71 lines
1.7 KiB
HTML
71 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>居中</title>
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<style>
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* {
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margin: 0;
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}
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.box {
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width: 200px;
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height: 200px;
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background: red;
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text-align: center;
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/**文字对齐**/
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/**line-height: 200px; 单行文字对齐**/
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}
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.box p {
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padding-top: calc(200px/2 - 63.43px /2);
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}
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.box_2 {
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width: 300px;
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height: 100px;
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background: #000;
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/* 实现一个块在另外一个块中居中 calc*/
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margin: 0 auto;
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}
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/* 实现行内元素的对齐 */
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.sssss {
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vertical-align: middle;
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}
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/* 通过定位来实现居中 */
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.pos {
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width: 200px;
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height: 200px;
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background: red;
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position: absolute;
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left: 50%;
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margin-left: -100px;
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top: 50%;
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margin-top: -100px;
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}
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</style>
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</head>
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<body>
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<!-- <div class="box">
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<p>测试测试测试测试测试测试测试测试测试测试测试测试测试测试</p>
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</div> -->
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<!-- <div class="box_2"></div> -->
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<!-- <img class="sssss" src="https://upload.jianshu.io/users/upload_avatars/3107261/6a4128b5-f862-4a2f-8596-29f671a1fdc7.jpg?imageMogr2/auto-orient/strip|imageView2/1/w/96/h/96/format/webp" alt="">
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<span>bmy</span> -->
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<div class="pos">
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哈哈哈
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</div>
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</body>
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</html> |