相关属性：
1./* transform-style: flat(2D) preserve-3d(3D)*/
/* 在父元素中添加 transform-style来启用3D空间 */
2.transform属性，旋转（rotate）、平移（translate）
父元素样式：
子元素样式：
代码：
<!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>Document</title>
<style>
body{
margin: 0;
padding: 200px;
background-image: url(../images/grid.png);
}
.box{
position: relative;
width: 100px;
height: 100px;
background-color: red;
/* transform-style: flat(2D) preserve-3d(3D)*/
/* 在父元素中添加 transform-style来启用3D空间 */
transform-style: preserve-3d;
transform: rotateX(-33.5deg) rotateY(45deg);
}
.item{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
.top {
background-color: rgb(212, 163, 163,0.4);
transform: rotateX(90deg) translateZ(50px);
}
.bottom {
background-color:rgb(136, 248, 211,0.4);
transform: rotateX(-90deg) translateZ(50px);
}
.left {
background-color:rgba(199, 158, 231, 0.4);
transform: rotateY(-90deg) translateZ(50px);
}
.right {
background-color:rgba(231, 158, 192, 0.4);
transform: rotateY(90deg) translateZ(50px);
}
.front {
background-color:rgba(121, 111, 218, 0.651);
transform: translateZ(50px);
}
.back {
background-color:rgba(111, 218, 134, 0.651);
transform: translateZ(-50px);
}
</style>
</head>
<body>
<!-- 父元素 -->
<div class="box">div11111111
<!-- 子元素 -->
<div class="item left">5</div>
<div class="item right">6</div>
<div class="item top">1</div>
<div class="item bottom">2</div>
<div class="item front">3</div>
<div class="item back">4</div>
<!--
-->
</div>
</body>
</html>
