Install packages

npm install -D tailwindcss postcss autoprefixer prettier-plugin-tailwindcss

Setup Tailwind config

npx tailwindcss init -p

Set contents of tailwind.config.cjs to:

/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    "./index.html",
    "./src/**/*.{js,ts,jsx,tsx}",
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}

Update index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

Restart build process

npm run dev

Sources

• Installation guide – Tailwind docs