<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>垂直居中</title> <style> * { margin: 0; padding: 0; } .center { 960px; height: 500px; margin: 0 auto; background: #1879D9; } .center p { background: #fff; position: relative; top: 50%; transform: translateY(-50%); left: 0; right: 0; margin: 0 auto; 100px; } </style></head><body> <div class="center"> <p>垂直居中内容</p> </div></body></html>原理 transform: translateY(-50%); 让div 沿Y轴平移自身高度的一半
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效果如图:
