body {
    background-image: linear-gradient(darkblue, lightblue);
    margin: 0;
    font-family: Arial, sans-serif;
}

.center {
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 20px;
}

#clock {
    font-size: 40px;
    background-color: orange;
    padding: 20px 50px;
    margin-top: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease;
}

#clock:hover {
    background-color: darkorange;
}

@media (max-width: 600px) {
    #clock {
        font-size: 30px;
        padding: 15px 30px;
    }
    
    .center {
        padding: 10px;
    }
}