.card {
    -webkit-transition: -webkit-transform 1s;
       -moz-transition: -moz-transform 1s;
         -o-transition: -o-transform 1s;
            transition: transform 1s;

    -webkit-transform-style: preserve-3d;
       -moz-transform-style: preserve-3d;
         -o-transform-style: preserve-3d;
            transform-style: preserve-3d;
}

.card.flipped {
    -webkit-transform: rotateY( 180deg );
       -moz-transform: rotateY( 180deg );
         -o-transform: rotateY( 180deg );
            transform: rotateY( 180deg );
}

.card figure {
    display: block;
    position: absolute;

    height: 100%;
    width: 100%;

    -webkit-backface-visibility: hidden;
       -moz-backface-visibility: hidden;
         -o-backface-visibility: hidden;
            backface-visibility: hidden;
}

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