server\"] in_25(25) --> server in_465(465) --> server server((\"docker-mailserver<br/>hello@world.com\")) server --- out_25(25) server --- out_465(465) end third-party(\"Third-party<br/>(sending you email)\") ---|\"Receive email for<br/>hello@world.com\"| in_25 subgraph clients [\"Clients (MUA)\"] mua-client(Thunderbird,<br/>Webmail,<br/>Mutt,<br/>etc) mua-service(Backend software<br/>on another server) end clients ---|\"Send email as<br/>hello@world.com\"| in_465 out_25(25) -->|\"Direct<br/>Delivery\"| tin_25 out_465(465) --> relay(\"MTA<br/>Relay Server\") --> tin_25(25) subgraph third-party-server[\"Third-party Server\"] third-party-mta(\"MTA<br/>friend@example.com\") tin_25(25) --> third-party-mta end Inbound Traffic (On the left) Port 25: Think of this like a physical mailbox, it is open to receive email from anyone who wants to. docker-mailserver will actively filter email delivered on this port for spam or viruses and refuse mail from known bad sources. While you could also use this port internally to send email outbound without requiring authentication, you really should prefer the Submission ports(587, 465). Port 465( and 587 ): This is the equivalent of a post office box where you would send email to be delivered on your behalf( docker-mailserver is that metaphorical post office, aka the MTA). Unlike port 25, these two ports are known as the Submission ports and require a valid email account on the server with a password to be able to send email to anyone outside of the server(an MTA you do not control, eg Outlook or Gmail). Prefer port 465 which provides Implicit TLS. Outbound Traffic (On the Right) Port 25: Send the email directly to the given email address MTA as possible. Like your own docker-mailserver port 25, this is the standard port for receiving email on, thus email will almost always arrive to the final MTA on this port. Note that, there may be additional MTAs further in the chain, but this would be the public facing one representing that email address. Port 465( and 587 ): SMTP Relays are a popular choice to hand-off delivery of email through. Services like SendGrid are useful for bulk email(marketing) or when your webhost or ISP are preventing you from using standard ports like port 25 to send out email(which can be abused by spammers). docker-mailserver can serve as a relay too, but the difference between a DIY relay and a professional service is reputation, which is referenced by MTAs you're delivering to such as Outlook, Gmail or others(perhaps another docker-mailserver server!), when deciding if email should be marked as junked or potentially not delivered at all. As a service like SendGrid has a reputation to maintain, relay is restricted to registered users who must authenticate(even on port 25), they do not store email, merely forward it to another MTA which could be delivered on a different port like 25. Explicit vs Implicit TLS Explicit TLS (aka Opportunistic TLS) - Opt-in Encryption Communication on these ports begin in cleartext , indicating support for STARTTLS . If both client and server support STARTTLS the connection will be secured over TLS, otherwise no encryption will be used. Support for STARTTLS is not always implemented correctly, which can lead to leaking credentials(client sending too early) prior to a TLS connection being established. Third-parties such as some ISPs have also been known to intercept the STARTTLS exchange, modifying network traffic to prevent establishing a secure connection. Due to these security concerns, RFC 8314 (Section 4.1) encourages you to prefer Implicit TLS ports where possible . Implicit TLS - Enforced Encryption Communication is always encrypted, avoiding the above mentioned issues with Explicit TLS. You may know of these ports as SMTPS, POP3S, IMAPS , which indicate the protocol in combination with a TLS connection. However, Explicit TLS ports provide the same benefit when STARTTLS is successfully negotiated; Implicit TLS better communicates the improved security to all three protocols (SMTP/POP3/IMAP over Implicit TLS). Additionally, referring to port 465 as SMTPS would be incorrect, as it is a submissions port requiring authentication to proceed via ESMTP , whereas ESMTPS has a different meaning(STARTTLS supported). Port 25 may lack Implicit TLS, but can be configured to be more secure between trusted parties via MTA-STS, STARTTLS Policy List, DNSSEC and DANE. Security Todo This section should provide any related configuration advice, and probably expand on and link to resources about DANE, DNSSEC, MTA-STS and STARTTLS Policy list, with advice on how to configure/setup these added security layers. Todo A related section or page on ciphers used may be useful, although less important for users to be concerned about. TLS connections on mail servers, compared to web browsers Unlike with HTTP where a web browser client communicates directly with the server providing a website, a secure TLS connection as discussed below is not the equivalent safety that HTTPS provides when the transit of email (receiving or sending) is sent through third-parties, as the secure connection is only between two machines, any additional machines (MTAs) between the MUA and the MDA depends on them establishing secure connections between one another successfully. Other machines that facilitate a connection that generally aren't taken into account can exist between a client and server, such as those where your connection passes through your ISP provider are capable of compromising a cleartext connection through interception.","title":"Understanding the Ports"},{"location":"config/security/understanding-the-ports/#quick-reference","text":"Prefer Implicit TLS ports, they're more secure and if you use a Reverse Proxy, should be less hassle (although it's probably wiser to expose these ports directly to docker-mailserver ).","title":"Quick Reference"},{"location":"config/security/understanding-the-ports/#overview-of-email-ports","text":"Protocol Explicit TLS 1 Implicit TLS Purpose SMTP 25 N/A Transfer 2 ESMTP 587 465 3 Submission POP3 110 995 Retrieval IMAP4 143 993 Retrieval A connection may be secured over TLS when both ends support STARTTLS . On ports 110, 143 and 587, docker-mailserver will reject a connection that cannot be secured. Port 25 is required to support insecure connections. Receives email, docker-mailserver additionally filters for spam and viruses. For submitting email to the server to be sent to third-parties, you should prefer the submission ports(465, 587) - which require authentication. Unless a relay host is configured(eg SendGrid), outgoing email will leave the server via port 25(thus outbound traffic must not be blocked by your provider or firewall). A submission port since 2018 ( RFC 8314 ). Previously a secure variant of port 25.","title":"Overview of Email Ports"},{"location":"config/security/understanding-the-ports/#what-ports-should-i-use-smtp","text":"Flowchart - Mermaid.js source: View in the Live Editor . flowchart LR subgraph your-server [\"Your Server\"] in_25(25) --> server in_465(465) --> server server((\"docker-mailserver<br/>hello@world.com\")) server --- out_25(25) server --- out_465(465) end third-party(\"Third-party<br/>(sending you email)\") ---|\"Receive email for<br/>hello@world.com\"| in_25 subgraph clients [\"Clients (MUA)\"] mua-client(Thunderbird,<br/>Webmail,<br/>Mutt,<br/>etc) mua-service(Backend software<br/>on another server) end clients ---|\"Send email as<br/>hello@world.com\"| in_465 out_25(25) -->|\"Direct<br/>Delivery\"| tin_25 out_465(465) --> relay(\"MTA<br/>Relay Server\") --> tin_25(25) subgraph third-party-server[\"Third-party Server\"] third-party-mta(\"MTA<br/>friend@example.com\") tin_25(25) --> third-party-mta end","title":"What Ports Should I Use? (SMTP)"},{"location":"config/security/understanding-the-ports/#inbound-traffic-on-the-left","text":"Port 25: Think of this like a physical mailbox, it is open to receive email from anyone who wants to. docker-mailserver will actively filter email delivered on this port for spam or viruses and refuse mail from known bad sources. While you could also use this port internally to send email outbound without requiring authentication, you really should prefer the Submission ports(587, 465). Port 465( and 587 ): This is the equivalent of a post office box where you would send email to be delivered on your behalf( docker-mailserver is that metaphorical post office, aka the MTA). Unlike port 25, these two ports are known as the Submission ports and require a valid email account on the server with