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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>纯CSS实现网站三级菜单特效 - 网页模板</title>
<style>
@charset "utf-8";
body{ margin: 0px; padding: 0px; font-family: Verdana, Geneva, sans-serif; font-size: 12px; color: #FFF; background-color: #434343 }
body a{ color: #000000; }
.box{margin:240px auto; padding:0px; width:2000px;}
.box ul{margin:0px; padding:0px; list-style:none;border: 0;}
.box ul li{ margin: 0px 2px 0px 0px; padding: 0px; width: 120px; height: 35px; display: block; border-radius: 0px; box-shadow: #000 0px 0px 1px; border: 0; background-color: #F3F3F3; }
.box ul li:hover ul{display:block;}
.box ul li a{text-align:center; width:121px; height:37px; line-height:35px; display:block; text-decoration:none;}
.box ul li ul{display:none;position:relative; top:-37px; left:121px;}
.box ul li ul li{margin:0px 0px 2px 0px; padding:0px ; background-color:#FFFFFF;}
.sech{background-color:pink;}
.box ul li ul li:hover{background:pink;}
.box ul li ul li:hover ul{visibility:visible;}
.box ul li ul li ul{visibility:hidden; position:relative; top:-37px; left:121px;}
.box ul li ul li ul li{background:#FFFFFF;}
.box ul li ul li ul li:hover{background:#AFEEEE;}
.thirdh{background-color: #1E90FF;}
</style>
</head>
<body>
<div class="box">
<ul>
<li><a href="#">导航1</a>
<ul>
<li><a href="#" class="sech">导航1_1</a></li>
<li><a href="#">导航1_2</a>
<ul>
<li><a href="#" class="thirdh">导航1_2_1</a></li>
<li><a href="#">导航1_2_2</a></li>
<li><a href="#">导航1_2_3</a></li>
<li><a href="#">导航1_2_4</a></li>
</ul>
</li>
<li><a href="#">导航1_3</a>
<ul>
<li><a href="#" class="thirdh">导航1_3_1</a></li>
<li><a href="#">导航1_3_2</a></li>
</ul>
</li>
<li><a href="#">导航1_4</a>
<ul>
<li><a href="#" class="thirdh">导航1_4_1</a></li>
<li><a href="#">导航1_4_2</a></li>
<li><a href="#">导航1_4_3</a></li>
<li><a href="#">导航1_4_4</a></li>
<li><a href="#">导航1_4_5</a></li>
<li><a href="#">导航1_4_6</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">导航2</a>
<ul>
<li><a href="#" class="sech">导航2_1</a></li>
<li><a href="#">导航2_2</a>
<ul>
<li><a href="#" class="thirdh">导航2_2_1</a></li>
<li><a href="#">导航2_2_2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">导航3</a>
<ul>
<li><a href="#" class="sech">导航3_1</a></li>
<li><a href="#">导航3_2</a>
<ul>
<li><a href="#" class="thirdh">导航3_2_1</a></li>
<li><a href="#">导航3_2_2</a></li>
</ul>
</li>
<li><a href="#">导航3_3</a>
<ul>
<li><a href="#" class="thirdh">导航3_3_1</a></li>
<li><a href="#">导航3_3_2</a></li>
</ul>
</li>
<li><a href="#">导航3_4</a>
<ul>
<li><a href="#" class="thirdh">导航3_4_1</a></li>
<li><a href="#">导航3_4_2</a></li>
</ul>
</li>
<li><a href="#">导航3_5</a>
<ul>
<li><a href="#" class="thirdh">导航3_5_1</a></li>
<li><a href="#">导航3_5_2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">导航4</a>
<ul>
<li><a href="#" class="sech">导航4_1</a></li>
<li><a href="#">导航4_2</a>
<ul>
<li><a href="#" class="thirdh">导航4_2_1</a></li>
<li><a href="#">导航4_2_2</a></li>
</ul>
</li>
<li><a href="#">导航4_3</a>
<ul>
<li><a href="#" class="thirdh">导航4_3_1</a></li>
<li><a href="#">导航4_3_2</a></li>
<li><a href="#">导航4_3_3</a></li>
</ul>
</li>
<li><a href="#">导航4_4</a>
<ul>
<li><a href="#" class="thirdh">导航4_4_1</a></li>
<li><a href="#">导航4_4_2</a></li>
</ul>
</li>
<li><a href="#">导航4_5</a>
<ul>
<li><a href="#" class="thirdh">导航4_5_1</a></li>
<li><a href="#">导航4_5_2</a></li>
</ul>
</li>
<li><a href="#">导航4_6</a>
<ul>
<li><a href="#" class="thirdh">导航4_6_1</a></li>
<li><a href="#">导航4_6_2</a></li>
<li><a href="#">导航4_6_3</a></li>
<li><a href="#">导航4_6_4</a></li>
<li><a href="#">导航4_6_5</a></li>
</ul>
</li>
<li><a href="#">导航4_7</a>
<ul>
<li><a href="#" class="thirdh">导航4_7_1</a></li>
<li><a href="#">导航4_7_2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">导航5</a>
<ul>
<li><a href="#" class="sech">导航5_1</a></li>
<li><a href="#">导航5_2</a>
<ul>
<li><a href="#" class="thirdh">导航5_2_1</a></li>
<li><a href="#">导航5_2_2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="/dll">导航6</a>
<ul>
<li><a href="#" class="sech">导航6_1</a></li>
<li><a href="#">导航6_2</a>
<ul>
<li><a href="#" class="thirdh">导航6_2_1</a></li>
<li><a href="#">导航6_2_2</a></li>
</ul>
</li>
<li><a href="#">导航6_3</a>
<ul>
<li><a href="#" class="thirdh">导航6_3_1</a></li>
<li><a href="#">导航6_3_2</a></li>
</ul>
</li>
<li><a href="#">导航6_4</a>
<ul>
<li><a href="#" class="thirdh">导航6_4_1</a></li>
<li><a href="#">导航6_4_2</a></li>
</ul>
</li>
<li><a href="#">导航6_5</a>
<ul>
<li><a href="#" class="thirdh">导航6_5_1</a></li>
<li><a href="#">导航6_5_2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">导航7</a>
<ul>
<li><a href="#" class="sech">导航7_1</a></li>
