Up and running Tailwindcss in Laravel app

app.scss

@import "./node_modules/tailwindcss/base";

@import "./node_modules/tailwindcss/components";

@import "./node_modules/tailwindcss/utilities";

package.json

  "devDependencies": {
      "@tailwindcss/custom-forms": "^0.2.0",
      "postcss": "^7.0.17",
      "resolve-url-loader": "2.3.1",
      "sass": "^1.22.5",
      "sass-loader": "7.*",
      "tailwindcss": "^1.0.5",
  }

webpack.mix.js

const mix = require('laravel-mix');
const tailwindcss = require('tailwindcss');

mix.js('resources/js/app.js', 'public/js')
   .sass('resources/sass/app.scss', 'public/css')
   .options({
      processCssUrls: false,
      postCss: [tailwindcss('./tailwind.config.js')],
   })
   .version();