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 <style type="text/css">
7 li[class^="rgba"]{
8 float:left;
9 width:100px;
10 height:80px;
11 border:#CCC solid 1px;
12 text-align:center;
13 font-size:12px;
14 }
15 li[class*="1"]{background:rgba(255,0,0,0.1);}
16 li[class*="2"]{background:rgba(255,0,0,0.3);}
17 li[class*="3"]{background:rgba(255,0,0,0.5);}
18 li[class*="4"]{background:rgba(255,0,0,0.7);}
19 li[class*="5"]{background:rgba(255,0,0,0.9);}
20 </style>
21
22
23 </head>
24
25 <body>
26 <li class="rgba1">你好</li>
27 <li class="rgba2">你好</li>
28 <li class="rgba3">你好</li>
29 <li class="rgba4">你好</li>
30 <li class="rgba5">你好</li>
31 </body>
32 </html>
