nuxt.config.js

module.exports = {
  /*
  ** Headers of the page
  */
  mode:'spa',
  head: {
    title: 'books-nuxtjs',
    meta: [
      { charset: 'utf-8' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
      { hid: 'description', name: 'description', content: 'Nuxt.js project' }
    ],
    link: [
      {rel:'stylesheet', href:"https://use.fontawesome.com/releases/v5.3.1/css/all.css"} 
    ]
  },
  /*
  ** Customize the progress bar color
  */
  loading: { color: '#3B8070' },
  /*
  ** Build configuration
  */
  build: {

  },
  module: {
    rules: [{
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
            scss: 'vue-style-loader!css-loader!sass-loader',
            sass: 'vue-style-loader!css-loader!sass-loader?indentedSyntax'
          }
        }
      },
      {
        test: /\.scss$/,
        use: [{
            loader: 'css-loader'
          },
          {
            loader: 'sass-loader'
          }
        ]
      }
    ]
  }
}