Source: https://tailwindcss.com/docs/installation/framework-guides/react-router

v4.1

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1. Installation
2. Install Tailwind CSS with React Router

Installation

Install Tailwind CSS with React Router

Setting up Tailwind CSS in a React Router project.

01

Create your project

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

Terminal

npx create-react-router@latest my-projectcd my-project

02

Install Tailwind CSS

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

Terminal

npm install tailwindcss @tailwindcss/vite

03

Configure Vite Plugin

Add the @tailwindcss/vite plugin to your Vite configuration.

vite.config.ts

import { reactRouter } from "@react-router/dev/vite";import { defineConfig } from "vite";import tsconfigPaths from "vite-tsconfig-paths";import tailwindcss from "@tailwindcss/vite";export default defineConfig({  plugins: [    tailwindcss(),    reactRouter(),    tsconfigPaths(),  ],});

04

Import Tailwind CSS

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

app.css

@import "tailwindcss";

05

Start your build process

Run your build process with npm run dev.

Terminal

npm run dev

06

Start using Tailwind in your project

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

home.tsx

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

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