1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>无标题文档</title>
6 </head>
7
8 <body>
9
10 <div class="bbb"><div class="aaa"></div></div>
11
12 <style>
13
14 .aaa
15 {
16 width:100px;
17 height:50px;
18 background-color:#F00;
19 position:relative;
20 left:300px;
21
22 }
23
24 .bbb
25 {
26 width:500px;
27 height:300px;
28 background-color:#0F0;
29 position:absolute;
30 }
31
32 </style>
33 </body>
34 </html>
时间： 2024-08-24 14:02:11