a password to be able to send email to anyone outside of the server(an MTA you do not control, eg Outlook or Gmail). Prefer port 465 which provides Implicit TLS.","title":"Inbound Traffic (On the left)"},{"location":"config/security/understanding-the-ports/#outbound-traffic-on-the-right","text":"Port 25: Send the email directly to the given email address MTA as possible. Like your own docker-mailserver port 25, this is the standard port for receiving email on, thus email will almost always arrive to the final MTA on this port. Note that, there may be additional MTAs further in the chain, but this would be the public facing one representing that email address. Port 465( and 587 ): SMTP Relays are a popular choice to hand-off delivery of email through. Services like SendGrid are useful for bulk email(marketing) or when your webhost or ISP are preventing you from using standard ports like port 25 to send out email(which can be abused by spammers). docker-mailserver can serve as a relay too, but the difference between a DIY relay and a professional service is reputation, which is referenced by MTAs you're delivering to such as Outlook, Gmail or others(perhaps another docker-mailserver server!), when deciding if email should be marked as junked or potentially not delivered at all. As a service like SendGrid has a reputation to maintain, relay is restricted to registered users who must authenticate(even on port 25), they do not store email, merely forward it to another MTA which could be delivered on a different port like 25.","title":"Outbound Traffic (On the Right)"},{"location":"config/security/understanding-the-ports/#explicit-vs-implicit-tls","text":"","title":"Explicit vs Implicit TLS"},{"location":"config/security/understanding-the-ports/#explicit-tls-aka-opportunistic-tls-opt-in-encryption","text":"Communication on these ports begin in cleartext , indicating support for STARTTLS . If both client and server support STARTTLS the connection will be secured over TLS, otherwise no encryption will be used. Support for STARTTLS is not always implemented correctly, which can lead to leaking credentials(client sending too early) prior to a TLS connection being established. Third-parties such as some ISPs have also been known to intercept the STARTTLS exchange, modifying network traffic to prevent establishing a secure connection. Due to these security concerns, RFC 8314 (Section 4.1) encourages you to prefer Implicit TLS ports where possible .","title":"Explicit TLS (aka Opportunistic TLS) - Opt-in Encryption"},{"location":"config/security/understanding-the-ports/#implicit-tls-enforced-encryption","text":"Communication is always encrypted, avoiding the above mentioned issues with Explicit TLS. You may know of these ports as SMTPS, POP3S, IMAPS , which indicate the protocol in combination with a TLS connection. However, Explicit TLS ports provide the same benefit when STARTTLS is successfully negotiated; Implicit TLS better communicates the improved security to all three protocols (SMTP/POP3/IMAP over Implicit TLS). Additionally, referring to port 465 as SMTPS would be incorrect, as it is a submissions port requiring authentication to proceed via ESMTP , whereas ESMTPS has a different meaning(STARTTLS supported). Port 25 may lack Implicit TLS, but can be configured to be more secure between trusted parties via MTA-STS, STARTTLS Policy List, DNSSEC and DANE.","title":"Implicit TLS - Enforced Encryption"},{"location":"config/security/understanding-the-ports/#security","text":"Todo This section should provide any related configuration advice, and probably expand on and link to resources about DANE, DNSSEC, MTA-STS and STARTTLS Policy list, with advice on how to configure/setup these added security layers. Todo A related section or page on ciphers used may be useful, although less important for users to be concerned about.","title":"Security"},{"location":"config/security/understanding-the-ports/#tls-connections-on-mail-servers-compared-to-web-browsers","text":"Unlike with HTTP where a web browser client communicates directly with the server providing a website, a secure TLS connection as discussed below is not the equivalent safety that HTTPS provides when the transit of email (receiving or sending) is sent through third-parties, as the secure connection is only between two machines, any additional machines (MTAs) between the MUA and the MDA depends on them establishing secure connections between one another successfully. Other machines that facilitate a connection that generally aren't taken into account can exist between a client and server, such as those where your connection passes through your ISP provider are capable of compromising a cleartext connection through interception.","title":"TLS connections on mail servers, compared to web browsers"},{"location":"config/troubleshooting/debugging/","text":"Contributions Welcome! Please contribute your solutions to help the community Enable Verbose Debugging Output You may find it useful to enable the DMS_DEBUG environment variable. Invalid Username or Password Shell into the container: docker exec -it <my-container> bash Check log files in /var/log/mail could not find any mention of incorrect logins here neither in the dovecot logs. Check the supervisors logs in /var/log/supervisor . You can find the logs for startup of fetchmail, postfix and others here - they might indicate problems during startup. Make sure you set your hostname to mail or whatever you specified in your docker-compose.yml file or else your FQDN will be wrong. Installation Errors During setup, if you get errors trying to edit files inside of the container, you likely need to install vi : sudo su docker exec -it <my-container> apt-get install -y vim Testing Connection I spent HOURS trying to debug \"Connection Refused\" and \"Connection closed by foreign host\" errors when trying to use telnet to troubleshoot my connection. I was also trying to connect from my email client (macOS mail) around the same time. Telnet had also worked earlier, so I was extremely confused as to why it suddenly stopped working. I stumbled upon fail2ban.log in my container. In short, when trying to get my macOS client working, I exceeded the number of failed login attempts and fail2ban put dovecot and postfix in jail! I got around it by whitelisting my ipaddresses (my ec2 instance and my local computer) sudo su docker exec -ti mail bash cd /var/log cat fail2ban.log | grep dovecot # Whitelist IP addresses: fail2ban-client set dovecot addignoreip <server ip> # Server fail2ban-client set postfix addignoreip <server ip> fail2ban-client set dovecot addignoreip <client ip> # Client fail2ban-client set postfix addignoreip <client ip> # This will delete the jails entirely - nuclear option fail2ban-client stop dovecot fail2ban-client stop postfix Sent email is never received Some hosting provides have a stealth block on port 25. Make sure to check with your hosting provider that traffic on port 25 is allowed Common hosting providers known to have this issue: - Azure - AWS EC2","title":"Debugging"},{"location":"config/troubleshooting/debugging/#enable-verbose-debugging-output","text":"You may find it useful to enable the DMS_DEBUG environment variable.","title":"Enable Verbose Debugging Output"},{"location":"config/troubleshooting/debugging/#invalid-username-or-password","text":"Shell into the container: docker exec -it <my-container> bash Check log files in /var/log/mail could not find any mention of incorrect logins here neither in the dovecot logs. Check the supervisors logs in /var/log/supervisor . You can find the logs for startup of fetchmail, postfix and others here - they might indicate problems during startup. Make sure you set your hostname to mail or whatever you specified in your docker-compose.yml file or else your FQDN will be wrong.","title":"Invalid Username or Password"},{"location":"config/troubleshooting/debugging/#installation-errors","text":"During setup, if you get errors trying to edit files inside of the container, you likely need to install vi : sudo su docker exec -it <my-container> apt-get install -y vim","title":"Installation Errors"},{"location":"config/troubleshooting/debugging/#testing-connection","text":"I spent HOURS trying to debug \"Connection Refused\" and \"Connection closed by foreign host\" errors when trying to use telnet to troubleshoot my connection. I was also trying to connect from my email client (macOS mail) around the same time. Telnet had also worked earlier, so I was extremely confused as to why it suddenly stopped