/* +++++ BEGINN flipper +++++ */
/* entire container, keeps perspective */
.flip-container {
perspective: 1000px;
}
/* flip the pane when hovered */
.flip-container:hover .flipper, .flip-container.hover .flipper {
 transform: rotateY(180deg);
}
.flip-container, .front, .back {
/* width: 320px; */
/* height: 480px; */
width: 322px;
height: 240px;
}
/* flip speed goes here */
.flipper {
transition: 0.6s;
transform-style: preserve-3d;
position: relative;
}
/* hide back of pane during swap */
.front, .back {
backface-visibility: hidden;
position: absolute;
top: 0;
left: 0;
}
/* front pane, placed above back */
.front {
z-index: 2;
/* for firefox 31 */
transform: rotateY(0deg);
}
/* back, initially hidden pane */
.back {
transform: rotateY(180deg);
}
.vertical.flip-container {
        position: relative;
}
        .vertical .back {
                transform: rotateX(180deg);
        }
        .vertical.flip-container .flipper {
                transform-origin: 100% 213.5px; /* half of height */
        }
        .vertical.flip-container:hover .flipper {
                transform: rotateX(-180deg);
        }
/* +++++ ENDE flipper +++++ */