Css实现圆形动态波浪

效果图
<!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>
        div {
            position: relative;
            align-items: center;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background-color: #12FFBE;
            overflow: hidden;
            z-index:100;
            border: 6px solid #c6ffed;
        }

        div:before,
        div:after {
            content: "";
            position: absolute;
            left: 50%;
            min-width: 300vw;
            min-height: 300vw;
            background-color: #fff;
            -webkit-animation-name: rotate;
            animation-name: rotate;
            -webkit-animation-iteration-count: infinite;
            animation-iteration-count: infinite;
            -webkit-animation-timing-function: linear;
            animation-timing-function: linear;
        }

        div:before {
            bottom: 20%;
            border-radius: 45%;
            -webkit-animation-duration: 10s;
            animation-duration: 10s;
        }

        div:after {
            bottom: 10%;
            opacity: .5;
            border-radius: 47%;
            -webkit-animation-duration: 10s;
            animation-duration: 10s;
        }

        @-webkit-keyframes rotate {
            0% {
                -webkit-transform: translate(-50%, 0) rotateZ(0deg);
                transform: translate(-50%, 0) rotateZ(0deg);
            }
            50% {
                -webkit-transform: translate(-50%, -2%) rotateZ(180deg);
                transform: translate(-50%, -2%) rotateZ(180deg);
            }
            100% {
                -webkit-transform: translate(-50%, 0%) rotateZ(360deg);
                transform: translate(-50%, 0%) rotateZ(360deg);
            }
        }

        @keyframes rotate {
            0% {
                -webkit-transform: translate(-50%, 0) rotateZ(0deg);
                transform: translate(-50%, 0) rotateZ(0deg);
            }
            50% {
                -webkit-transform: translate(-50%, -2%) rotateZ(180deg);
                transform: translate(-50%, -2%) rotateZ(180deg);
            }
            100% {
                -webkit-transform: translate(-50%, 0%) rotateZ(360deg);
                transform: translate(-50%, 0%) rotateZ(360deg);
            }
        }

  
    </style>
</head>

<body>
    <div></div>
</body>

</html>