.flip-card {
    perspective: 1000px;
    cursor: pointer;
}
.flip-card-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
    -webkit-transition: transform 0.6s;
    -moz-transition: transform 0.6s;
    -ms-transition: transform 0.6s;
    -o-transition: transform 0.6s;
}
.flip-card:hover .flip-card-inner{
    transform: initial;
    -webkit-transform: initial;
    -moz-transform: initial;
    -ms-transform: initial;
    -o-transform: initial;
}
.flip-card-front, .flip-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.flip-card-back {
    transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    -ms-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
}

@media (min-width: 768px) {
    /* .flip-card:hover .flip-card-inner {
        transform: rotateY(180deg);
        -webkit-transform: rotateY(180deg);
        -moz-transform: rotateY(180deg);
        -ms-transform: rotateY(180deg);
        -o-transform: rotateY(180deg);
    } */
}