.promotion-countdown{
    margin-bottom: 50px;
}
#countDown{
    text-align: center;
}
#countDown div{
    display: inline-block;
    margin: 0 10px;
    position: relative;
    cursor: pointer;
}
#countDown span{
    color: #fff;
    background: #000;
    border: 1px solid #000;
    border-radius: 50%;
    height: 60px;
    width: 60px;
    display: flex;
    align-items: center;
    place-content: center;
    font-size: 20px;
}
#countDown sub{
    position: absolute;
    top: 130%;
    font-size: 15px;
}
.countDown-days sub{
    left: 17%;
}
.countDown-hours sub{
    left: 25%;
}
.countDown-minutes sub, .countDown-seconds sub{
    left: 20%;
}