| 123456789101112131415161718192021 |
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <script src="./js/rem.js"></script>
- <style>
- #box{
- width: 2rem;
- height: 2rem;
- background-color: red;
- }
- </style>
- </head>
- <body>
- <div id="box">
- <!-- 我是一个盒子 -->
- </div>
- </body>
- </html>
|
