html 仿百度百科导航下拉菜单功能
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html 仿百度百科导航下拉菜单功能，具体代码如下所示： 演示图1
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> <html xmlns=""> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>html+CSS仿百度百科导航下拉菜单</title> <link href=http://www.jb51.net/web/"css/style.css" rel="stylesheet" type="text/css" /> </head> <body> <div class="header"> <div class="top-bar"> 头部内容 </div> <div class="nav-bar"> <div class="nav-bg"> <div class="nav-top"> <div class="nav-content"> <ul class="nav-content-box"> <li class="index on"> <span><a href="#">首页</a></span> </li> <li class="cat"> <span><a href="#">分类</a></span> <ul> <li><a href="#">自然</a></li> <li><a href="#">文化</a></li> <li><a href="#">地理</a></li> <li><a href="#">历史</a></li> <li><a href="#">生活</a></li> <li><a href="#">社会</a></li> <li><a href="#">艺术</a></li> <li><a href="#">人物</a></li> <li><a href="#">经济</a></li> <li><a href="#">科技</a></li> <li><a href="#">体育</a></li> </ul> </li> <li class="special "> <span><a href="javascript:void(0)">特色百科</a></span> <ul> <li><a href="#">历史上的今天</a></li> <li><a href="#">数字博物馆</a></li> <li><a href="#">城市百科</a></li> <li><a href="#">高校百科</a></li> <li><a href="#">艺术百科</a></li> <li><a href="#">科学百科</a></li> </ul> </li> <li class="user"> <span><a href="javascript:void(0)">用户</a></span> <ul> <li><a href="#">蝌蚪团</a></li> <li><a href="#">燃梦计划</a></li> <li><a href="#">百科任务</a></li> <li><a href="#">百科商城</a></li> </ul> </li> <li class="cooperation"> <span><a href="javascript:void(0)">权威合作</a></span> <ul> <li><a href="#">合作模式</a></li> <li><a href="#">常见问题</a></li> <li><a href="#">联系方式</a></li> </ul> </li> <li class="mobile"> <span><a href="javascript:void(0)">手机百科</a></span> <ul> <li><a href="#">客户端</a></li> <li><a href="#">网页版</a></li> </ul> </li> </ul> </div> </div> </div> </div> </div> </body> </html> 样式 body{margin:0;padding:0;font-family:arial,tahoma,'Microsoft Yahei','5b8b4f53',sans-serif;;} .top-bar{background-color:#f3f3f3;text-align:center;padding:2.5em;} a{padding-bottom:3px;color:white;text-decoration:none;} ul{list-style:none;padding:0;margin:0;} li{text-align:center;} .nav-bar{position:relative;z-index:1000;overflow:hidden;min-width:900px;height:45px;} .nav-bar:hover{overflow:visible;-webkit-transition:all 0.5s ease;transition:all 0.5s ease;} .nav-bg{position:absolute;width:100%;height:272px;background:#24619c;background:rgba(36,97,158,.95);-webkit-transition:.3s;transition:.3s;z-index:9999;} .nav-top{height:43px;border-top:1px solid #5895d5;border-bottom:1px solid #3b92e9;background:#459df5;} .nav-content{position:absolute;width:80%;left:10%;} .nav-content-box{position:absolute;top:0;left:0;width:100%;} .nav-content-box>li{float:left;line-height:43px;} .nav-content-box>li:hover{background:#19508b;} .nav-content-box>li>span>a{display:block;width:100%;margin:0;height:41px;line-height:41px;} .nav-content-box>li:hover>span>a{background:#338ce6;} ul>li.index,ul>li.cat,ul>li.special,ul>li.user,ul>li.cooperation,ul>li.mobile{width:120px;} ul>li.index{height:43px;} ul.nav-content-box>li>ul{border-right:solid 1px #3a6fa2;margin:10px 0 6px} ul.nav-content-box>li>ul:after{visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0} .nav-content-box>li:hover>ul{border-right:none;padding-right:1px;} ul.nav-content-box>li>ul>li{float:left;width:100%;line-height:2;text-align:center;} ul.nav-content-box>li.cat>ul>li{width:49%;} ul.nav-content-box>li>ul>li>a{display:block;width:100%;} 总结 （编辑：焦作站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
