.timerDiv {
    display: inline-block;
    line-height: 1;
}

.timerDiv span {
    text-align: right;
    display: block;
    font-size: 12px;
    color: white;
}

#days {
    font-size: 30px;
    color: #db4844;
}

#hours {
    font-size: 30px;
    color: #f07c22;
}

#minutes {
    font-size: 30px;
    color: #f6da74;
}

#seconds {
    font-size: 30px;
    color: #abcd58;
}

@media (max-width: 640px) {

    #days,
    #hours,
    #minutes,
    #seconds {
        font-size: 20px;
    }
}