<!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>
<style type="text/css">
#s_nav{ width:1004px; height:43px; list-style-type:none;}
#s_nav li{ float:left; height:43px; font-size:14px; margin:0 3px 0 0; text-align:center;}
#s_nav a{ float:left; display:block; height:43px;padding:0 0 0 17px;
line-height:43px; background:url(img/logo.png) 0 0px no-repeat;
text-decoration:none; }
#s_nav a b{ float:left; display:block;height:43px; padding:0 17px
0 0 ;
line-height:43px; background:url(img/logo.png) right 0px no-repeat;
cursor:pointer;}
</style>
<title>无标题页</title>
</head>
<body>
<ul id="s_nav">
<li><a href="#" class="on_nav"><b>首页</b>
</a>
</li>
<li><a href="#"><b>首页首页</b></a></li>
<li><a href="#"><b>首页首页首页</b></a></li>
<li><a href="#"><b>首页首首页首页</b></a></li>
<li><a href="#"><b>教育</b></a></li>
<br style="clear:both;" />
</ul>
</body>
</html>
效果图如下：
将背景色换为黑色就更完美啦！