.countdown-item {
    display: inline-block;
    margin-right: 10px;
    text-align: center;
    
}

.countdown-item span {
    display: block;
    font-size: 20px;
    font-weight: bold;
}

.countdown-item span:first-child {
    font-size: 30px;
}

.countdown-item span:last-child {
    font-size: 11px;
}