水平垂直居中方法
有两种常用办法:
- 绝对定位+margin边距(传统方法)
- 绝对定位+translate位移
- flex布局
- 绝对定位方法
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <div class=""> <p></p> </div> </body> </html> <style> div { width: 300px; height: 300px; background: #33d; position: relative; } p { position: absolute; width: 100px; height: 100px; background: green; left: 50%; top: 50%; transform: translate(-50%, -50%); /* margin-left: -50px; margin-top: -50px; */ } </style>
- flex布局水平垂直居中方法
div {
display: flex;
justify-content: center;
align-items: center;
width: 300px;
height: 300px;
background: #33d;
}
p {
width: 100px;
height: 100px;
background: pink;
}
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