.counter__num {
    text-align: center;
    margin-bottom: 10px
}

.counter__num_text {
    display: block;
    margin-bottom: 5px;
    font-size: 14px
}

.counter__num_item {
    display: inline-block;
    width: 50px;
    height: 35px;
}

.counter__hour,
.counter__min,
.counter__sec {
    font: 43px/45px Roboto, sans-serif;
    color: #000;
    vertical-align: middle;
    display: inline-block;
    width: 50px;
    margin: 0 14.5px;
    position: relative;
    font-weight: 700;
}

.counter__hour:after,
.counter__min:after{
    position: absolute;
    content: ":";
    top: 0px;
    right: -20px;
    font: 43px/45px Roboto, sans-serif;
    color: #000;
    font-weight: 700;
}

.header__counter {
    position: relative
}

.header__counter.text-bottom {
    display: none;
}

@media (max-width: 601px){
    .counter__hour,
    .counter__min,
    .counter__sec {
        font: 40px/65px Roboto, sans-serif;
        margin: 0 4.5px;
    }

    .counter__hour:after,
    .counter__min:after{
        font: 40px/65px Roboto, sans-serif;
        top: 0px;
        right: -10px;
    }
}