.book {
  -webkit-transition: opacity 0.4s 0.2s;
  transition: opacity 0.4s 0.2s;
	 margin: 0 0 90px 0;
}
.page {
width: 33vw;
height: 43vw;
	max-width: 550px;
  max-height: 714px;
  background-color: #fff;
  float: left;

}
.page:first-child {
  float: right;
}
.page:nth-child(even) {
  clear: both;
}
.bound {
  -webkit-perspective: 250vw;
          perspective: 250vw;
}
.bound .page img{
	width: 100%;
	height: auto;
}
.bound .pages {
width: 66vw;
height: 43vw;
	max-width: 1100px;
  max-height: 714px;
  position: relative;
  -webkit-transform: rotateX(12deg);
          transform: rotateX(12deg);
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  border-radius: 4px;
}
.bound .page {
  float: none;
  clear: none;
  margin: 0;
  position: absolute;
  top: 0;
width: 33vw;
height: 43vw;
	max-width: 550px;
  max-height: 714px;
  -webkit-transform-origin: 0 0;
          transform-origin: 0 0;
  -webkit-transition: -webkit-transform 1.4s;
  transition: -webkit-transform 1.4s;
  transition: transform 1.4s;
  transition: transform 1.4s, -webkit-transform 1.4s;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  cursor: pointer;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}
.bound .page:before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0);
  -webkit-transition: background 0.7s;
  transition: background 0.7s;
  z-index: 2;
}
.bound .page:nth-child(odd) {
  pointer-events: all;
  -webkit-transform: rotateY(0deg);
          transform: rotateY(0deg);
  right: 0;
  border-radius: 0 4px 4px 0;
}
.bound .page:nth-child(odd):hover {
  -webkit-transform: rotateY(-10deg);
          transform: rotateY(-10deg);
}
.bound .page:nth-child(odd):hover:before {
  background: rgba(0, 0, 0, 0.03);
}
.bound .page:nth-child(odd):before {
  background: rgba(0, 0, 0, 0);
}
.bound .page:nth-child(even) {
  pointer-events: none;
  -webkit-transform: rotateY(180deg);
          transform: rotateY(180deg);
  -webkit-transform-origin: 100% 0;
          transform-origin: 100% 0;
  left: 0;
  border-radius: 4px 0 0 4px;
}
.bound .page:nth-child(even):before {
  background: rgba(0, 0, 0, 0.2);
}
.bound .page.grabbing {
  -webkit-transition: none;
  transition: none;
}
.bound .page.flipped:nth-child(odd) {
  pointer-events: none;
  -webkit-transform: rotateY(-180deg);
          transform: rotateY(-180deg);
}
.bound .page.flipped:nth-child(odd):before {
  background: rgba(0, 0, 0, 0.2);
}
.bound .page.flipped:nth-child(even) {
  pointer-events: all;
  -webkit-transform: rotateY(0deg);
          transform: rotateY(0deg);
}
.bound .page.flipped:nth-child(even):hover {
  -webkit-transform: rotateY(10deg);
          transform: rotateY(10deg);
}
.bound .page.flipped:nth-child(even):hover:before {
  background: rgba(0, 0, 0, 0.03);
}
.bound .page.flipped:nth-child(even):before {
  background: rgba(0, 0, 0, 0);
}
*,
* :before,
*:after {
  box-sizing: border-box;
}
html,
body {
	background-color:transparent;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
html {
  height: 100%;
}
body {
  min-height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 2em 0;
  line-height: 1.5em;
}
.page {

}