<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
a{text-decoration:none}
.container{width:760pxmargin:0 autobackground:#FC6}
.header{width:760pxheight:100pxbackground:url(head1.jpg) 0 0 no-repeat}
.header ul{width:600pxheight:35pxmargin:65px auto 0 60px}
.header ul li{float:leftwidth:100pxheight:35pxline-height:35pxtext-align:center}
.content{width:760pxmargin-top:35px}
.content div{border:1px solid #333}
.content_left{width:388pxheight:300pxfloat:leftmargin-right:10pxbackground:#CCC}
.content_rt{width:348pxheight:200pxfloat:leftbackground:#900}
.content_rb{width:348pxheight:70pxmargin-top:30pxfloat:leftbackground:#039}
/*---------*/
.nva_a{background:#06F}
.nva_b{background:#06C}
.nva_c{background:#0C0}
.nva_d{background:#07F}
.nva_e{background:#3F0}
</style>
</head>
<body>
<div class="container">
<div class="header">
<ul>
<li class="nva_a"><a href="#">栏目导航</a></li>
<li class="nva_b"><a href="#">栏目导航</a></li>
<li class="nva_c"><a href="#">栏目导航</a></li>
<li class="nva_d"><a href="#">栏目导航</a></li>
<li class="nva_e"><a href="#">栏目导航</a></li>
</ul>
</div>
<div class="content">
<div class="content_left"></div>
<div class="content_rt"></div>
<div class="content_rb"></div>
</div>
</div>
</body>
</html>
这是代码默认的效果伪类选择器可以修改
<style>
a:link {color: #FF0000} /* 未访问的链接 */
a:visited {color: #00FF00} /* 已访问的链接 */
a:hover {color: #FF00FF} /* 鼠标移动到链接上 */
a:active {color: #0000FF} /* 选定的链接 */
</style>