working. I stumbled upon fail2ban.log in my container. In short, when trying to get my macOS client working, I exceeded the number of failed login attempts and fail2ban put dovecot and postfix in jail! I got around it by whitelisting my ipaddresses (my ec2 instance and my local computer) sudo su docker exec -ti mail bash cd /var/log cat fail2ban.log | grep dovecot # Whitelist IP addresses: fail2ban-client set dovecot addignoreip <server ip> # Server fail2ban-client set postfix addignoreip <server ip> fail2ban-client set dovecot addignoreip <client ip> # Client fail2ban-client set postfix addignoreip <client ip> # This will delete the jails entirely - nuclear option fail2ban-client stop dovecot fail2ban-client stop postfix","title":"Testing Connection"},{"location":"config/troubleshooting/debugging/#sent-email-is-never-received","text":"Some hosting provides have a stealth block on port 25. Make sure to check with your hosting provider that traffic on port 25 is allowed Common hosting providers known to have this issue: - Azure - AWS EC2","title":"Sent email is never received"},{"location":"config/user-management/accounts/","text":"Adding a New Account Users (email accounts) are managed in /tmp/docker-mailserver/postfix-accounts.cf . The best way to manage accounts is to use the reliable setup.sh script . Or you may directly add the full email address and its encrypted password, separated by a pipe: user1@domain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 user2@otherdomain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 In the example above, we've added 2 mail accounts for 2 different domains. Consequently, the mail server will automatically be configured for multi-domains. Therefore, to generate a new mail account data, directly from your docker host, you could for example run the following: docker run --rm \\ -e MAIL_USER = user1@domain.tld \\ -e MAIL_PASS = mypassword \\ -it mailserver/docker-mailserver:latest \\ /bin/sh -c 'echo \"$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)\"' >> config/postfix-accounts.cf You will then be asked for a password, and be given back the data for a new account entry, as text. To actually add this new account, just copy all the output text in config/postfix-accounts.cf file of your running container. Note doveadm pw command lets you choose between several encryption schemes for the password. Use doveadm pw -l to get a list of the currently supported encryption schemes. Note Changes to the accounts list require a restart of the container, using supervisord . See #552 . Notes imap-quota is enabled and allow clients to query their mailbox usage. When the mailbox is deleted, the quota directive is deleted as well. Dovecot quotas support LDAP, but it's not implemented ( PR are welcome! ).","title":"Accounts"},{"location":"config/user-management/accounts/#adding-a-new-account","text":"Users (email accounts) are managed in /tmp/docker-mailserver/postfix-accounts.cf . The best way to manage accounts is to use the reliable setup.sh script . Or you may directly add the full email address and its encrypted password, separated by a pipe: user1@domain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 user2@otherdomain.tld|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1 In the example above, we've added 2 mail accounts for 2 different domains. Consequently, the mail server will automatically be configured for multi-domains. Therefore, to generate a new mail account data, directly from your docker host, you could for example run the following: docker run --rm \\ -e MAIL_USER = user1@domain.tld \\ -e MAIL_PASS = mypassword \\ -it mailserver/docker-mailserver:latest \\ /bin/sh -c 'echo \"$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)\"' >> config/postfix-accounts.cf You will then be asked for a password, and be given back the data for a new account entry, as text. To actually add this new account, just copy all the output text in config/postfix-accounts.cf file of your running container. Note doveadm pw command lets you choose between several encryption schemes for the password. Use doveadm pw -l to get a list of the currently supported encryption schemes. Note Changes to the accounts list require a restart of the container, using supervisord . See #552 .","title":"Adding a New Account"},{"location":"config/user-management/accounts/#notes","text":"imap-quota is enabled and allow clients to query their mailbox usage. When the mailbox is deleted, the quota directive is deleted as well. Dovecot quotas support LDAP, but it's not implemented ( PR are welcome! ).","title":"Notes"},{"location":"config/user-management/aliases/","text":"Please read the Postfix documentation on virtual aliases first. You can use setup.sh instead of creating and editing files manually. Aliases are managed in /tmp/docker-mailserver/postfix-virtual.cf . An alias is a full email address that will either be: delivered to an existing account registered in /tmp/docker-mailserver/postfix-accounts.cf redirected to one or more other email addresses Alias and target are space separated. An example on a server with domain.tld as its domain: # Alias delivered to an existing account alias1@domain.tld user1@domain.tld # Alias forwarded to an external email address alias2@domain.tld external@gmail.com Configuring RegExp Aliases Additional regexp aliases can be configured by placing them into config/postfix-regexp.cf . The regexp aliases get evaluated after the virtual aliases ( /tmp/docker-mailserver/postfix-virtual.cf ). For example, the following config/postfix-regexp.cf causes all email to \"test\" users to be delivered to qa@example.com : /^test[0-9][0-9]*@example.com/ qa@example.com Address Tags (Extension Delimiters) an Alternative to Aliases Postfix supports so-called address tags, in the form of plus (+) tags - i.e. address+tag@example.com will end up at address@example.com . This is configured by default and the (configurable !) separator is set to + . For more info, see How to use Address Tagging ( user+tag@example.com ) with Postfix and the official documentation . Note If you do decide to change the configurable separator, you must add the same line to both config/postfix-main.cf and config/dovecot.cf , because Dovecot is acting as the delivery agent. For example, to switch to - , add: recipient_delimiter = -","title":"Aliases"},{"location":"config/user-management/aliases/#configuring-regexp-aliases","text":"Additional regexp aliases can be configured by placing them into config/postfix-regexp.cf . The regexp aliases get evaluated after the virtual aliases ( /tmp/docker-mailserver/postfix-virtual.cf ). For example, the following config/postfix-regexp.cf causes all email to \"test\" users to be delivered to qa@example.com : /^test[0-9][0-9]*@example.com/ qa@example.com","title":"Configuring RegExp Aliases"},{"location":"config/user-management/aliases/#address-tags-extension-delimiters-an-alternative-to-aliases","text":"Postfix supports so-called address tags, in the form of plus (+) tags - i.e. address+tag@example.com will end up at address@example.com . This is configured by default and the (configurable !) separator is set to + . For more info, see How to use Address Tagging ( user+tag@example.com ) with Postfix and the official documentation . Note If you do decide to change the configurable separator, you must add the same line to both config/postfix-main.cf and config/dovecot.cf , because Dovecot is acting as the delivery agent. For example, to switch to - , add: recipient_delimiter = -","title":"Address Tags (Extension Delimiters) an Alternative to Aliases"},{"location":"contributing/coding-style/","text":"Bash and Shell When refactoring, writing or altering scripts, that is Shell and bash scripts, in any way, adhere to these rules: Adjust your style of coding to the style that is already present ! Even if you do not like it, this is due to consistency. There was a lot of work involved in making all scripts consistent. Use shellcheck to check your scripts ! Your contributions are checked by GitHub Actions too, so you will need to do this. You can lint your work with make lint to check against all targets. Use the provided .editorconfig file. Use /bin/bash instead of /bin/sh . Adjust the style accordingly. setup.sh provides a good starting point to look for. When appropriate, use the set builtin. We recommend set -euEo pipefail or set -uE . Styling rules If-Else-Statements # when using braces, use double braces # remember you do not need \"\" when using [[ ]] if [[ <CONDITION1> ]] && [[ -f ${ FILE } ]] then <CODE TO RUN> # when running commands, you don't need braces elif <COMMAND TO RUN> <CODE TO TUN> else <CODE TO TUN> fi # equality checks with numbers are done # with -eq/-ne/-lt/-ge, not != or == if [[ ${ VAR } -ne 42 ]] || [[ ${ SOME_VAR } -eq 6 ]] then <CODE TO RUN> fi Variables & Braces Attention Variables are always uppercase. We always use braces. If you forgot this and want to change it later, you can use this link . The used regex is \\$([^{(\"\\\\'\\/])([a-zA-Z0-9_]*)([^}\\/ \\t'\"\\n.