.bk-list {
  list-style: none;
  position: relative;
}
.bk-list li {
  -webkit-perspective: 1800px;
  float: left;
  margin: 0px 50px 40px 0;
  perspective: 1800px;
  position: relative;
  width: 300px;
  z-index: 1;
}
.bk-list li:last-child {
  margin-right: 0;
}
.bk-list li .bk-book {
  -webkit-transform-style: preserve-3d;
  -webkit-transition: -webkit-transform 0.5s;
  height: 400px;
  position: absolute;
  transform-style: preserve-3d;
  transition: transform 0.5s;
  width: 100%;
}
.bk-list li .bk-book.bk-bookdefault:hover {
  -webkit-transform: rotate3d(0, 1, 0, 35deg);
  transform: rotate3d(0, 1, 0, 35deg);
}
.bk-list li .bk-book > div {
  display: block;
  position: absolute;
}
.bk-list li .bk-front > div {
  -webkit-backface-visibility: hidden;
  -webkit-transform-style: preserve-3d;
  backface-visibility: hidden;
  border-radius: 0 3px 3px 0;
  box-shadow: inset 4px 0 10px rgba(0, 0, 0, 0.1);
  display: block;
  height: 400px;
  position: absolute;
  transform-style: preserve-3d;
  width: 300px;
  z-index: 1;
}
.bk-list li .bk-front {
  -webkit-transform-origin: 0% 50%;
  -webkit-transform-style: preserve-3d;
  -webkit-transform: translate3d(0, 0, 20px);
  -webkit-transition: -webkit-transform 0.5s;
  height: 400px;
  transform-origin: 0% 50%;
  transform-style: preserve-3d;
  transform: translate3d(0, 0, 20px);
  transition: transform 0.5s;
  width: 300px;
  z-index: 10;
}
.bk-list li .bk-front:after {
  bottom: 1px;
  content: '';
  left: -1px;
  position: absolute;
  top: 1px;
  width: 1px;
}
.bk-list li .bk-page {
  -webkit-backface-visibility: hidden;
  -webkit-transform: translate3d(0, 0, 19px);
  backface-visibility: hidden;
  background-color: #ffffff;
  display: none;
  height: 390px;
  top: 5px;
  transform: translate3d(0, 0, 19px);
  width: 295px;
  z-index: 9;
}
.bk-list li .bk-back {
  -webkit-transform: rotate3d(0, 1, 0, -180deg) translate3d(0, 0, 20px);
  border-radius: 3px 0 0 3px;
  box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.3);
  height: 400px;
  transform: rotate3d(0, 1, 0, -180deg) translate3d(0, 0, 20px);
  width: 300px;
}
.bk-list li .bk-back:after {
  background: rgba(0, 0, 0, 0.06);
  bottom: 0;
  box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
  content: '';
  left: 10px;
  left: auto;
  position: absolute;
  right: 10px;
  top: 0;
  width: 3px;
}
.bk-list li .bk-left {
  -webkit-transform: rotate3d(0, 1, 0, -90deg);
  height: 400px;
  left: -20px;
  transform: rotate3d(0, 1, 0, -90deg);
  width: 40px;
}
.bk-list li .bk-right {
  -moz-transform: rotate3d(0, 1, 0, 90deg) translate3d(0, 0, 295px);
  -webkit-backface-visibility: hidden;
  -webkit-transform: rotate3d(0, 1, 0, 90deg) translate3d(0, 0, 295px);
  backface-visibility: hidden;
  background-color: #ffffff;
  height: 390px;
  left: -20px;
  top: 5px;
  transform: rotate3d(0, 1, 0, 90deg) translate3d(0, 0, 295px);
  width: 40px;
}
.bk-list li .bk-top {
  -webkit-backface-visibility: hidden;
  -webkit-transform: rotate3d(1, 0, 0, 90deg);
  backface-visibility: hidden;
  background-color: #ffffff;
  height: 40px;
  top: -15px;
  transform: rotate3d(1, 0, 0, 90deg);
  width: 295px;
}
.bk-list li .bk-bottom {
  -webkit-backface-visibility: hidden;
  -webkit-transform: rotate3d(1, 0, 0, -90deg) translate3d(0, 0, 390px);
  backface-visibility: hidden;
  background-color: #ffffff;
  height: 40px;
  top: -15px;
  transform: rotate3d(1, 0, 0, -90deg) translate3d(0, 0, 390px);
  width: 295px;
}
.bk-list li .bk-cover-back {
  -webkit-transform: rotate3d(0, 1, 0, -179deg);
  background-color: #000000;
  transform: rotate3d(0, 1, 0, -179deg);
}
.bk-list li .bk-viewinside .bk-front {
  -webkit-transform: translate3d(0, 0, 20px) rotate3d(0, 1, 0, -160deg);
  transform: translate3d(0, 0, 20px) rotate3d(0, 1, 0, -160deg);
}
.bk-list li .bk-book.bk-viewinside {
  -webkit-transform: translate3d(0, 0, 150px) rotate3d(0, 1, 0, 0deg);
  transform: translate3d(0, 0, 150px) rotate3d(0, 1, 0, 0deg);
}
.bk-list li .bk-book.bk-viewback {
  -webkit-transform: translate3d(0, 0, 0px) rotate3d(0, 1, 0, 180deg);
  transform: translate3d(0, 0, 0px) rotate3d(0, 1, 0, 180deg);
}
.bk-list li .bk-cover:after {
