导航背景转化动画效果
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>制作3D旋转导航</title>
<style>
*{margin:0;padding:0;}
ul{list-style:none;}
.clearfix{zoom:1;}
.clearfix:after{content:'\20';display:block;height:0;clear:both;}
.nav{
width:950px;
margin:50px auto 0;
background:#74ADAA;
}
.nav li{
float:left;
border-right:1px solid #fff;
position:relative;
height:50px;
overflow:hidden;
}
.nav li a{
display:block;
width:100px;
height:50px;
line-height:50px;
text-align:center;
color:#fff;
font-size:20px;
text-decoration:none;
text-transform:capitalize;
}
.nav li span a{
transform:rotatex(-90deg);
transition:all .3s ease-in;
transform-origin:0 0;
}
.nav li:hover span a{transform:rotatex(0deg) translatey(-50px);background:#f00;}
</style>
</head>
<body>
<ul class="nav clearfix">
<li>
<a href="#">home</a>
<span><a href="#">test</a></span>
</li>
<li>
<a href="#">html5</a>
<span><a href="#">test</a></span>
</li>
</ul>
</body>
</html>
