圆点围绕圆旋转---css3

<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="ie=edge" />
	<title>Document</title>
	<style type="text/css">
		*{
			margin: 0;
			padding: 0;
		}
		.box{
			position: relative;
			width: 300px;
			height: 300px;
			border: 5px solid deepskyblue;
			border-radius: 50%;
		}
		.box i{
			display: block;
			width: 300px;
			height: 300px;
			position: absolute;
			left: -10px;
			top: -10px;
			border-radius: 50%;
			border: 10px solid transparent;
			/*旋转*/
			animation:circleRoate 10s ;
			animation-timing-function:linear;
			
		}
		.box i span{
			position: absolute;
			left: 239px;
			top: 24px;
			width: 10px;
			height: 10px;
			border-radius: 50%;
			background: dodgerblue;
		}
		@keyframes circleRoate{
			from{transform: rotate(0deg) infinite;}
			to{transform: rotate(360deg);}
		}
	</style>
</head>
<body>
	<div class="box">
		<i><span></span></i>
	</div>
</body>
</html>

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转载自blog.csdn.net/zx_p24/article/details/77506438