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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>
- <style>
- .box1{
- width: 200px;
- height: 200px;
- /* 边框 宽度 样式 颜色 */
- border:5px solid red;
- /* 内边距 */
- /* 与margin值的使用方法是一样的 */
- /* padding:20px; */
- padding-top: 20px;
- }
- </style>
- </head>
- <body>
- <div class="box1">hello</div>
- </body>
- </html>
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