CSS实现3D切换功能的代码示例-木庄网络博客

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<!DOCTYPE html>
<html>
<head>
    <title>Demo</title>
  <style>
       #app{
           width: 100px;
           height: 35px;
           background-color: #006600;
           text-align: center;
           line-height: 35px;
           position: relative;
           transform-style: preserve-3d;
           transition: all 0.3s linear;
       }
       #app:hover{
           transform: rotateX(90deg);
           transition: all 0.3s linear;
           -webkit-transform-origin: 50% 0;
       }
       #app:before{
           position: absolute;
           top: 100%;
           left: 0;
           content: attr(data-hover);
           width: 100px;
           height: 35px;
           transform: rotateX(-90deg);
           transition: all 0.3s linear;
           transform-origin: 50% 0;
           text-align: center;
           line-height: 35px;
            background-color: red;
       }
    </style>
  
<div>
    <div id="app" data-hover="asdasdasd">
        asdasdasd
    </div>
</div>
</body>
</html>