DIV CSS列形导航一例，超酷解析！

如图效果:

先看看XHTML代码：

[code]<div id="navcontainer">

<ul id="navlist">

<li id="active"><a href="http://www.duote.com/" id="current">Item one</a>

<ul id="subnavlist">

<li id="subactive"><a href="http://www.duote.com/" id="subcurrent">Subitem one</a></li>

<li><a href="http://www.duote.com/">Subitem two</a></li>

<li><a href="http://www.duote.com/">Subitem three</a></li>

<li><a href="http://www.duote.com/">Subitem four</a></li>

</ul>

</li>

<li><a href="http://www.duote.com/">Item two</a></li>

<li><a href="http://www.duote.com/">Item three</a></li>

<li><a href="http://www.duote.com/">Item four</a></li>

</ul>

看看CSS是如何定久相关元素的：

[code]#navcontainer { margin-left: 30px; }

#navcontainer ul

{

margin: 0;

padding: 0;

list-style-type: none;

font-family: verdana, arial, Helvetica, sans-serif;

}

#navcontainer li { margin: 0; }

#navcontainer a

{

display: block;

padding: 5px 10px;

width: 140px;

color: #000;

background-color: #ADC1AD;

text-decoration: none;

border-top: 1px solid #fff;

border-left: 1px solid #fff;

border-bottom: 1px solid #333;

border-right: 1px solid #333;

font-weight: bold;

font-size: .8em;

background-image: url(images/vertical06.jpg);

background-repeat: no-repeat;

background-position: 0 0;

}

#navcontainer a:hover

{

color: #000;

background-color: #889E88;

text-decoration: none;

border-top: 1px solid #333;

border-left: 1px solid #333;

border-bottom: 1px solid #fff;

border-right: 1px solid #fff;

background-image: url(images/vertical06a.jpg);

background-repeat: no-repeat;

background-position: 0 0;

}

#navcontainer ul ul li { margin: 0; }

#navcontainer ul ul a

{

display: block;

padding: 5px 5px 5px 30px;

width: 125px;

color: #000;

background-color: #C5D8C5;

text-decoration: none;

font-weight: normal;

}

#navcontainer ul ul a:hover

{

color: #000;

background-color: #889E88;

text-decoration: none;