Merge pull request #6044 from IgniteUI/fix-#6030-master

fix(themes): RTL styling patches

Author: rkaraivanov

browserslist renamed to .browserslistrc

@@ -2,8 +2,8 @@
 # For additional information regarding the format and rule options, please see:
 # https://github.com/browserslist/browserslist#queries
 # For IE 9-11 support, please uncomment the last line of the file and adjust as needed
-> 0.5%
-last 2 versions
+> 3%
+last 5 versions
 Firefox ESR
 not dead
-# IE 9-11
+# IE 9-11

gulpfile.js

@@ -43,7 +43,6 @@ const TYPEDOC_THEME = {
 
 module.exports.buildStyle =  (cb) => {
     const prefixer = postcss([autoprefixer({
-        browsers: ['last 5 versions', '> 3%'],
         cascade: false,
         grid: true
     })]);