body { margin: 0; width: 100%; height: 100%; }

.scene {
  width: 250;
  height: 464px;
  margin: 16px auto;
  -webkit-perspective: 2000px;
  perspective: 2000px;
}
.book {
  position: relative;
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.page {
  cursor: pointer;
  position: absolute;
  color: black;
  width: 100%;
  height: 100%;

  -webkit-transition: 1.5s -webkit-transform;

  transition: 1.5s transform;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;  
  -webkit-transform-origin: left center;  
  -ms-transform-origin: left center;  
  transform-origin: left center;
}
.front,
.back {
  position: absolute;
  
  width: 100%;
  height: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  
  -webkit-backface-visibility: hidden;
  

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

.page.active {
  z-index: 1;
}
.page.flipped {
  -webkit-transform: rotateY(-180deg);
  transform: rotateY(-180deg);
}
.page.flipped:last-of-type {
  z-index: 1;
}

p {
  margin: 0;
}