前端ABC<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
#container{height: 200px;width: 200px;border-radius: 202px;box-shadow: 0 0 4px #666666;margin: 100px auto;
background: linear-gradient(90deg,black 50%,white 50%);}
#top,#bottom{height: 75px;width: 100px;padding-top:25px;margin: 0 auto;border-radius: 100px}
#inner1,#inner2{height:50px;width: 50px;margin: 0 auto;border-radius: 50px; }
#inner1{background: black}
#inner2{background: white}
#top{background: white}
#bottom{background: black}
@keyframes bonce{
0%{transform: rotate(0deg)}
100%{transform: rotate(360deg)}
}
#container{animation-name: bonce;animation-duration: 5s;animation-iteration-count: 100;animation-timing-function: linear;}
</style>
</head>
<body>
<div id="container">
<div id="top">
<div id="inner1"></div>
</div>
<div id="bottom">
<div id="inner2"></div>
</div>
</div>
</body>
</html>
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