安装

npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init

PostCSS 配置

module.exports = {
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  }
}

tailwind.config.js

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

main.css

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