body {
    font-family:verdana, sans-serif; 
    font-size:small;
}
#navigation , #navigation li ul{
    padding:0; 
    margin:0;
    list-style-type: none;
}
#navigation li {
    float:left;
    text-align:center;
    position:relative;
}
#navigation h4 {
    margin:0; 
}
#navigation li a:link, #navigation li a:visited {
    display:block; 
    text-decoration:none; 
    color:#000; 
    width:90px; 
    height:32px; 
    line-height:32px; 
    border:1px solid #fff; 
    border-width:1px 1px 0 0; 
    background:#E7E7E7; 
    padding-left:10px; 
}
#navigation li ul {
    display: none;
}
 
/* 以下只支持非IE6浏览器 */
#navigation li:hover a {
    color:#fff;
    background:#6b839c;
}
#navigation li:hover ul {
    display:block; 
    position:absolute; 
    top:32px;
    margin-top:1px;
    left:0; 
    width:90px;
}
#navigation li:hover ul li a {
    display:block; 
    background:#E7E7E7; 
    color:#000; 
    height:20px; 
    line-height:20px; 
    padding:5px 10px; 
    width:80px;
}
#navigation li:hover ul li a:hover {
    color:#fff;
    background:#6b839c; 
}