body {
  font-family: sans-serif;
}


.flip-box {
  width: 482px;
  height: 312px;
}

.flip-box-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.flip-box-back {
  transform: rotateY(-180deg);
}

.flip-box-front, .flip-box-back {
  backface-visibility: hidden;
  position: absolute;
  width: 100%;
  height: 100%;
}

.flip-box:hover .flip-box-inner {
  transform: rotateY(-180deg);
}