亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

css下拉菜單

Original 2019-06-15 12:03:21 244
abstract:摘要: 運(yùn)用display屬性設(shè)置下拉菜單 <!DOCTYPE html> <html> <head>     <meta charset="utf-8">     <style>    
摘要:
運(yùn)用display屬性設(shè)置下拉菜單

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <style>
        *{margin: 0;padding: 0;}
        body{
            background: lightgray;
        }
        .page{
            margin: 20px auto;
            width: 600px;
            background: lightcyan;
            height: 1000px;
        }
        .nav>li{
            float: left;
            width: 150px;
            text-align: center;
            background: darkmagenta;
            padding: 0px;
            color: lightgrey;
            line-height:50px;
        }
        ul{
            list-style: none;
        }
        .dropdown-content{
            display: none;
            background: #0aa6ec;
        }
        .dropdown:hover .dropdown-content{
            display: block;
        }

    </style>
</head>
<body>
   <div class="page">
       <ul class="nav">
           <li>首頁(yè)</li>
           <li class="dropdown">新聞
               <ul class="dropdown-content">
                   <li>國(guó)際新聞</li>
                   <li>國(guó)內(nèi)新聞</li>
               </ul>
           </li>
           <li>產(chǎn)品</li>
           <li>聯(lián)系我們</li>
       </ul>
   </div>
</body>
</html>

效果圖QQ截圖20190615115900.jpg

總結(jié):

設(shè)置下拉菜單的display屬性為隱藏,通過(guò)li的hover,更改下拉菜單的display屬性為block;


Correcting teacher:天蓬老師Correction time:2019-06-15 17:10:46
Teacher's summary:下拉菜單的實(shí)現(xiàn)手段很多的, 用腳本 是最方便的, 用css來(lái)做也可以

Release Notes

Popular Entries