实现效果：
https://vicfun.github.io/vs-demo/taichi.html
代码部分：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
<style>
@keyframes spin {
from {
transform: rotate(0deg); /*让太极以0度开始转变*/
}
to {
transform: rotate(360deg) /*让太极以360度结束转变*/
}
}
body{
background: rgb(205,179,128);
}
#taichi{
margin: 0 auto;
width: 200px;
height: 200px;
border-radius: 50%;
background: linear-gradient(to bottom, #ffffff 0%,#fcfcfc 50%,#050505 50%,#000000 99%);
position: relative;
animation-duration: 3s; /*让太极的旋转速度为3s*/
animation-name: spin; /*css动画 animation*/
animation-iteration-count: infinite; /*让太极无数次旋转*/
animation-timing-function: linear; /*让太极以线性速度旋转*/
}
#taichi::before{
content: '';
border-radius: 50%;
position: absolute;
top: 50px;
left: 0;
background: #fff;
width: 20px;
height: 20px;
border: 40px solid #000;
}
#taichi::after{
content: '';
border-radius: 50%;
position: absolute;
top: 50px;
right: 0;
background: #000;
width: 20px;
height: 20px;
border: 40px solid #fff;
}
</style>
</head>
<body>
<div id= "taichi"></div>
</body>
</html>
