message: include style-loader
diff: @@ -82,12 +82,17 @@ export default env => {
  },
  {
  test: /\.css$/,
  + use: [
  + 'style-loader',
  + {
  loader: 'css-loader',
  options: {
  sourceMap: true,
  minimize: true,
  },
  },
  + ],
  + },
  { enforce: 'pre', test: /\.js$/, loader: 'source-map-loader' },
  ],
  },
  