#countdown {
    font-size: 24px;
    color: #333;
    margin-top: 30px;
}

#countdown span {
    display: inline-block;
    margin: 0 10px;
    padding: 10px;
    background-color: #ff6b6b;
    color: #fff;
    border-radius: 5px;
}

.tick {
    padding-bottom: 1em;
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.tick-label {
    font-size: .375em;
    text-align: center;
}

.tick-group {
    margin: 0 .25em;
    text-align: center;
}