<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3D导航栏</title>
<style>
* {
margin: 0;
padding: 0;
}
ul {
margin: 200px 100px;
/* 添加透视距离 */
perspective: 400px;
}
ul li {
list-style: none;
float: left;
width: 180px;
height: 40px;
margin: 5px;
}
.box {
width: 100%;
height: 100%;
/* background-color: pink; */
font-size: 30px;
color: #000;
position: relative;
transition: all .4s;
/* 保留子元素的3d效果 必写 */
transform-style: preserve-3d;
}
.box:hover {
transform: rotateX(90deg);
}
li .child {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
}
li .bottom {
background-color: purple;
color: white;
/* 我们如果有移动和其他样式，必须先写移动translate */
transform: translateY(50%) rotateX(-90deg);
}
li .front {
z-index: 1;
background-color: pink;
transform: translateZ(20px);
}</style>
</head>
<body>
<ul>
<li>
<div class="box">
<div class="child front">黑马程序员</div>
<div class="child bottom">pink老师等你</div>
</div>
</li>
<li>
<div class="box">
<div class="child front">黑马程序员</div>
<div class="child bottom">pink老师等你</div>
</div>
</li>
<li>
<div class="box">
<div class="child front">黑马程序员</div>
<div class="child bottom">pink老师等你</div>
</div>
</li>
<li>
<div class="box">
<div class="child front">黑马程序员</div>
<div class="child bottom">pink老师等你</div>
</div>
</li></ul>
</body>
</html>
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