Installation
Setting up Tailwind CSS in a Laravel project.
Install @tailwindcss/postcss and its peer dependencies via npm.
npm install tailwindcss @tailwindcss/postcss postcssIn your webpack.mix.js file, add tailwindcss as a PostCSS plugin.
mix  .js("resources/js/app.js", "public/js")  .postCss("resources/css/app.css", "public/css", [    require("@tailwindcss/postcss"),  ]);Add an @import to ./resources/css/app.css that imports Tailwind CSS. Additionally, tell Tailwind CSS to scan your resources/views directory for utilities.
@import "tailwindcss";@source "../views";Run your build process with npm run watch.
npm run watchMake sure your compiled CSS is included in the <head> then start using Tailwind’s utility classes to style your content.
<!doctype html><html>  <head>    <meta charset="utf-8" />    <meta name="viewport" content="width=device-width, initial-scale=1.0" />    <link href="{{ asset('css/app.css') }}" rel="stylesheet" />  </head>  <body>    <h1 class="text-3xl font-bold underline">      Hello world!    </h1>  </body></html>