webpack.ayudas.js

module.exports = {
  baseCss: [
    {
      loader: 'css-loader'
    },
    {
      loader: 'postcss-loader',
      options: {
        postcssOptions: {
          plugins: ['postcss-preset-env', 'autoprefixer']
        }
      }
    },
    {
      loader: 'sass-loader'
    }
  ]
};