console
<!DOCTYPE html>
<html lang="ch">
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="">
</head>
<body>
<div class="main">
<div class="wave"></div>
</div>
</body>
</html>
*{
margin: 0;
padding: 0;
}
body{
height: 100vh;
background: linear-gradient(rgb(95,95,250)
100%,rgb(3,3,110));
}
.main{
width: 200px;
height: 200px;
border: 3px solid darkturquoise;
border-radius: 50%;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
padding: 10px;
}
.wave{
width: 200px;
height: 200px;
background: darkturquoise;
border-radius: 50%;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
overflow: hidden;
}
.wave::after{
content: "";
width: 300px;
height: 300px;
background: rgba(255,255,255,0.8);
position: absolute;
left: 50%;
top: 0;
transform: translate(-50%,-60%);
border-radius: 40%;
animation: wave 5s linear infinite;
}
@keyframes wave{
100%{
transform: translate(-50%,-60%) rotate(360deg);
}
}