第六章 对列表应用样式和创建导航条-2
4.下拉菜单
<ul class="nav">
<li><a jref="/home/">Home</a></li>
<li><a jref="/product/">Product</a></li>
<ul>
<li><a href="/go.html?url=/products/silverback/">Sliverback</a></li>
<li><a href="/go.html?url=/products/fontdeck/">Font Deck</a></li>
</ul>
<li><a jref="/services/">Services</a></li>
<ul>
<li><a href="/go.html?url=/services/design/">Sliverback</a></li>
<li><a href="/go.html?url=/services/development/">Development</a></li>
<li><a href="/go.html?url=/services/consultancy/">Consultancy</a></li>
</ul>
<li><a jref="/contact/">Contact us</a></li>
</ul>
<ul clas
