.book {
  overflow: hidden;
}
@media only screen and (min-width: 40em) {
  .book {
    
/*    -webkit-perspective: 250vw;
            perspective: 250vw;*/
    overflow: visible;
  }
}
.book .pages-responsive {
  overflow-x: auto;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  position: relative;
}
.book .pages-responsive:after {
  display: block;
  position: absolute;
  content: '';
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0);
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive {
    overflow: visible;
    -webkit-transform: none;
            transform: none;
  }
  .book .pages-responsive:after {
    display: none;
  }
}
.book .pages-responsive .pages {
  position: relative;
  margin: 0 auto;
  width: 1000%;
  padding-bottom: 40%;
  height: 0;
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages {
    -webkit-transform: rotateX(15deg);
            transform: rotateX(15deg);
/*    -webkit-transform-style: preserve-3d;
            transform-style: preserve-3d;*/
    width: 80%;
  }
}
.book .pages-responsive .pages .page {
  position: relative;
  -webkit-transition: -webkit-transform 1s;
  transition: -webkit-transform 1s;
  transition: transform 1s;
  transition: transform 1s, -webkit-transform 1s;
  width: 10%;
  float: left;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page {
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    height: 100%;
    cursor: pointer;
    margin: 0;
    overflow: hidden;
 /*   border: 1px solid rgba(0, 0, 0, 0.1);*/
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0);
    -webkit-transition: background .5s;
    transition: background .5s;
    z-index: 2;
  }
}
.book .pages-responsive .pages .page img {
  width: 100%;
  position: relative;
}
.book .pages-responsive .pages .page .caption {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.book .pages-responsive .pages .page .caption p {
  color: white;
  text-shadow: 0 0 50px black;
  font-weight: bold;
}
.book .pages-responsive .pages .page:nth-child(even) {
  pointer-events: none;
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(even) {
    -webkit-transform: rotateY(180deg);
            transform: rotateY(180deg);
    -webkit-transform-origin: 100% 0;
            transform-origin: 100% 0;
    left: 0;
    right: 50%;
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(even):after {
    background: -webkit-gradient(linear, left top, right top, color-stop(70%, transparent), color-stop(97%, rgba(0, 0, 0, 0.6)));
    background: linear-gradient(to right, transparent 70%, rgba(0, 0, 0, 0.6) 97%);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    content: ' ';
    display: block;
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(even).page--flipped {
    pointer-events: all;
    -webkit-transform: rotateY(5deg);
            transform: rotateY(5deg);
  }
}
.book .pages-responsive .pages .page:nth-child(even).page--flipped:before {
  background: rgba(0, 0, 0, 0.03);
}
.book .pages-responsive .pages .page:nth-child(even):before {
  background: rgba(0, 0, 0, 0.2);
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(odd) {
    pointer-events: all;
    -webkit-transform: rotateY(-5deg);
            transform: rotateY(-5deg);
    -webkit-transform-origin: 0 0;
            transform-origin: 0 0;
    left: 50%;
    right: 0;
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(odd):after {
    background: -webkit-gradient(linear, right top, left top, color-stop(70%, transparent), color-stop(97%, rgba(0, 0, 0, 0.6)));
    background: linear-gradient(to left, transparent 70%, rgba(0, 0, 0, 0.6) 97%);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    content: ' ';
    display: block;
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page:nth-child(odd).page--flipped {
    pointer-events: none;
    -webkit-transform: rotateY(-180deg);
            transform: rotateY(-180deg);
  }
}
.book .pages-responsive .pages .page:nth-child(odd).page--flipped:before {
  background: rgba(0, 0, 0, 0.2);
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page--is-hoverable:nth-child(even):hover {
    -webkit-transform: rotateY(10deg);
            transform: rotateY(10deg);
  }
}
@media only screen and (min-width: 40em) {
  .book .pages-responsive .pages .page--is-hoverable:nth-child(odd):hover {
    -webkit-transform: rotateY(-10deg);
            transform: rotateY(-10deg);
  }
}
.book .pages-responsive .pages .page--is-hoverable:nth-child(odd):hover:before {
  background: rgba(0, 0, 0, 0.03);
}
.book .pager ol {
  display: table;
  width: 100%;
  padding: 0;
}
.book .pager ol li {
  list-style: none;
  display: table-cell;
}