body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f2f2f2;
}

.countdown {
    display: flex;
    background-color: #333;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.5);
    color: white;
}

.time-segment {
    text-align: center;
    margin: 0 10px;
}

.digits {
    font-size: 2em;
    font-weight: bold;
}

.label {
    font-size: 1em;
}