html5--6-57 阶段练习6-折叠导航栏

实例

html5--6-57 阶段练习6-折叠导航栏-LMLPHP

 @charset="UTF-8";

 *{

     margin:;

     padding:;

 }

 h3+div{

     height:;

     overflow: hidden;

     transition: all 1s ease;

 }

 a{

     text-decoration: none;

 }

 .se{

     width: 200px;

     float: left;

     background: rgba(180,60,30,0.3);

     margin-top:3px;

     margin-left: 20px;

 }

 h3{

     background: rgba(180,80,30,0.8);

     padding: 5px 25px;

     border-radius: 20px;

 }

 .se:hover h3+div {

     height: 350px;

     overflow: auto;

 }

 <!DOCTYPE html>

 <html lang="zh-cn">

 <head>

     <meta charset="UTF-8">

     <title>折叠导航栏</title>

     <link rel="stylesheet" type="text/css" href="but.css">

 </head>

 <body>

     <div class="se">

         <h3><a href="">IT</a></h3>

         <div><img src="../img/IT.png" alt=""></div>

     </div>

     <div class="se">

         <h3><a href="">创投</a></h3>

         <div><img src="../img/创投.png" alt=""></div>

     </div>

     <div class="se">

         <h3><a href="">探索</a></h3>

         <div><img src="../img/探索.png" alt=""></div>

     </div>

 </body>

 </html>