\\]:(=\\\\-]*) , where you should in practice be able to replace all variable occurrences without braces with occurrences with braces. # good local VAR = \"good\" local NEW = \" ${ VAR } \" # bad -> TravisCI will fail var = \"bad\" new = $var Loops Like if-else , loops look like this for / while <LOOP CONDITION> do <CODE TO RUN> done Functions It's always nice to see the use of functions as it also provides a clear structure. If scripts are small, this is unnecessary, but if they become larger, please consider using functions. When doing so, provide function _main . function _<name_underscored_and_lowercase> { <CODE TO RUN> # variables that can be local should be local local <LOCAL_VARIABLE_NAME> } Error Tracing A construct to trace error in your scripts looks like this. Remember: Remove set -x in the end. This is for debugging purposes only. set -xeuEo pipefail trap '__log_err ${FUNCNAME[0]:-\"?\"} ${BASH_COMMAND:-\"?\"} ${LINENO:-\"?\"} ${?:-\"?\"}' ERR SCRIPT = 'name_of_this_script.sh' function __log_err { printf \"\\n\u2013\u2013\u2013 \\e[1m\\e[31mUNCHECKED ERROR\\e[0m\\n%s\\n%s\\n%s\\n%s\\n\\n\" \\ \" \u2013 script = ${ SCRIPT :- ${ 0 }} \" \\ \" \u2013 function = ${ 1 } / ${ 2 } \" \\ \" \u2013 line = ${ 3 } \" \\ \" \u2013 exit code = ${ 4 } \" 1 > & 2 <CODE TO RUN AFTERWARDS> } Comments, Descriptiveness & An Example Comments should only describe non-obvious matters. Comments should start lowercase when they aren't sentences. Make the code self-descriptive by using meaningful names! Make comments not longer than approximately 80 columns, then wrap the line. A positive example, which is taken from start-mailserver.sh , would be function _setup_postfix_aliases { _notify 'task' 'Setting up Postfix Aliases' : >/etc/postfix/virtual : >/etc/postfix/regexp if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]] then # fixing old virtual user file if grep -q \", $ \" /tmp/docker-mailserver/postfix-virtual.cf then sed -i -e \"s/, /,/g\" -e \"s/, $ //g\" /tmp/docker-mailserver/postfix-virtual.cf fi cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual # the `to` is important, don't delete it # shellcheck disable=SC2034 while read -r FROM TO do # Setting variables for better readability UNAME = $( echo \" ${ FROM } \" | cut -d @ -f1 ) DOMAIN = $( echo \" ${ FROM } \" | cut -d @ -f2 ) # if they are equal it means the line looks like: \"user1 other@domain.tld\" [[ \" ${ UNAME } \" ! = \" ${ DOMAIN } \" ]] && echo \" ${ DOMAIN } \" >> /tmp/vhost.tmp done < < ( grep -v \"^\\s* $ \\|^\\s*\\#\" /tmp/docker-mailserver/postfix-virtual.cf || true ) else _notify 'inf' \"Warning 'config/postfix-virtual.cf' is not provided. No mail alias/forward created.\" fi ... } YAML When formatting YAML files, use Prettier , an opinionated formatter. There are many plugins for IDEs around.","title":"Coding Style"},{"location":"contributing/coding-style/#bash-and-shell","text":"When refactoring, writing or altering scripts, that is Shell and bash scripts, in any way, adhere to these rules: Adjust your style of coding to the style that is already present ! Even if you do not like it, this is due to consistency. There was a lot of work involved in making all scripts consistent. Use shellcheck to check your scripts ! Your contributions are checked by GitHub Actions too, so you will need to do this. You can lint your work with make lint to check against all targets. Use the provided .editorconfig file. Use /bin/bash instead of /bin/sh . Adjust the style accordingly. setup.sh provides a good starting point to look for. When appropriate, use the set builtin. We recommend set -euEo pipefail or set -uE .","title":"Bash and Shell"},{"location":"contributing/coding-style/#styling-rules","text":"","title":"Styling rules"},{"location":"contributing/coding-style/#if-else-statements","text":"# when using braces, use double braces # remember you do not need \"\" when using [[ ]] if [[ <CONDITION1> ]] && [[ -f ${ FILE } ]] then <CODE TO RUN> # when running commands, you don't need braces elif <COMMAND TO RUN> <CODE TO TUN> else <CODE TO TUN> fi # equality checks with numbers are done # with -eq/-ne/-lt/-ge, not != or == if [[ ${ VAR } -ne 42 ]] || [[ ${ SOME_VAR } -eq 6 ]] then <CODE TO RUN> fi","title":"If-Else-Statements"},{"location":"contributing/coding-style/#variables-braces","text":"Attention Variables are always uppercase. We always use braces. If you forgot this and want to change it later, you can use this link . The used regex is \\$([^{(\"\\\\'\\/])([a-zA-Z0-9_]*)([^}\\/ \\t'\"\\n.\\]:(=\\\\-]*) , where you should in practice be able to replace all variable occurrences without braces with occurrences with braces. # good local VAR = \"good\" local NEW = \" ${ VAR } \" # bad -> TravisCI will fail var = \"bad\" new = $var","title":"Variables &amp; Braces"},{"location":"contributing/coding-style/#loops","text":"Like if-else , loops look like this for / while <LOOP CONDITION> do <CODE TO RUN> done","title":"Loops"},{"location":"contributing/coding-style/#functions","text":"It's always nice to see the use of functions as it also provides a clear structure. If scripts are small, this is unnecessary, but if they become larger, please consider using functions. When doing so, provide function _main . function _<name_underscored_and_lowercase> { <CODE TO RUN> # variables that can be local should be local local <LOCAL_VARIABLE_NAME> }","title":"Functions"},{"location":"contributing/coding-style/#error-tracing","text":"A construct to trace error in your scripts looks like this. Remember: Remove set -x in the end. This is for debugging purposes only. set -xeuEo pipefail trap '__log_err ${FUNCNAME[0]:-\"?\"} ${BASH_COMMAND:-\"?\"} ${LINENO:-\"?\"} ${?:-\"?\"}' ERR SCRIPT = 'name_of_this_script.sh' function __log_err { printf \"\\n\u2013\u2013\u2013 \\e[1m\\e[31mUNCHECKED ERROR\\e[0m\\n%s\\n%s\\n%s\\n%s\\n\\n\" \\ \" \u2013 script = ${ SCRIPT :- ${ 0 }} \" \\ \" \u2013 function = ${ 1 } / ${ 2 } \" \\ \" \u2013 line = ${ 3 } \" \\ \" \u2013 exit code = ${ 4 } \" 1 > & 2 <CODE TO RUN AFTERWARDS> }","title":"Error Tracing"},{"location":"contributing/coding-style/#comments-descriptiveness-an-example","text":"Comments should only describe non-obvious matters. Comments should start lowercase when they aren't sentences. Make the code self-descriptive by using meaningful names! Make comments not longer than approximately 80 columns, then wrap the line. A positive example, which is taken from start-mailserver.sh , would be function _setup_postfix_aliases { _notify 'task' 'Setting up Postfix Aliases' : >/etc/postfix/virtual : >/etc/postfix/regexp if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]] then # fixing old virtual user file if grep -q \", $ \" /tmp/docker-mailserver/postfix-virtual.cf then sed -i -e \"s/, /,/g\" -e \"s/, $ //g\" /tmp/docker-mailserver/postfix-virtual.cf fi cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual # the `to` is important, don't delete it # shellcheck disable=SC2034 while read -r FROM TO do # Setting variables for better readability UNAME = $( echo \" ${ FROM } \" | cut -d @ -f1 ) DOMAIN = $( echo \" ${ FROM } \" | cut -d @ -f2 ) # if they are equal it means the line looks like: \"user1 other@domain.tld\" [[ \" ${ UNAME } \" ! = \" ${ DOMAIN } \" ]] && echo \" ${ DOMAIN } \" >> /tmp/vhost.tmp done < < ( grep -v \"^\\s* $ \\|^\\s*\\#\" /tmp/docker-mailserver/postfix-virtual.cf || true ) else _notify 'inf' \"Warning 'config/postfix-virtual.cf' is not provided. No mail alias/forward created.