<meta charset="UTF-8">
<title>2-5</title>
<style type="text/css">
div {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
box-sizing: border-box;
width: 400px;
height: 400px;
margin: auto;
border: 1px solid red;
border-bottom: 200px solid red;
border-radius: 50%;
transform-origin: 50% 50%;
animation-name: rotate;
animation-duration: 5s;
animation-timing-function: linear;
/*此处写代码*/
}
div::before{
width: 20px;
height: 20px;
background: #fff;
position: absolute;
content: "";
/*display: block;*/
border: 90px solid red;
border-radius: 50%;
left: 0px;
top: 115px;
}
div::after{
width: 20px;
height: 20px;
position: absolute;
background: red;
content: "";
/*display: block;*/
border: 90px solid white;
border-radius: 50%;
right: 1px;
top: 85px;
}
</style>
<div></div>