vu2 下载使用tailwind css

命令

# Vue2 

# 安装talwindcss postcss autoprefixer
npm install tailwindcss@npm:@tailwindcss/postcss7-compat @tailwindcss/postcss7-compat postcss@^7 autoprefixer@^9 -D

# 生成tailwind.config.js 和 postcss.config.js
npx tailwindcss init -p

main.js

import "tailwindcss/tailwind.css";

postcss.config.js

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

tailwind.config.js

/** @type {import('tailwindcss').Config} */
module.exports = {
  mode: "jit",
  content: [],
  purge: ["./src/**/*.html", "./src/**/*.js", "./src/**/*.ts", "./src/**/*.tsx", "./src/**/*.vue"],
  darkMode: false, // or 'media' or 'class'
  theme: {
    extend: {
      colors: {
        primary: "#F58848",
        success: "#54d880",
        "primary-sub": "#5FB671",
        danger: "#E24C52",
        "success-light": "#EEF8F0"
      }
    }
  },
  corePlugins: {
    aspectRatio: false
  },
  plugins: []
};

添加完上面的 就可以正常使用

以下 是多余的 已测试删除后还能继续使用

src/input.css

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