  background: rgba(0, 0, 0, 0.06);
  bottom: 0;
  box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
  content: '';
  left: 10px;
  position: absolute;
  top: 0;
  width: 3px;
}
.bk-info {
  margin-top: 440px;
  position: relative;
}
.bk-info h3 {
  border-bottom: 1px solid rgba(0, 0, 0, 0.3);
  font-size: 26px;
  margin-bottom: 20px;
  padding: 25px 0 10px;
}
.bk-info h3 span:first-child {
  color: #777777;
  display: block;
  font-size: 14px;
  font-weight: 400;
  padding-bottom: 5px;
  text-transform: uppercase;
}
.bk-info p {
  color: #444444;
  line-height: 24px;
  min-height: 160px;
}
.bk-info button {
  background: #FC756F;
  border: none;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.15);
  color: #ffffff;
  cursor: pointer;
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  margin-right: 4px;
  padding: 3px 15px;
  text-transform: uppercase;
}
.bk-info button:active {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8), inset 0 -1px 1px rgba(0, 0, 0, 0.2);
}
.bk-info button.bk-active {
  background: #d0544e;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8), inset 0 -1px 1px rgba(0, 0, 0, 0.2);
}
.no-touch .bk-info button:hover {
  background: #d0544e;
}
.bk-left h2 {
  -moz-transform-origin: 0 0;
  -webkit-transform-origin: 0 0;
  -webkit-transform: rotate(90deg) translateY(-40px);
  height: 40px;
  transform-origin: 0 0;
  transform: rotate(90deg) translateY(-40px);
  width: 400px;
}
.bk-content {
  -webkit-backface-visibility: hidden;
  -webkit-transition: opacity 0.3s ease-in-out;
  backface-visibility: hidden;
  background: #ffffff;
  bottom: 20px;
  cursor: default;
  left: 20px;
  opacity: 0;
  overflow: hidden;
  padding: 30px;
  pointer-events: none;
  position: absolute;
  right: 20px;
  top: 30px;
  transition: opacity 0.3s ease-in-out;
}
.bk-content p {
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-font-smoothing: antialiased;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  color: #000000;
  font-size: 13px;
  line-height: 20px;
  padding: 0 0 10px;
  text-align: justify;
  user-select: none;
}
.bk-content-current {
  opacity: 1;
  pointer-events: auto;
}
.bk-page nav {
  cursor: pointer;
  display: block;
  margin-top: 20px;
  position: relative;
  text-align: center;
  z-index: 100;
}
.bk-page nav span {
  background: #f0f0f0;
  border-radius: 50%;
  color: #aaaaaa;
  display: inline-block;
  height: 20px;
  width: 20px;
}
.book-1 .bk-front > div {
  background-color: #ff924a;
}
.book-1 .bk-back {
  background-color: #ff924a;
}
.book-1 .bk-back p {
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  padding: 40px;
  text-align: center;
}
.book-1 .bk-left {
  background-color: #ff924a;
}
.book-1 .bk-left h2 {
  color: #ffffff;
  font-size: 15px;
  line-height: 40px;
  padding-right: 10px;
  text-align: right;
}
.book-1 .bk-left h2 span:first-child {
  font-size: 13px;
  font-weight: 400;
  padding-right: 20px;
  text-transform: uppercase;
}
.book-1 .bk-left h2 span:last-child {
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
}
.book-1 .bk-front:after {
  background-color: #ff924a;
}
.book-1 .bk-cover {
  background-image: url(../images/1.png);
  background-position: 10px 40px;
  background-repeat: no-repeat;
}
.book-1 .bk-cover h2 {
  background: rgba(255, 255, 255, 0.2);
  bottom: 0;
  color: #ffffff;
  left: 0;
  padding: 30px;
  position: absolute;
  right: 0;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.1);
}
.book-1 .bk-cover h2 span:first-child {
  display: block;
  font-size: 13px;
  font-weight: 400;
  padding-right: 20px;
  text-transform: uppercase;
}
.book-1 .bk-cover h2 span:last-child {
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
}
.book-1 .bk-content p {
  font-family: Georgia, Times, "Times New Roman", serif;
}
.book-2 .bk-front > div {
  background-color: #222222;
}
.book-2 .bk-back {
  background-color: #222222;
}
.book-2 .bk-back p {
  color: red;
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 13px;
  padding: 40px;
  text-align: center;
}
.book-2 .bk-left {
  background-color: #222222;
}
.book-2 .bk-left h2 {
  color: #ffffff;
