body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to bottom, #001f3f, #003366);
    color: white;
    font-family: Arial, sans-serif;
}

#countdown-container{
    position: absolute;
    top: 50%;
    transform: translate(0%, -50%);
    font-size: 4em;
    color: white;
}