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css rgba透明度变化

2024-09-22 01:05:37   219人阅读

 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>

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css rgba透明度变化


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