loading.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Loading...</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            font-family: Arial, sans-serif;
            background-color: #222;
            color: #fff;
        }
        h1 {
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 0.5; }
            50% { opacity: 1; }
            100% { opacity: 0.5; }
        }
    </style>
</head>
<body>
    <h1>Loading...</h1>
</body>
</html>