Saksham Digital Technology - Coding Institute

wavy circle animation

https://youtube.com/shorts/tUQUvJ3_e5M?si=p1futTTrjkNhKjPD

HTML CODE:-

<!DOCTYPE html>
<html>
<head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title></title>
</head>
<body>
<div class="container">
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
</div>
</body>
</html>

CSS CODE:-

body{
            padding: 0px;
            margin: 0px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            background: black;
        }
        .container{
            position: relative;
            width: 300px;
            height: 300px;
            transform-style: preserve-3d;
            transform: perspective(500px) rotateX(60deg);
        }
        span{
            display: block;
            position: absolute;
            border: 3px solid white;
            border-radius: 50%;
            animation: animate 3s ease-in-out infinite;
        }
        @keyframes animate{
            0%{
                transform: translateZ(-100px);
            }
            50%{
                transform: translateZ(100px);
            }
            100%{
                transform: translateZ(-100px);
            }
        }
        span:nth-child(1){
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            animation-delay: 1.4s;
        }
        span:nth-child(2){
            top: 10px;
            left: 10px;
            bottom: 10px;
            right: 10px;
            animation-delay: 1.3s;
        }
        span:nth-child(3){
            top: 20px;
            left: 20px;
            bottom: 20px;
            right: 20px;
            animation-delay: 1.2s;
        }
        span:nth-child(4){
            top: 30px;
            left: 30px;
            bottom: 30px;
            right: 30px;
            animation-delay: 1.1s;
        }
        span:nth-child(5){
            top: 40px;
            left: 40px;
            bottom: 40px;
            right: 40px;
            animation-delay: 1.0s;
        }
        span:nth-child(6){
            top: 50px;
            left: 50px;
            bottom: 50px;
            right: 50px;
            animation-delay: 0.9s;
        }
        span:nth-child(7){
            top: 60px;
            left: 60px;
            bottom: 60px;
            right: 60px;
            animation-delay: 0.8s;
        }
        span:nth-child(8){
            top: 70px;
            left: 70px;
            bottom: 70px;
            right: 70px;
            animation-delay: 0.7s;
        }
        span:nth-child(9){
            top: 80px;
            left: 80px;
            bottom: 80px;
            right: 80px;
            animation-delay: 0.6s;
        }
        span:nth-child(10){
            top: 90px;
            left: 90px;
            bottom: 90px;
            right: 90px;
            animation-delay: 0.5s;
        }
        span:nth-child(11){
            top: 100px;
            left: 100px;
            bottom: 100px;
            right: 100px;
            animation-delay: 0.4s;
        }
        span:nth-child(12){
            top: 110px;
            left: 110px;
            bottom: 110px;
            right: 110px;
            animation-delay: 0.3s;
        }
        span:nth-child(13){
            top: 120px;
            left: 120px;
            bottom: 120px;
            right: 120px;
            animation-delay: 0.2s;
        }
        span:nth-child(14){
            top: 130px;
            left: 130px;
            bottom: 130px;
            right: 130px;
            animation-delay: 0.1s;
        }
        span:nth-child(15){
            top: 140px;
            left: 140px;
            bottom: 140px;
            right: 140px;
            animation-delay: 0s;
        }