CSS3 太极
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
}
.box {
width: 500px;
height: 500px;
background-color: skyblue;
border: 1px solid #000;
margin: 0 auto;
margin-top: 100px;
position: relative;
overflow: hidden;
}
.wrap {
width: 400px;
height: 400px;
border-radius: 50%;
position: absolute;
left: 0;
top: 0;
bottom: 0;
right: 0;
margin: auto;
box-shadow: 0px 0px 10px 10px #fff;
animation: rotate 10s linear 0s infinite normal;
}
@keyframes rotate {
from{
transform: rotateZ(0deg);
}
to{
transform: rotateZ(360deg);
}
}
.top {
width: 400px;
height: 200px;
box-sizing: border-box;
background-color: #fff;
border-top-left-radius: 200px 200px;
border-top-right-radius: 200px 200px;
}
.bottom {
width: 400px;
height: 200px;
background-color: #000;
border-bottom-left-radius: 200px 200px;
border-bottom-right-radius: 200px 200px;
}
.left, .right {
width: 200px;
height: 200px;
box-sizing: border-box;
border-radius: 50%;
}
.left {
position: absolute;
left: 0;
top: 100px;
background-color: #fff;
border: 50px solid #000;
}
.right {
position: absolute;
right: 0;
top: 100px;
background-color: #000;
border: 50px solid #fff;
}
</style>
</head>
<body>
<div class="box">
<div class="wrap">
<div class="top"></div>
<div class="bottom"></div>
<div class="left"></div>
<div class="right"></div>
</div>
</div>
</body>
</html>
