Install Tailwind CSS
Install Tailwind CSS with Next.js
Create your project
npx create-next-app@latest my-project --typescript --eslint
cd my-projectInstall Tailwind CSS
npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -pConfigure your template paths
/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    "./app/**/*.{js,ts,jsx,tsx,mdx}",
    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
    "./components/**/*.{js,ts,jsx,tsx,mdx}",
 
    // Or if using `src` directory:
    "./src/**/*.{js,ts,jsx,tsx,mdx}",
  ],
  theme: {
    extend: {},
  },
  plugins: [],
};Add the Tailwind directives to your CSS
global.css
@tailwind base;
@tailwind components;
@tailwind utilities;Start your build process
npm run devStart using Tailwind
export default function Home() {
  return <h1 className="text-3xl font-bold underline">Hello world!</h1>;
}