css3透视perspective,3D图(3D长方体)

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin:0;
padding:0;
}
body{
background-color:#ccc;
}
.cube{
margin:100px auto;
width:200px;
height:200px;
perspective: 250px;
-webkit-perspective: 250px;
transform-style:preserve-3d;/*指定元素的子元素在3D空间内定位*/
-webkit-transform-style:preserve-3d;
perspective-origin: -100% -50%;/*指定用户从哪个方向看过来*/
-webkit-perspective-origin: -100% -50%;
}
.cube div{
display:block;
position:absolute;
width:100px;
height:100px;
line-height:100px;
font-size:30px;
text-align:center;
}
.front{
border:none;
background:rgba(0, 0, 0, 0.3);
transform:translateZ(50px);
-webkit-transform:translateZ(50px);
}
.back{
background:rgba(0, 225, 0, 1);
transform:translateZ(-50px);
-webkit-transform:translateZ(-50px);
}
.right{
background:rgba(196, 0, 0, 0.7);
transform:rotateY(90deg) translateZ(50px);
-webkit-transform:rotateY(90deg) translateZ(50px);
}
.left{
background:rgba(0, 0, 196, 0.7);
transform:rotateY(-90deg) translateZ(50px);
-webkit-transform:rotateY(-90deg) translateZ(50px);
}
.top{
background:rgba(196, 196, 0, 0.7);
transform:rotateX(90deg) translateZ(50px);
-webkit-transform:rotateX(90deg) translateZ(50px);
}
.bottom{
background:rgba(196, 0, 196, 0.7);
transform:rotateX(90deg) translateZ(50px);
-webkit-transform:rotateX(-90deg) translateZ(50px);
}
</style>
</head>
<body>
<div class="cube">
<div class="front">1</div>
<div class="back">2</div>
<div class="right">3</div>
<div class="left">4</div>
<div class="top">5</div>
<div class="bottom">6</div>
</div>
</body>
</html>