diff --git a/rhodecode/public/js/src/components/shared-styles.js b/rhodecode/public/js/src/components/shared-styles.js
--- a/rhodecode/public/js/src/components/shared-styles.js
+++ b/rhodecode/public/js/src/components/shared-styles.js
@@ -1,5 +1,6 @@
 const styleElement = document.createElement('dom-module');
-import sharedCSS from 'raw-loader!./style-polymer.css';
+// this will use raw-loader
+import sharedCSS from './style-polymer.css';
 
 styleElement.innerHTML =
     `<template>
diff --git a/webpack.config.js b/webpack.config.js
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -44,6 +44,10 @@ module.exports = {
     module: {
         rules: [
             {
+                test: /style-polymer.css/,
+                use: 'raw-loader'
+            },
+            {
                 // If you see a file that ends in .html, send it to these loaders.
                 test: /\.html$/,
                 // This is an example of chained loaders in Webpack.