body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: radial-gradient(circle, #1976d2, #0c0c0c);
    font-family: 'Arial', sans-serif;
    color: white;
}

.container {
    text-align: center;
    padding: 20px;
}

.lock-icon {
    width: 250px;
    height: auto;
    margin-bottom: 20px;
}

h1 {
    font-size: 3em;
    font-weight: bold;
    text-shadow:
        1px 1px 2px rgba(0, 0, 0, 0.25),
        2px 2px 4px rgba(0, 0, 0, 0.25),
        3px 3px 8px rgba(0, 0, 0, 0.25),
        4px 4px 16px rgba(0, 0, 0, 0.25);
    position: relative;
    animation: float 3s ease-in-out infinite;
}

/* Animation for floating effect */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Media Query for Mobile Devices */
@media (max-width: 600px) {
    .lock-icon {
        width: 100px;
        height: