来自：https://blog.csdn.net/qq_38658877/article/details/78092649 侵删
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style type="text/css">
.container{
position: relative;
width: 100px;
height: 100px;
margin: 0 auto;
}
.dot{
position: absolute;
left: 15px;
top:15px;
width:6px;
height: 6px;
border-radius: 50%;
}
.wave{
position: absolute;
left: 2px;
top: 2px;
width: 24px;
height: 24px;
border: 6px solid red;
border-radius: 50%;
opacity: 0;
animation: waveCircle 3s ease-out;
animation-iteration-count: infinite;
}
@-webkit-keyframes waveCircle {
0%{
transform: scale(0);
opacity: 0;
}
10%{
transform: scale(0.1);
opacity: 0.1;
}
20%{
transform: scale(0.2);
opacity: 0.2;
}
30%{
transform: scale(0.3);
opacity: 0.3;
}
75%{
transform: scale(0.6);
opacity: 0.5;
}
100%{
transform: scale(1);
opacity: 0;
}
}
</style>
</head>
<body>
<div class="container">
<div class="dot"></div>
<div class="wave"></div>
</div>
</body>
</html>