html 仿百度百科導航下拉菜單功能，具體代碼如下所示：
演示圖1
<!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/html; charset=utf-8" /><title>html+CSS仿百度百科導航下拉菜單</title><link href="css/style.css" rel="stylesheet" type="text/css" /></head><body><div class="header"> <div class="top-bar"> 頭部內容 </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="#">首頁</a></span> </li> <li class="cat"> <span><a href="#">分類</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="#">歷史</a></li> <li><a href="#">生活</a></li> <li><a href="#">社會</a></li> <li><a href="#">藝術</a></li> <li><a href="#">人物</a></li> <li><a href="#">經濟</a></li> <li><a href="#">科技</a></li> <li><a href="#">體育</a></li> </ul> </li> <li class="special "> <span><a href="javascript:void(0)">特色百科</a></span> <ul> <li><a href="#">歷史上的今天</a></li> <li><a href="#">數字博物館</a></li> <li><a href="#">城市百科</a></li> <li><a href="#">高校百科</a></li> <li><a href="#">藝術百科</a></li> <li><a href="#">科學百科</a></li> </ul> </li> <li class="user"> <span><a href="javascript:void(0)">用戶</a></span> <ul> <li><a href="#">蝌蚪團</a></li> <li><a href="#">燃夢計劃</a></li> <li><a href="#">百科任務</a></li> <li><a href="#">百科商城</a></li> </ul> </li> <li class="cooperation"> <span><a href="javascript:void(0)">權威合作</a></span> <ul> <li><a href="#">合作模式</a></li> <li><a href="#">常見問題</a></li> <li><a href="#">聯系方式</a></li> </ul> </li> <li class="mobile"> <span><a href="javascript:void(0)">手機百科</a></span> <ul> <li><a href="#">客戶端</a></li> <li><a href="#">網頁版</a></li> </ul> </li> </ul> </div> </div> </div> </div></div></body></html>
樣式
body{margin:0;padding:0;font-family:arial,tahoma,'Microsoft Yahei','/5b8b/4f53',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%;}總結
以上所述是小編給大家介紹的html 仿百度百科導航下拉菜單功能,希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對武林網網站的支持！
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