Expanding Stars Background

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Expanding Stars Background</title>
    <style>
        body, html {
            margin: 0;
            padding: 0;
            overflow: hidden;
            height: 100%;
            background: #000;
        }
        .star {
            position: absolute;
            width: 10px;
            height: 10px;
            background: #ffff00;
            border-radius: 50%;
            animation: expand 3s infinite;
        }
        @keyframes expand {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(3); }
        }
    </style>
</head>
<body>
    <script>
        for (let i = 0; i < 50; i++) {
            const star = document.createElement('div');
            star.className = 'star';
            star.style.left = `${Math.random() * 100}%`;
            star.style.top = `${Math.random() * 100}%`;
            star.style.animationDuration = `${Math.random() * 3 + 2}s`;
            document.body.appendChild(star);
        }
    </script>
</body>
</html>

Expanding Stars Background - MeggiTools