\" fi ... }","title":"Comments, Descriptiveness &amp; An Example"},{"location":"contributing/coding-style/#yaml","text":"When formatting YAML files, use Prettier , an opinionated formatter. There are many plugins for IDEs around.","title":"YAML"},{"location":"contributing/documentation/","text":"Todo This section should provide a detailed step by step guide on how to contribute to documentation","title":"Documentation"},{"location":"contributing/issues-and-pull-requests/","text":"This project is Open Source. That means that you can contribute on enhancements, bug fixing or improving the documentation. Opening an Issue Attention Before opening an issue , read the README carefully, study the documentation , the Postfix/Dovecot documentation and your search engine you trust. The issue tracker is not meant to be used for unrelated questions! When opening an issue, please provide details use case to let the community reproduce your problem. Please start the mail server with env DMS_DEBUG=1 and paste the output into the issue. Attention Use the issue templates to provide the necessary information. Issues which do not use these templates are not worked on and closed. By raising issues, I agree to these terms and I understand, that the rules set for the issue tracker will help both maintainers as well as everyone to find a solution. Maintainers take the time to improve on this project and help by solving issues together. It is therefore expected from others to make an effort and comply with the rules . Pull Requests Submit a Pull-Request Motivation You want to add a feature? Feel free to start creating an issue explaining what you want to do and how you're thinking doing it. Other users may have the same need and collaboration may lead to better results. The development workflow is the following: Fork the project and clone your fork Create a new branch to work on Run git submodule update --init --recursive Write the code that is needed :D Add integration tests if necessary Get the linters with make install_linters and install jq with the package manager of your OS Use make clean all to build image locally and run tests (note that tests work on Linux only ) Document your improvements if necessary (e.g. if you introduced new environment variables, write the description in ENVIRONMENT.md ) Commit and sign your commit , push and create a pull-request to merge into master . Please use the pull-request template to provide a minimum of contextual information and make sure to meet the requirements of the checklist. Pull requests are automatically tested against the CI and will be reviewed when tests pass When your changes are validated, your branch is merged CI builds the new :edge image immediately and your changes will be includes in the next version release.","title":"Issues and Pull Requests"},{"location":"contributing/issues-and-pull-requests/#opening-an-issue","text":"Attention Before opening an issue , read the README carefully, study the documentation , the Postfix/Dovecot documentation and your search engine you trust. The issue tracker is not meant to be used for unrelated questions! When opening an issue, please provide details use case to let the community reproduce your problem. Please start the mail server with env DMS_DEBUG=1 and paste the output into the issue. Attention Use the issue templates to provide the necessary information. Issues which do not use these templates are not worked on and closed. By raising issues, I agree to these terms and I understand, that the rules set for the issue tracker will help both maintainers as well as everyone to find a solution. Maintainers take the time to improve on this project and help by solving issues together. It is therefore expected from others to make an effort and comply with the rules .","title":"Opening an Issue"},{"location":"contributing/issues-and-pull-requests/#pull-requests","text":"","title":"Pull Requests"},{"location":"contributing/issues-and-pull-requests/#submit-a-pull-request","text":"Motivation You want to add a feature? Feel free to start creating an issue explaining what you want to do and how you're thinking doing it. Other users may have the same need and collaboration may lead to better results. The development workflow is the following: Fork the project and clone your fork Create a new branch to work on Run git submodule update --init --recursive Write the code that is needed :D Add integration tests if necessary Get the linters with make install_linters and install jq with the package manager of your OS Use make clean all to build image locally and run tests (note that tests work on Linux only ) Document your improvements if necessary (e.g. if you introduced new environment variables, write the description in ENVIRONMENT.md ) Commit and sign your commit , push and create a pull-request to merge into master . Please use the pull-request template to provide a minimum of contextual information and make sure to meet the requirements of the checklist. Pull requests are automatically tested against the CI and will be reviewed when tests pass When your changes are validated, your branch is merged CI builds the new :edge image immediately and your changes will be includes in the next version release.","title":"Submit a Pull-Request"},{"location":"contributing/tests/","text":"Todo This section should provide a detailed step by step guide on how to write tests","title":"Tests"},{"location":"examples/tutorials/basic-installation/","text":"Building a Simple Mailserver Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . We are going to use this docker based mailserver: First create a directory for the mailserver and get the setup script: mkdir -p /var/ds/mail.example.org cd /var/ds/mail.example.org/ curl -o setup.sh \\ https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Create the file docker-compose.yml with a content like this: Example version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : example.org container_name : mail ports : - \"25:25\" - \"587:587\" - \"465:465\" volumes : - ./data/:/var/mail/ - ./state/:/var/mail-state/ - ./config/:/tmp/docker-mailserver/ - /var/ds/wsproxy/letsencrypt/:/etc/letsencrypt/ environment : - PERMIT_DOCKER=network - SSL_TYPE=letsencrypt - ONE_DIR=1 - DMS_DEBUG=1 - SPOOF_PROTECTION=0 - REPORT_RECIPIENT=1 - ENABLE_SPAMASSASSIN=0 - ENABLE_CLAMAV=0 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=0 cap_add : - NET_ADMIN - SYS_PTRACE For more details about the environment variables that can be used, and their meaning and possible values, check also these: Environtment Variables mailserver.env file Make sure to set the proper domainname that you will use for the emails. We forward only SMTP ports (not POP3 and IMAP) because we are not interested in accessing the mailserver directly (from a client). We also use these settings: PERMIT_DOCKER=network because we want to send emails from other docker containers. SSL_TYPE=letsencrypt because we will manage SSL certificates with letsencrypt. We need to open ports 25 , 587 and 465 on the firewall: ufw allow 25 ufw allow 587 ufw allow 465 On your server you may have to do it differently. Pull the docker image: docker pull mailserver/docker-mailserver:latest Now generate the DKIM keys with ./setup.sh config dkim and copy the content of the file config/opendkim/keys/domain.tld/mail.txt on the domain zone configuration at the DNS server. I use bind9 for managing my domains, so I just paste it on example.org.db : mail._domainkey IN TXT ( \"v=DKIM1; h=sha256; k=rsa; \" \"p=MIIBIjANBgkqhkiG9w0BAQEFACAQ8AMIIBCgKCAQEAaH5KuPYPSF3Ppkt466BDMAFGOA4mgqn4oPjZ5BbFlYA9l5jU3bgzRj3l6/Q1n5a9lQs5fNZ7A/HtY0aMvs3nGE4oi+LTejt1jblMhV/OfJyRCunQBIGp0s8G9kIUBzyKJpDayk2+KJSJt/lxL9Iiy0DE5hIv62ZPP6AaTdHBAsJosLFeAzuLFHQ6USyQRojefqFQtgYqWQ2JiZQ3\" \"iqq3bD/BVlwKRp5gH6TEYEmx8EBJUuDxrJhkWRUk2VDl1fqhVBy8A9O7Ah+85nMrlOHIFsTaYo9o6+cDJ6t1i6G1gu+bZD0d3/3bqGLPBQV9LyEL1Rona5V7TJBGg099NQkTz1IwIDAQAB\" ) ; ----- DKIM key mail for example.org Add these configurations as well on the same file on the DNS server: mail IN A 10.11.12.13 ; mailservers for example.org 3600 IN MX 1 mail.example.org. ; Add SPF record IN TXT \"v=spf1 mx ~all\" Then don't forget to change the serial number and to restart the service. Get an SSL certificate from letsencrypt. I use wsproxy for managing SSL letsencrypt certificates of my domains: cd /var/ds/wsproxy ds domains-add mail mail.example.org ds get-ssl-cert myemail@gmail.com mail.example.org --test ds get-ssl-cert myemail@gmail.com mail.example.org Now the certificates will be available on /var/ds/wsproxy/letsencrypt/live/mail.example.org . Start the mailserver and check for any errors: apt install docker-compose docker-compose up mail Create email accounts and aliases with SPOOF_PROTECTION=0 : ./setup.sh email add admin@example.org passwd123 ./setup.sh email add info@example.org passwd123 ./setup.sh alias add admin@example.org myemail@gmail.com ./setup.sh alias add info@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list Aliases make sure that any email that comes to these accounts is forwarded to my real email address, so that I don't need to use POP3/IMAP in