<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
.box{
width: 200px;
height: 200px;
border: 2px dashed red;
margin: 100px auto;
position: relative;
transform: rotateX(19deg) rotateY(20deg);
transform-style: preserve-3d;
border-radius: 50%;
animation: boxMove 50s linear;
}
.box>div{
width: 200px;
height: 200px;
font-size: 80px;
position: absolute;
left: 0;
top: 0;
/* line-height ---调节字体高度 */
text-align: center;
line-height: 200px;
}
.box .front{
background-color: rgba(255,0,0,0.4);
transform: translateZ(100px);
}
.box .back{
background-color: rgba(0,244,0,0.6);
transform: translateZ(-100px)
}
.box .up{
background-color:rgba(0,255,255,0.6);
transform-origin: top;
transform: translateZ(-100px) rotateX(90deg);
}
.box .down{
background-color: rgba(255,255,0,0.6);
transform-origin: bottom;
transform: translateZ(-100px) rotateX(-90deg);
}
.box .left{
background-color: rgba(0,0,255,0.4);
transform-origin: left;
transform: translateZ(-100px) rotateY(-90deg);
}
.box .right{
background-color: rgba(255,0,255,0.4);
transform-origin: right;
transform:translateZ(-100px) rotateY(90deg);
}
@keyframes boxMove{
0%{
}
100%{
transform: rotateX(720deg) rotateY(720deg);
}
}
</style>
</head>
<body>
<div class="box">
<div class="up">上</div>
<div class="down">下</div>
<div class="left">左</div>
<div class="right">右</div>
<div class="front">前</div>
<div class="back">后</div>
</div>
</body>
</html>