Install Tailwind CSS with Next.js

Setting up Tailwind CSS in a Next.js project.

Start by creating a new Next.js project if you don’t have one set up already. The most common approach is to use Create Next App.

Terminal

npx create-next-app@latest my-project --typescript --eslint --appcd my-project

Install @tailwindcss/postcss and its peer dependencies via npm.

Terminal

npm install tailwindcss @tailwindcss/postcss postcss

Create a postcss.config.mjs file in the root of your project and add the @tailwindcss/postcss plugin to your PostCSS configuration.

postcss.config.mjs

const config = {  plugins: {    "@tailwindcss/postcss": {},  },};export default config;

Add an @import to ./src/app/globals.css that imports Tailwind CSS.

globals.css

@import "tailwindcss";

Run your build process with npm run dev.

Terminal

npm run dev

Start using Tailwind’s utility classes to style your content.

page.tsx

export default function Home() {  return (    <h1 className="text-3xl font-bold underline">      Hello world!    </h1>  )}

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