order to get these messages. Also no anti-spam and anti-virus software is needed, making the mailserver lighter. Or create email accounts and aliases with SPOOF_PROTECTION=1 : ./setup.sh email add admin.gmail@example.org passwd123 ./setup.sh email add info.gmail@example.org passwd123 ./setup.sh alias add admin@example.org admin.gmail@example.org ./setup.sh alias add info@example.org info.gmail@example.org ./setup.sh alias add admin.gmail@example.org myemail@gmail.com ./setup.sh alias add info.gmail@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list This extra step is required to avoid the 553 5.7.1 Sender address rejected: not owned by user error (the account used for setting up gmail is admin.gmail@example.org and info.gmail@example.org ) Send some test emails to these addresses and make other tests. Then stop the container with ctrl+c and start it again as a daemon: docker-compose up -d mail . Now save on Moodle configuration the SMTP settings and test by trying to send some messages to other users: SMTP hosts : mail.example.org:465 SMTP security : SSL SMTP username : info@example.org SMTP password : passwd123","title":"Basic Installation"},{"location":"examples/tutorials/basic-installation/#building-a-simple-mailserver","text":"Warning Adding the docker network's gateway to the list of trusted hosts, e.g. using the network or connected-networks option, can create an open relay , for instance if IPv6 is enabled on the host machine but not in Docker . We are going to use this docker based mailserver: First create a directory for the mailserver and get the setup script: mkdir -p /var/ds/mail.example.org cd /var/ds/mail.example.org/ curl -o setup.sh \\ https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh chmod a+x ./setup.sh Create the file docker-compose.yml with a content like this: Example version : '2' services : mail : image : mailserver/docker-mailserver:latest hostname : mail domainname : example.org container_name : mail ports : - \"25:25\" - \"587:587\" - \"465:465\" volumes : - ./data/:/var/mail/ - ./state/:/var/mail-state/ - ./config/:/tmp/docker-mailserver/ - /var/ds/wsproxy/letsencrypt/:/etc/letsencrypt/ environment : - PERMIT_DOCKER=network - SSL_TYPE=letsencrypt - ONE_DIR=1 - DMS_DEBUG=1 - SPOOF_PROTECTION=0 - REPORT_RECIPIENT=1 - ENABLE_SPAMASSASSIN=0 - ENABLE_CLAMAV=0 - ENABLE_FAIL2BAN=1 - ENABLE_POSTGREY=0 cap_add : - NET_ADMIN - SYS_PTRACE For more details about the environment variables that can be used, and their meaning and possible values, check also these: Environtment Variables mailserver.env file Make sure to set the proper domainname that you will use for the emails. We forward only SMTP ports (not POP3 and IMAP) because we are not interested in accessing the mailserver directly (from a client). We also use these settings: PERMIT_DOCKER=network because we want to send emails from other docker containers. SSL_TYPE=letsencrypt because we will manage SSL certificates with letsencrypt. We need to open ports 25 , 587 and 465 on the firewall: ufw allow 25 ufw allow 587 ufw allow 465 On your server you may have to do it differently. Pull the docker image: docker pull mailserver/docker-mailserver:latest Now generate the DKIM keys with ./setup.sh config dkim and copy the content of the file config/opendkim/keys/domain.tld/mail.txt on the domain zone configuration at the DNS server. I use bind9 for managing my domains, so I just paste it on example.org.db : mail._domainkey IN TXT ( \"v=DKIM1; h=sha256; k=rsa; \" \"p=MIIBIjANBgkqhkiG9w0BAQEFACAQ8AMIIBCgKCAQEAaH5KuPYPSF3Ppkt466BDMAFGOA4mgqn4oPjZ5BbFlYA9l5jU3bgzRj3l6/Q1n5a9lQs5fNZ7A/HtY0aMvs3nGE4oi+LTejt1jblMhV/OfJyRCunQBIGp0s8G9kIUBzyKJpDayk2+KJSJt/lxL9Iiy0DE5hIv62ZPP6AaTdHBAsJosLFeAzuLFHQ6USyQRojefqFQtgYqWQ2JiZQ3\" \"iqq3bD/BVlwKRp5gH6TEYEmx8EBJUuDxrJhkWRUk2VDl1fqhVBy8A9O7Ah+85nMrlOHIFsTaYo9o6+cDJ6t1i6G1gu+bZD0d3/3bqGLPBQV9LyEL1Rona5V7TJBGg099NQkTz1IwIDAQAB\" ) ; ----- DKIM key mail for example.org Add these configurations as well on the same file on the DNS server: mail IN A 10.11.12.13 ; mailservers for example.org 3600 IN MX 1 mail.example.org. ; Add SPF record IN TXT \"v=spf1 mx ~all\" Then don't forget to change the serial number and to restart the service. Get an SSL certificate from letsencrypt. I use wsproxy for managing SSL letsencrypt certificates of my domains: cd /var/ds/wsproxy ds domains-add mail mail.example.org ds get-ssl-cert myemail@gmail.com mail.example.org --test ds get-ssl-cert myemail@gmail.com mail.example.org Now the certificates will be available on /var/ds/wsproxy/letsencrypt/live/mail.example.org . Start the mailserver and check for any errors: apt install docker-compose docker-compose up mail Create email accounts and aliases with SPOOF_PROTECTION=0 : ./setup.sh email add admin@example.org passwd123 ./setup.sh email add info@example.org passwd123 ./setup.sh alias add admin@example.org myemail@gmail.com ./setup.sh alias add info@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list Aliases make sure that any email that comes to these accounts is forwarded to my real email address, so that I don't need to use POP3/IMAP in order to get these messages. Also no anti-spam and anti-virus software is needed, making the mailserver lighter. Or create email accounts and aliases with SPOOF_PROTECTION=1 : ./setup.sh email add admin.gmail@example.org passwd123 ./setup.sh email add info.gmail@example.org passwd123 ./setup.sh alias add admin@example.org admin.gmail@example.org ./setup.sh alias add info@example.org info.gmail@example.org ./setup.sh alias add admin.gmail@example.org myemail@gmail.com ./setup.sh alias add info.gmail@example.org myemail@gmail.com ./setup.sh email list ./setup.sh alias list This extra step is required to avoid the 553 5.7.1 Sender address rejected: not owned by user error (the account used for setting up gmail is admin.gmail@example.org and info.gmail@example.org ) Send some test emails to these addresses and make other tests. Then stop the container with ctrl+c and start it again as a daemon: docker-compose up -d mail . Now save on Moodle configuration the SMTP settings and test by trying to send some messages to other users: SMTP hosts : mail.example.org:465 SMTP security : SSL SMTP username : info@example.org SMTP password : passwd123","title":"Building a Simple Mailserver"},{"location":"examples/tutorials/mailserver-behind-proxy/","text":"Using docker-mailserver behind a Proxy Information If you are hiding your container behind a proxy service you might have discovered that the proxied requests from now on contain the proxy IP as the request origin. Whilst this behavior is technical correct it produces certain problems on the containers behind the proxy as they cannot distinguish the real origin of the requests anymore. To solve this problem on TCP connections we can make use of the proxy protocol . Compared to other workarounds that exist ( X-Forwarded-For which only works for HTTP requests or Tproxy that requires you to recompile your kernel) the proxy protocol: It is protocol agnostic (can work with any layer 7 protocols, even when encrypted). It does not require any infrastructure changes. NAT-ing firewalls have no impact it. It is scalable. There is only one condition: both endpoints of the connection MUST be compatible with proxy protocol. Luckily dovecot and postfix are both Proxy-Protocol ready softwares so it depends only on your used reverse-proxy / loadbalancer. Configuration of the used Proxy Software The configuration depends on the used proxy system. I will provide the configuration examples of traefik v2 using IMAP and SMTP with implicit TLS. Feel free to add your configuration if you achived the same goal using different proxy software below: Traefik v2 Truncated configuration of traefik itself: version : '3.7' services : reverse-proxy : image : traefik:v2.4 container_name : docker-traefik restart : always command : - \"--providers.docker\" - \"--providers.docker.exposedbydefault=false\" - \"--providers.docker.network=proxy\" - \"--entrypoints.web.address=:80\" - \"--entryPoints.websecure.address=:443\" - \"--entryPoints.smtp.address=:25\" - \"--entryPoints.smtp-ssl.address=:465\" - \"--entryPoints.imap-ssl.address=:993\" - \"--entryPoints.sieve.address=:4190\" ports : - \"25:25\" - \"465:465\" - \"993:993\" - \"4190:4190\" [ ... ] Truncated list of neccessary labels on the mailserver container: version : '2' services : mail : image : mailserver/docker-mailserver:release-v7.2.0 restart : always networks : - proxy labels : - \"traefik.enable=true\" - \"traefik.tcp.routers.smtp.