<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .box{ /*此方法必须固定宽高*/ width: 200px; height: 200px; background-color: red; margin: auto; position: absolute; top: 0; left: 0; bottom: 0; right: 0; } </style> </head> <body> <div class="box"> 5424 </div> </body> </html>
方法1 ie8可用
.box{ /*此方法必须固定宽高*/ width: 200px; height: 200px; background-color: red; margin: auto; position: absolute; top: 0; left: 0; bottom: 0; right: 0; }
方法2