.flip-wrapper {
    -webkit-transition: 0.6s;
    -webkit-transform-style: preserve-3d;

    -moz-transition: 0.6s;
    -moz-transform-style: preserve-3d;

    -o-transition: 0.6s;
    -o-transform-style: preserve-3d;

    transition: 0.6s;
    transform-style: preserve-3d;

    position: relative;
    height: 200px;
    width: 200px;
}

.flip-wrapper.flipped {
    -webkit-transform: rotateX(180deg);
    -moz-transform: rotateX(180deg);
    -o-transform: rotateX(180deg);
    transform: rotateX(180deg);
}

.flip-wrapper .front,
.flip-wrapper .back {
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -o-backface-visibility: hidden;
    backface-visibility: hidden;

    position: absolute;
    top: 0;
    left: 0;
    height: 200px;
    width: 200px;
}

.front {
    z-index: 2;
}

.back {
    -webkit-transform: rotateX(180deg);
    -moz-transform: rotateX(180deg);
    -o-transform: rotateX(180deg);
    transform: rotateX(180deg);
}

.back .quote {
    position: absolute;
    height: 200px;
    width: 200px;
}