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp.entrypoints=smtp\" - \"traefik.tcp.routers.smtp.service=smtp\" - \"traefik.tcp.services.smtp.loadbalancer.server.port=25\" - \"traefik.tcp.services.smtp.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.smtp-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp-ssl.entrypoints=smtp-ssl\" - \"traefik.tcp.routers.smtp-ssl.service=smtp-ssl\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.server.port=465\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.imap-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.imap-ssl.entrypoints=imap-ssl\" - \"traefik.tcp.routers.imap-ssl.service=imap-ssl\" - \"traefik.tcp.services.imap-ssl.loadbalancer.server.port=10993\" - \"traefik.tcp.services.imap-ssl.loadbalancer.proxyProtocol.version=2\" - \"traefik.tcp.routers.sieve.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.sieve.entrypoints=sieve\" - \"traefik.tcp.routers.sieve.service=sieve\" - \"traefik.tcp.services.sieve.loadbalancer.server.port=4190\" [ ... ] Keep in mind that it is neccessary to use port 10993 here. More information below at dovecot configuration. Configuration of the Backend ( dovecot and postfix ) The following changes can be achived completely by adding the content to the appropriate files by using the projects function to overwrite config files . Changes for postfix can be applied by adding the following content to config/postfix-main.cf : postscreen_upstream_proxy_protocol = haproxy and to config/postfix-master.cf : submission/inet/smtpd_upstream_proxy_protocol = haproxy smtps/inet/smtpd_upstream_proxy_protocol = haproxy Changes for dovecot can be applied by adding the following content to config/dovecot.cf : haproxy_trusted_networks = <your-proxy-ip>, <optional-cidr-notation> haproxy_timeout = 3 secs service imap-login { inet_listener imaps { haproxy = yes ssl = yes port = 10993 } } Note Port 10993 is used here to avoid conflicts with internal systems like postscreen and amavis as they will exchange messages on the default port and obviously have a different origin then compared to the proxy.","title":"Mailserver behind Proxy"},{"location":"examples/tutorials/mailserver-behind-proxy/#using-docker-mailserver-behind-a-proxy","text":"","title":"Using docker-mailserver behind a Proxy"},{"location":"examples/tutorials/mailserver-behind-proxy/#information","text":"If you are hiding your container behind a proxy service you might have discovered that the proxied requests from now on contain the proxy IP as the request origin. Whilst this behavior is technical correct it produces certain problems on the containers behind the proxy as they cannot distinguish the real origin of the requests anymore. To solve this problem on TCP connections we can make use of the proxy protocol . Compared to other workarounds that exist ( X-Forwarded-For which only works for HTTP requests or Tproxy that requires you to recompile your kernel) the proxy protocol: It is protocol agnostic (can work with any layer 7 protocols, even when encrypted). It does not require any infrastructure changes. NAT-ing firewalls have no impact it. It is scalable. There is only one condition: both endpoints of the connection MUST be compatible with proxy protocol. Luckily dovecot and postfix are both Proxy-Protocol ready softwares so it depends only on your used reverse-proxy / loadbalancer.","title":"Information"},{"location":"examples/tutorials/mailserver-behind-proxy/#configuration-of-the-used-proxy-software","text":"The configuration depends on the used proxy system. I will provide the configuration examples of traefik v2 using IMAP and SMTP with implicit TLS. Feel free to add your configuration if you achived the same goal using different proxy software below: Traefik v2 Truncated configuration of traefik itself: version : '3.7' services : reverse-proxy : image : traefik:v2.4 container_name : docker-traefik restart : always command : - \"--providers.docker\" - \"--providers.docker.exposedbydefault=false\" - \"--providers.docker.network=proxy\" - \"--entrypoints.web.address=:80\" - \"--entryPoints.websecure.address=:443\" - \"--entryPoints.smtp.address=:25\" - \"--entryPoints.smtp-ssl.address=:465\" - \"--entryPoints.imap-ssl.address=:993\" - \"--entryPoints.sieve.address=:4190\" ports : - \"25:25\" - \"465:465\" - \"993:993\" - \"4190:4190\" [ ... ] Truncated list of neccessary labels on the mailserver container: version : '2' services : mail : image : mailserver/docker-mailserver:release-v7.2.0 restart : always networks : - proxy labels : - \"traefik.enable=true\" - \"traefik.tcp.routers.smtp.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp.entrypoints=smtp\" - \"traefik.tcp.routers.smtp.service=smtp\" - \"traefik.tcp.services.smtp.loadbalancer.server.port=25\" - \"traefik.tcp.services.smtp.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.smtp-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.smtp-ssl.entrypoints=smtp-ssl\" - \"traefik.tcp.routers.smtp-ssl.service=smtp-ssl\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.server.port=465\" - \"traefik.tcp.services.smtp-ssl.loadbalancer.proxyProtocol.version=1\" - \"traefik.tcp.routers.imap-ssl.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.imap-ssl.entrypoints=imap-ssl\" - \"traefik.tcp.routers.imap-ssl.service=imap-ssl\" - \"traefik.tcp.services.imap-ssl.loadbalancer.server.port=10993\" - \"traefik.tcp.services.imap-ssl.loadbalancer.proxyProtocol.version=2\" - \"traefik.tcp.routers.sieve.rule=HostSNI(`*`)\" - \"traefik.tcp.routers.sieve.entrypoints=sieve\" - \"traefik.tcp.routers.sieve.service=sieve\" - \"traefik.tcp.services.sieve.loadbalancer.server.port=4190\" [ ... ] Keep in mind that it is neccessary to use port 10993 here. More information below at dovecot configuration.","title":"Configuration of the used Proxy Software"},{"location":"examples/tutorials/mailserver-behind-proxy/#configuration-of-the-backend-dovecot-and-postfix","text":"The following changes can be achived completely by adding the content to the appropriate files by using the projects function to overwrite config files . Changes for postfix can be applied by adding the following content to config/postfix-main.cf : postscreen_upstream_proxy_protocol = haproxy and to config/postfix-master.cf : submission/inet/smtpd_upstream_proxy_protocol = haproxy smtps/inet/smtpd_upstream_proxy_protocol = haproxy Changes for dovecot can be applied by adding the following content to config/dovecot.cf : haproxy_trusted_networks = <your-proxy-ip>, <optional-cidr-notation> haproxy_timeout = 3 secs service imap-login { inet_listener imaps { haproxy = yes ssl = yes port = 10993 } } Note Port 10993 is used here to avoid conflicts with internal systems like postscreen and amavis as they will exchange messages on the default port and obviously have a different origin then compared to the proxy.","title":"Configuration of the Backend (dovecot and postfix)"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/","text":"Building a Forward-Only Mailserver A forward-only mailserver does not have any local mailboxes. Instead, it has only aliases that forward emails to external email accounts (for example to a gmail account). You can also send email from the localhost (the computer where the mailserver is installed), using as sender any of the alias addresses. The important settings for this setup (on mailserver.env ) are these: PERMIT_DOCKER = host ENABLE_POP3 = ENABLE_CLAMAV = 0 SMTP_ONLY = 1 ENABLE_SPAMASSASSIN = 0 ENABLE_FETCHMAIL = 0 Since there are no local mailboxes, we use SMTP_ONLY=1 to disable dovecot . We disable as well the other services that are related to local mailboxes ( POP3 , ClamAV , SpamAssassin , etc.) We can create aliases with ./setup.sh , like this: ./setup.sh alias add <alias-address> <external-email-account> Authenticating with LDAP If you want to send emails from outside the mailserver you have to authenticate somehow (with a username and password). One way of doing it is described in this discussion . However if there are many user accounts, it is better to use authentication with LDAP. The settings for this on mailserver.env are: ENABLE_LDAP = 1 LDAP_START_TLS = yes LDAP_SERVER_HOST = ldap.example.org LDAP_SEARCH_BASE = ou=users,dc=example,dc=org LDAP_BIND_DN = cn=mailserver,dc=example,dc=org LDAP_BIND_PW = pass1234 ENABLE_SASLAUTHD = 1 SASLAUTHD_MECHANISMS = ldap SASLAUTHD_LDAP_SERVER = ldap.example.org SASLAUTHD_LDAP_SSL = 0 SASLAUTHD_LDAP_START_TLS = yes SASLAUTHD_LDAP_BIND_DN = cn=mailserver,dc=example,dc=org SASLAUTHD_LDAP_PASSWORD = pass1234 SASLAUTHD_LDAP_SEARCH_BASE = ou=users,dc=example,dc=org SASLAUTHD_LDAP_FILTER = (&(uid=%U)(objectClass=inetOrgPerson)) My LDAP data structure is very basic, containing only the username, password, and the external email address where to forward emails for this user. An entry looks like this add uid = username,ou=users,dc=example,dc=org uid : username objectClass : inetOrgPerson sn : username cn : username userPassword : {SSHA}abcdefghi123456789 email : real-email-address@external-domain.com This structure is different from what is expected/assumed from the configuration scripts of the mailserver, so it doesn't work just by using the LDAP_QUERY_FILTER_... settings. Instead, I had to do custom configuration . I created the script config/user-patches.sh , with a content like this: #!