webpack.md

   plugins: [
        new OptimizeCssPlugin(
          [
            {
              files: ['./src/*/*.js', './src/*/*/*.js', './server/*.js', './server/*/*.js', './server/*/*/*.js', './plain_js/*.js'],
              cssPath: `https://goibibo.ibcdn.com/styleguide/css/newtrains/trainCombined.${Math.ceil(Math.random()*1000)}.css`,
              downloadCssPath: `./static/trains-static/styles/combinedStyles.css`,
              outputCssPath: `./static/trains-static/styles/purified.css`
            }
          ]
        )
     ]
// other configs