autoprefixer and webpack use the same browser list config

frontend/browsers.js

@@ -0,0 +1,6 @@
+module.exports = [
+  '>0.25%',
+  'not ie 11',
+  'not op_mini all',
+  'not chrome < 60'
+];

frontend/gulp/webpack.js

@@ -5,6 +5,7 @@ const path = require('path');
 const webpack = require('webpack');
 const errorHandler = require('./helpers/errorHandler');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+const browsers = require('../browsers');
 
 const uiFolder = 'UI';
 const frontendFolder = path.join(__dirname, '..');
@@ -98,12 +99,7 @@ const config = {
                     loose: true,
                     debug: false,
                     useBuiltIns: 'entry',
-                    targets: [
-                      '>0.25%',
-                      'not ie 11',
-                      'not op_mini all',
-                      'not chrome < 60'
-                    ]
+                    targets: browsers
                   }
                 ]
               ]

frontend/postcss.config.js

@@ -1,4 +1,5 @@
 const reload = require('require-nocache')(module);
+const browsers = require('./browsers');
 
 module.exports = (ctx, configPath, options) => {
   const config = {
@@ -17,15 +18,7 @@ module.exports = (ctx, configPath, options) => {
       'postcss-color-function': {},
       'postcss-nested': {},
       autoprefixer: {
-        browsers: [
-          'Chrome >= 30',
-          'Firefox >= 30',
-          'Safari >= 6',
-          'Edge >= 12',
-          'Explorer >= 11',
-          'iOS >= 7',
-          'Android >= 4.4'
-        ]
+        browsers
       }
     }
   };