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<head>
<meta ="Content-Type" content="text/html;charset=UTF-8" />
<title>下拉菜单</title>
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</head>
<body>
<div id="con">
<ul>
<li id="li01">
<a href="javascript:;">平面设计</a>
<ul id="ul01">
<li><a href="javascript:;">平面内容</a></li>
<li><a href="javascript:;">平面内容</a></li>
<li><a href="javascript:;">平面内容</a></li>
<li><a href="javascript:;">平面内容</a></li>
</ul>
</li>
<li id="li02">
<a href="javascript:;">网页设计</a>
<ul id="ul02">
<li><a href="javascript:;">网页内容</a></li>
<li><a href="javascript:;">网页内容</a></li>
<li><a href="javascript:;">网页内容</a></li>
<li><a href="javascript:;">网页内容</a></li>
</ul>
</li>
<li id="li03">
<a href="javascript:;">SEO优化</a>
<ul id="ul03">
<li><a href="javascript:;">SEO内容</a></li>
<li><a href="javascript:;">SEO内容</a></li>
<li><a href="javascript:;">SEO内容</a></li>
<li><a href="javascript:;">SEO内容</a></li>
</ul>
</li>
<li id="li04">
<a href="javascript:;">UI设计</a>
<ul id="ul04">
<li><a href="javascript:;">UI内容</a></li>
<li><a href="javascript:;">UI内容</a></li>
<li><a href="javascript:;">UI内容</a></li>
<li><a href="javascript:;">UI内容</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>
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