body {
    background-color: #2c3e50;
    color: #ecf0f1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.clock-container {
    background: rgba(0, 0, 0, 0.2);
    padding: 40px 60px;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

#clock {
    font-family: 'Courier New', Courier, monospace;
    font-size: 5rem;
    font-weight: bold;
    letter-spacing: 5px;
    text-shadow: 0 0 10px rgba(236, 240, 241, 0.5);
}

@media (max-width: 600px) {
    #clock {
        font-size: 3rem;
        padding: 20px 30px;
    }
}