日期:2014-05-17 浏览次数:20775 次
    <div id='menu'>
                <ul>
                    <li class='interval'>|</li>
                    <li><a href="index.html">首    页</a></li>
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                    <li>
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                        <div id='submenu'>
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                    </li>
                    <li class='interval'>|</li>
                    <li><a href="topic.html">研究课题</a></li>
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                    <li><a href="cooperation.html">交流合作</a></li>
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#menu {
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    position:absolute;
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    height:26px;
    /*background:#ABC;*/
    top:110px;
    width:960px;
    left:15%;
    z-index:990;
}
#menu ul{
    margin:0 auto;
    position:absolute;
    /*background:#00FF00;*/
    list-style:none;
    padding:0px;
    height:26px;
    line-height:26px;
}
#menu ul li{
    float:left;
    padding:0px;
    height:26px;
    line-height:26px;
}
#menu ul li a {
    color:#7777CC;
    display:block;
    padding:0px 27px;
    height:26px;
    line-height:26px;
    float:left;
}
#menu ul li a:hover {
    background:#7777CC;
    color:#EEE;
}
#menu #submenu {
    position:absolute;
    padding:0px;
    float:left;
    top:26px;
    width:600px;
    height:54px;
    display:block;
    background-color:#AAB;
}
.subitem {
    width:600px;
    color:#FF0000;
}