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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <!-- link 引入外部文件 -->
- <!-- rel=stylesheet 引入css文件 -->
- <!-- href 引入文件路径 -->
- <link rel="stylesheet" href="./css/main.css">
- </head>
- <body>
- <div class="box1"></div>
- </body>
- </html>
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