* {
  box-sizing: border-box;
}

html,
body {
  padding: 0px;
  margin: 0px;
}

.wrapper {
  width: 100%;
  height: 40vh;
/* height: 50vh; */
  display: flex;
  justify-content: center;
  align-items: center;
  padding-right: 20px;
}

.inner-book {
  width: 40vh;
/* width: 50vh; */
}

.book {
  display: flex;
  flex-direction: column;
  justify-content: center;
  transform: translateZ(0);
}


.inner-book {
  display: flex;
  align-items: center;
  transform-style: preserve-3d;
  perspective: 2000px;
}

.inner-book:before {
  content: "";
  width: 100%;
  position: absolute;
  height: 0;
  bottom: 14px;
  transform: rotateY(-20deg) translateZ(-20px);
  z-index: 0;
  box-shadow: 10px 12px 20px 13px rgba(0, 0, 0, 0.3);
}

.inner-book .img {
  transform: rotateY(-20deg);
  width: 100%;
  z-index: 5;
  clear: both;
  height: 100%;
  background: #ddd;
}

.inner-book img {
  width: 100%;
  height: 100%;
  display: block;
  position: absolute;
  top: 0;
}

.inner-book .img:before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
  border-left: 4px solid rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.page {
  width: calc(100% - 20px);
  height: calc(100% - 2px);
  position: absolute;
  box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.2),
    inset -1px 0px 1px rgba(150, 150, 150, 0.1);
  border-radius: 0px 3px 3px 0px;
  transform: rotateY(-20deg) translateZ(-5px);
  right: -3px;
  z-index: 4;
  background: white;
}

.page-2 {
  height: calc(100% - 4px);
  right: -6px;
  z-index: 3;
}

.page-3 {
  height: calc(100% - 6px);
  right: -9px;
  z-index: 2;
}

.page-4 {
  height: calc(100% - 8px);
  right: -12px;
  z-index: 1;
}

.page-5 {
  height: calc(100% - 10px);
  right: -15px;
  z-index: 0;
}

.img.final-page {
  position: absolute;
  z-index: -1;
  right: -17px;
  transform: rotateY(-19deg) translateZ(-10px) scale(0.984);
}