#page-flip {
  width: 100%;
  display: inline-block;
  position: relative;
}

#page-flip:after {
  padding-top: 90%;
  display: block;
  content: '';
}

.pages-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.page-left, .page-right {
  position: absolute;
  width: 50%;
  height: 86%;
  background-color: transparent;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-left {
  background-position: left center;
  border-top-right-radius: 1%;
  left: 0%;
}

.page-right {
  background-position: right center;
  border-top-left-radius: 1%;
  right: 0%;
}

.page-left .page-middle, .page-right .page-middle {
  width: 4%;
  height: 100%;
}

.page-left .page-middle {
  float: right;
  background: linear-gradient(to left,  rgba(0,0,0,0.2) 0%,rgba(0,0,0,0) 100%);
  border-top-right-radius: 10%;
}

.page-right .page-middle {
  float: left;
  background: linear-gradient(to right,  rgba(0,0,0,0.3) 0%,rgba(0,0,0,0) 100%);
  border-top-left-radius: 10%;
}

.page-left .page-grabber, .page-right .page-grabber {
  width: 20%;
  height: 100%;
  cursor: pointer;
}

.page-left .page-grabber {
  float: left;
}

.page-right .page-grabber {
  float: right;
}

.page-left .page-grabber .page-fold, .page-right .page-grabber .page-fold {
  position: absolute;
  width: 0%;
  height: 0%;
  transition: width 0.5s, height 0.5s;
  border-bottom-width: 1px;
  border-bottom-color: #dddddd;
  border-bottom-style: solid;
}

.disable-click {
  position: absolute;
  width: 50%;
  height: 86%;
  background-color: transparent;
  background-repeat: no-repeat;
  background-size: cover;
}

.disable-click .page-middle {
  display: none;
}

.disable-click .page-grabber {
  cursor: default;
}

.disable-click .page-fold {
  width: 0% !important;
  height: 0% !important;
}

.reduce-to-left, .reduce-to-right {
  z-index: 0;
  width: 0%;
}

.reduce-to-left {
  left: 50%;
  background-position: right center !important;
  transition: width 0.5s linear, left 0.5s linear;
}

.reduce-to-right {
  right: 50%;
  background-position: left center !important;
  transition: width 0.5s linear, right 0.5s linear;
}

.page-left .page-fold {
  left: 0;
  border-right-width: 1px;
  border-right-color: #dddddd;
  border-right-style: solid;
  box-shadow: 5px 5px 10px #dddddd;
  background-image: linear-gradient(135deg, rgb(255, 255, 255) 0%, rgb(255, 255, 255) 50%, rgb(242, 242, 242) 51%, rgb(254, 254, 254) 100%);
}

.page-right .page-fold {
  right: 0;
  border-left-width: 1px;
  border-left-color: #dddddd;
  border-left-style: solid;
  box-shadow: -5px 5px 10px #dddddd;
  background-image: linear-gradient(45deg, rgb(254, 254, 254) 0%, rgb(242, 242, 242) 49%, rgb(255, 255, 255) 50%, rgb(255, 255, 255) 100%);
}

.page-grabber:hover .page-fold {
  width: 4%;
  height: 2.8%;
}

.hide-page-fold {
  width: 0% !important;
  height: 0% !important;
}

.next-page, .prev-page {
  position: absolute;
  height: 86%;
  width: 0%;
  background-color: transparent;
  background-repeat: no-repeat;
  background-size: cover;
}

.next-page {
  right: 0%;
  background-position: left center;
}

.prev-page {
  left: 0%;
  background-position: right center;
}

.turning-next-page, .turning-prev-page  {
  width: 50%;
  z-index: 1;
}

.turning-next-page {
  right: 50%;
  -webkit-box-shadow: -5px 1px 18px -2px rgba(0,0,0,0.5);
  -moz-box-shadow: -5px 1px 18px -2px rgba(0,0,0,0.5);
  box-shadow: -5px 1px 18px -2px rgba(0,0,0,0.5);

  transition: width 0.5s linear, right 0.5s linear;
}

.turning-prev-page {
  left: 50%;
  -webkit-box-shadow: -5px -2px 18px 1px rgba(0,0,0,0.5);
  -moz-box-shadow: -5px -2px 18px 1px rgba(0,0,0,0.5);
  box-shadow: -5px -2px 18px 1px rgba(0,0,0,0.5);

  transition: width 0.5s linear, left 0.5s linear;
}

.right-brightness, .left-brightness {
  z-index: 2;
}

.right-brightness {
  right: 0%;
  background: linear-gradient(to right,  rgba(128,128,128,0) 0%,rgba(128,128,128,0.65) 100%);
}

.left-brightness {
  left: 0%;
  background: linear-gradient(to left,  rgba(128,128,128,0) 0%,rgba(128,128,128,0.65) 100%);
}

.turning-left, .turning-right {
  position: absolute;
  height: 86%;
  width: 0%;
  z-index: 2;
}

.turning-left {
  right: 50%;
  transition: right 0.5s linear;
}

.turning-right {
  left: 50%;
  transition: left 0.5s linear;
}

.hidden-left-page, .hidden-right-page {
  z-index: 1;
  position: absolute;
  width: 0%;
  height: 86%;
  background-color: transparent;
  background-repeat: no-repeat;
  background-size: cover;
}

.hidden-left-page {
  left: 0%;
  background-position: left center;
}

.hidden-right-page {
  right: 0%;
  background-position: right center;
}

.show-hidden-left-page, .show-hidden-right-page {
  width: 49.5%;
  transition: width 0.5s linear;
}

.page-flip-loader {
  width: 40px;
  height: 40px;
  background-color: #333;
  display: block;
  margin: 0 auto;
  -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
  animation: sk-rotateplane 1.2s infinite ease-in-out;
}

@-webkit-keyframes sk-rotateplane {
  0% { -webkit-transform: perspective(120px) }
  50% { -webkit-transform: perspective(120px) rotateY(180deg) }
  100% { -webkit-transform: perspective(120px) rotateY(180deg)  rotateX(180deg) }
}

@keyframes sk-rotateplane {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg)
  } 50% {
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg)
  } 100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}