CSS婚礼策划服务机构宣传网站模板

CSS婚礼策划服务机构宣传网站模板是一款适合提供婚礼策划和婚庆服务机构宣传网站模板下载。提示：本模板调用到谷歌字体库，可能会出现页面打开比较缓慢。

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代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Concentric Circle Coil Animation</title>
    <style>
        body {
            margin: 0;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #000000; /* Black background for contrast */
        }

        .coil-container {
            position: relative;
            width: 300px;
            height: 300px;
        }

        .coil-circle {
            position: absolute;
            border: 2px solid white; /* White circles */
            border-radius: 50%;
            opacity: 0; /* Start invisible */
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(0); /* Start small */
                opacity: 0; /* Fade out */
            }
            50% {
                transform: scale(1); /* Scale to full size */
                opacity: 1; /* Fade in */
            }
        }
    </style>
</head>
<body>
    <div class="coil-container"></div>

    <script>
        const container = document.querySelector('.coil-container');
        const numberOfCircles = 20; // Number of concentric circles
        const baseSize = 30; // Base size for the smallest circle

        // Create concentric circles
        for (let i = 0; i < numberOfCircles; i++) {
            const circle = document.createElement('div');
            circle.classList.add('coil-circle');
            const size = baseSize + i * 20; // Increase size for each circle
            circle.style.width = `${size}px`;
            circle.style.height = `${size}px`;
            circle.style.top = `50%`;
            circle.style.left = `50%`;
            circle.style.marginTop = `-${size / 2}px`; // Center vertically
            circle.style.marginLeft = `-${size / 2}px`; // Center horizontally
            circle.style.animationDelay = `${i * 0.2}s`; // Stagger animation
            container.appendChild(circle);
        }
    </script>
</body>
</html>