<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>太极图</title>
<style type="text/css" media="screen">
#a{
width: 300px;
height: 600px;
border: 1px solid black;
background: white;
border-right: 300px solid black;
border-radius: 50%;
}
#a::before{
content: '';
display: block;
/* 300/3 */
width: 100px;
height: 100px;
background: white;
border: 100px solid black;
border-radius: 50%;
margin-left: 150px;
}
#a::after{
content: '';
display: block;
width: 100px;
height: 100px;
background: black;
border: 100px solid white;
border-radius: 50%;
margin-left: 150px;
}
</style>
</head>
<body>
<div id='a'>
</div>
</body>
</html>CSS画太极图
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转载自blog.csdn.net/qq_34608447/article/details/88741012
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