CSS 代码：【复制】 
<style type="text/css">
.shadetabs{
border-bottom: 1px solid gray;
/* width: 90%; width of menu. Uncomment to change to a specific width */
margin-bottom: 1em;
}

.shadetabs ul{
padding: 3px 0;
margin-left: 0;
margin-top: 1px;
margin-bottom: 0;
font: bold 12px 宋体;
list-style-type: none;
text-align: center; /*可设置菜单的位置 left, center,或者 right*/
}

.shadetabs li{
display: inline;
margin: 0;
}

.shadetabs li a{
text-decoration: none;
padding: 3px 7px;
margin-right: 3px;
border: 1px solid #778;
color: #2d2b2b;
background: white url(../images/shade.gif) top left repeat-x;
}

.shadetabs li a:visited{
color: #2d2b2b;
}

.shadetabs li a:hover{
text-decoration: underline;
color: #2d2b2b;
}

.shadetabs li.selected{
position: relative;
top: 1px;
}

.shadetabs li.selected a{ /*selected main tab style */
background-image: url(../images/shadeactive.gif);
border-bottom-color: white;
}

.shadetabs li.selected a:hover{ /*selected main tab style */
text-decoration: none;
}
</style>

HTML代码 代码：【复制】 
<div class="shadetabs">
	<ul>
		<li><a href="http://www.goalercn.com/" title="主">主 页</a></li>
		<li><a href="http://www.goalercn.com/" title="自定菜单">自定菜单</a></li>
		<li><a href="http://www.goalercn.com/" title="自定菜单">自定菜单</a></li>
		<li class="selected"><a href="http://www.goalercn.com/" title="自定菜单">自定菜单</a></li>
		<li><a href="http://www.goalercn.com/" title="自定菜单">自定菜单</a></li>	
		<li><a href="http://www.goalercn.com/" title="自定菜单">自定菜单</a></li>
	</ul>
</div>