1 <!doctype html>
2 <html>
3 <head>
4 <style type="text/css">
5 body {
6 margin: 0;
7 padding: 0;
8 }
9 .inner {
10 color: aliceblue;
11 height: 0;
12 padding: 25% 0;
13 background-color: coral;
14 display: flex;
15 align-items: center;
16 justify-content: center;
17 }
18 </style>
19 </head>
20 <body>
21 <div class="inner"> A </div>
22 </body>
23 </html>
原文地址：https://www.cnblogs.com/gaoxuerong123/p/9499133.html
时间： 2024-10-30 23:37:33