jQuery --中英文菜单切换

 1 <!DOCTYPE html>
 2 <html>
 3     <head>
 4         <meta charset="UTF-8">
 5         <title></title>
 6     </head>
 7     <style>
 8         .a{
 9             font-size: 18px;
10             font-weight: bold;
11             list-style: none;    
12             border-bottom: 8px solid royalblue;        
13             overflow: auto;
14         }
15         .a li{
16             float: left;
17             margin-left: 2px;
18             
19         }
20         
21         .a li a{
22             text-decoration: none;
23             line-height: 40px;
24             background: #DDDDDD;
25             color: #666666;
26             display: block;
27              180px;
28             text-align: center;
29             
30         }
31         .a li a span{
32             display: none;
33         }
34         .a li a:hover span{
35             display: block;
36             background: royalblue;
37             color: white;
38         }
39         .a li a:hover{
40             
41             margin-top: -40px;
42         }
43     </style>
44     <body>
45         <ul class="a">
46             <li><a href="#">首页<span>Home</span></a></li>
47             <li><a href="#">课程大厅<span>Course</span></a></li>
48             <li><a href="#">学习中心<span>Learn</span></a></li>
49         </ul>
50     </body>
51 </html>