body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    font-family: Arial;
}

.clock-box {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 30px #0005;
}

h1 {
    color: #333;
}

#clock {
    font-size: 60px;
    font-weight: bold;
    color: #1e3c72;
}

#date {
    font-size: 20px;
}