/bin/bash rm -f /etc/postfix/ { ldap-groups.cf,ldap-domains.cf } postconf \\ \"virtual_mailbox_domains = /etc/postfix/vhost\" \\ \"virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf texthash:/etc/postfix/virtual\" \\ \"smtpd_sender_login_maps = ldap:/etc/postfix/ldap-users.cf\" sed -i /etc/postfix/ldap-users.cf \\ -e '/query_filter/d' \\ -e '/result_attribute/d' \\ -e '/result_format/d' cat <<EOF >> /etc/postfix/ldap-users.cf query_filter = (uid=%u) result_attribute = uid result_format = %s@example.org EOF sed -i /etc/postfix/ldap-aliases.cf \\ -e '/domain/d' \\ -e '/query_filter/d' \\ -e '/result_attribute/d' cat <<EOF >> /etc/postfix/ldap-aliases.cf domain = example.org query_filter = (uid=%u) result_attribute = mail EOF postfix reload You see that besides query_filter , I had to customize as well result_attribute and result_format . Sealso For more details about using LDAP see: LDAP managed mail server with Postfix and Dovecot for multiple domains Seealso Another solution that serves as a forward-only mailserver is this: https://gitlab.com/docker-scripts/postfix Tip One user reports only having success if ENABLE_LDAP=0 was set.","title":"Forward-Only Mailserver with LDAP"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/#building-a-forward-only-mailserver","text":"A forward-only mailserver does not have any local mailboxes. Instead, it has only aliases that forward emails to external email accounts (for example to a gmail account). You can also send email from the localhost (the computer where the mailserver is installed), using as sender any of the alias addresses. The important settings for this setup (on mailserver.env ) are these: PERMIT_DOCKER = host ENABLE_POP3 = ENABLE_CLAMAV = 0 SMTP_ONLY = 1 ENABLE_SPAMASSASSIN = 0 ENABLE_FETCHMAIL = 0 Since there are no local mailboxes, we use SMTP_ONLY=1 to disable dovecot . We disable as well the other services that are related to local mailboxes ( POP3 , ClamAV , SpamAssassin , etc.) We can create aliases with ./setup.sh , like this: ./setup.sh alias add <alias-address> <external-email-account>","title":"Building a Forward-Only Mailserver"},{"location":"examples/uses-cases/forward-only-mailserver-with-ldap-authentication/#authenticating-with-ldap","text":"If you want to send emails from outside the mailserver you have to authenticate somehow (with a username and password). One way of doing it is described in this discussion . However if there are many user accounts, it is better to use authentication with LDAP. The settings for this on mailserver.env are: ENABLE_LDAP = 1 LDAP_START_TLS = yes LDAP_SERVER_HOST = ldap.example.org LDAP_SEARCH_BASE = ou=users,dc=example,dc=org LDAP_BIND_DN = cn=mailserver,dc=example,dc=org LDAP_BIND_PW = pass1234 ENABLE_SASLAUTHD = 1 SASLAUTHD_MECHANISMS = ldap SASLAUTHD_LDAP_SERVER = ldap.example.org SASLAUTHD_LDAP_SSL = 0 SASLAUTHD_LDAP_START_TLS = yes SASLAUTHD_LDAP_BIND_DN = cn=mailserver,dc=example,dc=org SASLAUTHD_LDAP_PASSWORD = pass1234 SASLAUTHD_LDAP_SEARCH_BASE = ou=users,dc=example,dc=org SASLAUTHD_LDAP_FILTER = (&(uid=%U)(objectClass=inetOrgPerson)) My LDAP data structure is very basic, containing only the username, password, and the external email address where to forward emails for this user. An entry looks like this add uid = username,ou=users,dc=example,dc=org uid : username objectClass : inetOrgPerson sn : username cn : username userPassword : {SSHA}abcdefghi123456789 email : real-email-address@external-domain.com This structure is different from what is expected/assumed from the configuration scripts of the mailserver, so it doesn't work just by using the LDAP_QUERY_FILTER_... settings. Instead, I had to do custom configuration . I created the script config/user-patches.sh , with a content like this: #!/bin/bash rm -f /etc/postfix/ { ldap-groups.cf,ldap-domains.cf } postconf \\ \"virtual_mailbox_domains = /etc/postfix/vhost\" \\ \"virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf texthash:/etc/postfix/virtual\" \\ \"smtpd_sender_login_maps = ldap:/etc/postfix/ldap-users.cf\" sed -i /etc/postfix/ldap-users.cf \\ -e '/query_filter/d' \\ -e '/result_attribute/d' \\ -e '/result_format/d' cat <<EOF >> /etc/postfix/ldap-users.cf query_filter = (uid=%u) result_attribute = uid result_format = %s@example.org EOF sed -i /etc/postfix/ldap-aliases.cf \\ -e '/domain/d' \\ -e '/query_filter/d' \\ -e '/result_attribute/d' cat <<EOF >> /etc/postfix/ldap-aliases.cf domain = example.org query_filter = (uid=%u) result_attribute = mail EOF postfix reload You see that besides query_filter , I had to customize as well result_attribute and result_format . Sealso For more details about using LDAP see: LDAP managed mail server with Postfix and Dovecot for multiple domains Seealso Another solution that serves as a forward-only mailserver is this: https://gitlab.com/docker-scripts/postfix Tip One user reports only having success if ENABLE_LDAP=0 was set.","title":"Authenticating with LDAP"}]}
\ No newline at end of file
diff --git a/edge/sitemap.xml b/edge/sitemap.xml
index 5884b606..25138a90 100644
--- a/edge/sitemap.xml
+++ b/edge/sitemap.xml
@@ -1,139 +1,143 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/introduction/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/setup.sh/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/accounts/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/aliases/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dkim/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dmarc/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/spf/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/autodiscover/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/understanding-the-ports/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/ssl/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/fail2ban/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/troubleshooting/debugging/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/pop3/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/optional-config/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/maintenance/update-and-cleanup/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/dovecot/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/postfix/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
+     <changefreq>daily</changefreq>
+    </url><url>
+     <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/user-patches/</loc>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/auth-ldap/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-sieve/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-fetchmail/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/relay-hosts/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/aws-ses/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/full-text-search/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/kubernetes/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/ipv6/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/basic-installation/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/mailserver-behind-proxy/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/faq/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/issues-and-pull-requests/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/coding-style/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/tests/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url><url>
      <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/documentation/</loc>
-     <lastmod>2021-03-29</lastmod>
+     <lastmod>2021-04-01</lastmod>
      <changefreq>daily</changefreq>
     </url>
 </urlset>
\ No newline at end of file
diff --git a/edge/sitemap.xml.gz b/edge/sitemap.xml.gz
index 8a38b19b..9fe5edec 100644
Binary files a/edge/sitemap.xml.gz and b/edge/sitemap.xml.gz differ
