代码示例：（标识：eg_css3_transform-style）
<!DOCTYPE html>
<html>
<head>
<style>
#div1
{
position: relative;
height: 200px;
width: 200px;
margin: 100px;
padding:10px;
border: 1px solid black;
}
#div2
{
padding:50px;
position: absolute;
border: 1px solid black;
background-color: red;
transform: rotateY(60deg);
transform-style: preserve-3d;
-webkit-transform: rotateY(60deg); /* Safari and Chrome */
-webkit-transform-style: preserve-3d; /* Safari and Chrome */
}
#div3
{
padding:40px;
position: absolute;
border: 1px solid black;
background-color: yellow;
transform: rotateY(80deg);
-webkit-transform: rotateY(-60deg); /* Safari and Chrome */
}
</style>
</head>
<body>
<div id="div1">
<div id="div2">HELLO
<div id="div3">YELLOW</div>
</div>
</div>
</body>
</html>
