Animated spring

1,507 byby.createsite

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Mola animada</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            background: black;
            font: monospace;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-sizing: border-border;
            width: 100vw;
            height: 100vh;
            overflow: hidden;
        }
        .circle {
        width: 120px;
        height: 120px;
        border: 2px solid #fff; 
        border-radius: 50%;
        background: transparent; 
        box-shadow: 
            0 0 15px 3px rgba(255, 255, 255, 1), 
            0 6px 2px rgba(0, 0, 0, 0.4), 
            inset 0 0 1px rgba(255, 255, 255, 0.7);
        transform: perspective(600px) rotateX(60deg); 
        position: absolute;
    }

.circle:nth-child(1) { animation-delay: -0.55s; }
        .circle:nth-child(2) { animation-delay: -0.50s; }
        .circle:nth-child(3) { animation-delay: -0.45s; }
        .circle:nth-child(4) { animation-delay: -0.40s; }
        .circle:nth-child(5) { animation-delay: -0.35s; }
        .circle:nth-child(6) { animation-delay: -0.30s; }
        .circle:nth-child(7) { animation-delay: -0.25s; }
        .circle:nth-child(8) { animation-delay: -0.20s; }
        .circle:nth-child(9) { animation-delay: -0.1s; }
        .circle{
            animation: circleAnimation 1.2s linear alternate-reverse infinite;
            transform-origin: 180px;
        }
        @keyframes circleAnimation{
            0%{
                transform: rotateX(60deg) rotateY(0) translateX(0);  
            }
            5%{
                transform: rotateX(60deg) rotateY(0) translateX(0);  
            }
            895%{
                transform: rotateX(60deg) rotateY(180deg) translateX(1px);  
            }
            100%{
                transform: rotateX(60deg) rotateY(180deg) translateX(1px);  
            }
        }
    </style>
</head>
<body>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
    <div class="circle"></div>
</body>
</html>

CSS

Animated spring

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