.content-book {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 90px;
}

.book {
  width: 325px;
  /* height: 400px; */
  height: 460px;
  position: relative;
  text-align: center;
  margin: 0 5.5%;
}

.book-cover {
  position: absolute;
  z-index: 1;
  /* width: 100%;
  height: 100%; */
  width: 325px;
    /* height: 400px; */
    height: 460px;
  transform-origin: 0 50%;
  -webkit-transform-origin: 0 50%;
  background: #111;
  background-size: cover;
  border-radius: 3px;
  box-shadow:
    inset 4px 1px 3px #ffffff60,
    inset 0 -1px 2px #00000080;
  transition: all .5s ease-in-out;
  -webkit-transition: all .5s ease-in-out;
}

.cover1 {
  background-repeat: no-repeat !important;
  background-size: cover !important;
  background-position: center !important;
}

/*
.cover2 {
  background: url('http://fuel-design.com/media/uploads/publications/Tattoo_Vol_I_cover.jpg');
}

.cover3 {
  background: url('http://fuel-design.com/media/uploads/publications/CRIME_cover.jpg');
} */

.book .book-cover {
  background-size: 100% 100%;
}


.effect {
  width: 20px;
  height: 100%;
  margin-left: 10px;
  border-left: 2px solid #00000010;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
  transition: all .5s ease;
}

.light {
  width: 90%;
  height: 100%;
  position: absolute;
  border-radius: 3px;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.2) 100%);
  top: 0;
  right: 0;
  opacity: .1;
  transition: all .5s ease;
  -webkit-transition: all .5s ease;
}

.book:hover {
  cursor: pointer;
}

.book:hover .book-cover {
  transform: perspective(2000px) rotateY(-30deg);
  -webkit-transform: perspective(2000px) rotateY(-30deg);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  box-shadow:
    inset 4px 1px 3px #ffffff60,
    inset 0 -1px 2px #00000080,
    10px 0px 10px -5px #00000030
}

.book:hover .effect {
  width: 40px;
  /** margin-left:13px;
  opacity: 0.5; **/
}

.book:hover .light {
  opacity: 1;
  width: 70%;
}

.book-inside {
  width: calc(100% - 2px);
  height: 96%;
  position: relative;
  top: 2%;
  border: 1px solid grey;
  border-radius: 3px;
  background: white;
  box-shadow:
    10px 40px 40px -10px #00000030,
    inset -2px 0 0 grey,
    inset -3px 0 0 #dbdbdb,
    inset -4px 0 0 white,
    inset -5px 0 0 #dbdbdb,
    inset -6px 0 0 white,
    inset -7px 0 0 #dbdbdb,
    inset -8px 0 0 white,
    inset -9px 0 0 #dbdbdb;
}

.title {
  font-size: 22px;
  width: 100%;
  color: #333;
  text-align: center;
  position: absolute;
  top: -30px;
  height: 1px;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  transition: all 1s ease-in-out;
  -webkit-transition: all 1s ease-in-out;
}

.title p {
  width: 100%;
  margin: 0;
  line-height: 1.3;
}


.btn-ebook {
  position: relative;
  background: #aaa;
  color: #fff;
  font-weight: bold;
  padding: 15px 30px;
  font-size: 16px;
  letter-spacing: 1px;
  border-radius: 50px;
  bottom: -50px;
  display: inline-block;
  opacity: 0;
  transition: all 1s ease-in-out;
  -webkit-transition: all 1s ease-in-out;
}

.book:hover .btn-ebook,
.book:hover .title {
  opacity: 1;
}

.f-book {
  margin-top: -35px;
}

.box-all-book {
  text-align: center;
  margin-top: -80px;
  height: 180px;
}

a.no-underline.button-book-all {
  background: linear-gradient(360deg, #9bd4d46b 0%, #c8feff 50%, #d6d9da75 100%);
  padding: 10px 20px;
  font-size: 20px;
  border-radius: 30px;
  color: #000;
}