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怎么将一个div居中

时间: 2024-06-13 15:09:44 浏览: 78

以下是三种将一个div居中的方法： 1. 使用flex布局将div居中显示 ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>div居中</title> <style> #div1 { width: 700px; height: 600px; background-color: orange; display: flex; align-items: center; justify-content: center; } #div2 { width: 200px; height: 200px; background-color: orchid; } </style> </head> <body> <div id="div1"> <div id="div2"></div> </div> </body> </html> ``` 2. 使用margin实现水平居中 ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>div居中</title> <style> #div1 { width: 700px; height: 600px; background-color: orange; } #div2 { width: 200px; height: 200px; background-color: orchid; margin: 0 auto; } </style> </head> <body> <div id="div1"> <div id="div2"></div> </div> </body> </html> ``` 3. 使用绝对定位实现水平居中 ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>div居中</title> <style> #div1 { width: 700px; height: 600px; background-color: orange; position: relative; } #div2 { width: 200px; height: 200px; background-color: orchid; position: absolute; left: 50%; margin-left: -100px; /* 宽度的一半 */ } </style> </head> <body> <div id="div1"> <div id="div2"></div> </div> </body> </html> ```

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