/* COPIED FROM http://davidwalsh.name/css-flip */
/* updated to replace :hover references with .hover classname to avoid issues on mobile. */

/* entire container, keeps perspective */
.flip-container {
  perspective: 1000;
  transform-style: preserve-3d;
}
/*  UPDATED! flip the pane when hovered */
.flip-container.hover .back {
  transform: rotateY(0deg);
}
.flip-container.hover .front {
  transform: rotateY(180deg);
}
/* flip speed goes here */
.flipper {
  transition: 0.6s;
  transition-property: transform;
  transform-style: preserve-3d;

  position: relative;
}
/* hide back of pane during swap */
.front, .back {
  backface-visibility: hidden;
  transition: 0.6s;
  transition-property: transform;
  transform-style: preserve-3d;

  position: absolute;
  top: 0;
  left: 0;
}
/*  UPDATED! front pane, placed above back */
.front {
  z-index: 2;
  transform: rotateY(0deg);
}
/* back, initially hidden pane */
.back {
  transform: rotateY(-180deg);
}
/* Some vertical flip updates */
.vertical.flip-container {
  position: relative;
}
.vertical .back {
  transform: rotateX(180deg);
}
.vertical.flip-container.hover .back {
  transform: rotateX(0deg);
}
.vertical.flip-container.hover .front {
  transform: rotateX(180deg);
}