#del-countdown {
    width: 150px;
}

#clock span {
    float: left;
    text-align: center;
    font-weight: bold;
    margin: 0 2.5%;
    color: #000;
    background: #fff;
    padding: 0 5px ;
    border-radius: 0;
    box-sizing: border-box;
    font-size: 15px;
    line-height: 25px;
    height: 25px;
    width: 30px;
    border-radius: 3px;
    position: relative;

}
#clock span:after{
    position: absolute;
    right: -7px;
    content: ':';
    font-size: 20px;
    color: #fff;
}
#clock span:last-child:after{
    content: '';
}
@media only screen and (min-width: 768px){

    #del-countdown {
        width: 200px;
    }
    #clock span{
        font-size: 22px;
        line-height: 30px;
        height: 30px;
        width: 40px;
    }

    #clock span:after{
        right: -8px;
    }
}
#clock:after {
    content: "";
    display: block;
    clear: both;
}

#units span {
    float: left;
    width: 25%;
    text-align: center;
    margin-top: 5px;
    color: #D7DBDD;
    font-size: 13px;
    letter-spacing: 2px;
    text-shadow: 1px 1px 1px rgba(10, 10, 10, 0.7)
}

span.turn {
    /*animation: turn 0.5s ease forwards;*/
}

@keyframes turn {
    0% {
        transform: rotateY(0deg)
    }

    100% {
        transform: rotateY(360deg)
    }
}