  font-family: 'the_godfatherregular', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  padding-right: 10px;
  text-align: right;
}
.book-2 .bk-front:after {
  background-color: #222222;
}
.book-2 .bk-cover {
  background-image: url(../images/2.png);
  background-position: 98% 0%;
  background-repeat: no-repeat;
}
.book-2 .bk-cover h2 {
  color: #ffffff;
  font-family: 'the_godfatherregular', Georgia, serif;
  font-size: 138px;
  font-weight: 400;
  line-height: 102px;
  padding: 30px;
}
.book-2 .bk-cover h2 span:first-child {
  display: block;
  position: relative;
}
.book-2 .bk-cover h2 span:first-child before {
  bottom: -60px;
  color: red;
  content: 'A novel';
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 20px;
  position: absolute;
  right: -15px;
  text-transform: uppercase;
}
.book-2 .bk-cover h2 span:last-child {
  display: block;
  font-size: 100px;
  line-height: 80px;
  position: relative;
}
.book-2 .bk-cover h2 span:last-child before {
  color: red;
  content: 'by';
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 16px;
  left: 62px;
  position: absolute;
  top: -32px;
}
.book-2 .bk-cover h2 span:last-child after {
  background: #f9ed65;
  border-radius: 50%;
  content: '';
  height: 20px;
  left: 101px;
  position: absolute;
  top: 5px;
  width: 20px;
}
.book-3 .bk-front > div {
  background-color: #a4c19e;
}
.book-3 .bk-back {
  background-color: #a4c19e;
}
.book-3 .bk-back img {
  display: block;
  margin: 30px auto 0;
  width: 200px;
}
.book-3 .bk-back p {
  color: #ffffff;
  font-family: Georgia, Times, "Times New Roman", serif;
  font-size: 13px;
  padding: 40px;
  text-align: center;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.1);
}
.book-3 .bk-left {
  background-color: #a4c19e;
}
.book-3 .bk-left h2 {
  color: #ffffff;
  font-size: 14px;
  line-height: 40px;
  text-align: center;
}
.book-3 .bk-left h2 span:first-child {
  font-size: 13px;
  font-weight: 400;
  padding-right: 20px;
  text-transform: uppercase;
}
.book-3 .bk-left h2 span:last-child {
  font-family: Georgia, Times, "Times New Roman", serif;
}
.book-3 .bk-front:after {
  background-color: #a4c19e;
}
.book-3 .bk-cover {
  background-image: url(../images/3.png);
  background-position: 100% 95%;
  background-repeat: no-repeat;
}
.book-3 .bk-cover h2 {
  color: #ffffff;
  left: 40px;
  padding-top: 15px;
  position: absolute;
  right: 40px;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.1);
  top: 40px;
}
.book-3 .bk-cover h2 span:first-child {
  display: block;
  font-size: 13px;
  font-weight: 400;
  padding-right: 20px;
  text-transform: uppercase;
}
.book-3 .bk-cover h2 span:last-child {
  font-family: Georgia, Times, "Times New Roman", serif;
}
.book-3 .bk-content p {
  font-family: Georgia, Times, "Times New Roman", serif;
}
.book-4 .bk-front > div {
  background-color: #222222;
}
.book-4 .bk-back {
  background-color: #222222;
}
.book-4 .bk-back p {
  color: red;
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 13px;
  padding: 40px;
  text-align: center;
}
.book-4 .bk-left {
  background-color: #222222;
}
.book-4 .bk-left h2 {
  color: #ffffff;
  font-family: 'the_godfatherregular', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  padding-right: 10px;
  text-align: right;
}
.book-4 .bk-front:after {
  background-color: #222222;
}
.book-4 .bk-cover {
  background-image: url(../images/2.png);
  background-position: 98% 0%;
  background-repeat: no-repeat;
}
.book-4 .bk-cover h2 {
  color: #ffffff;
  font-family: 'the_godfatherregular', Georgia, serif;
  font-size: 138px;
  font-weight: 400;
  line-height: 102px;
  padding: 30px;
}
.book-4 .bk-cover h2 span:first-child {
  display: block;
  position: relative;
}
.book-4 .bk-cover h2 span:first-child before {
  bottom: -60px;
  color: red;
  content: 'A novel';
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 20px;
  position: absolute;
  right: -15px;
  text-transform: uppercase;
}
.book-4 .bk-cover h2 span:last-child {
  display: block;
  font-size: 100px;
  line-height: 80px;
  position: relative;
}
.book-4 .bk-cover h2 span:last-child before {
  color: red;
  content: 'by';
  font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
  font-size: 16px;
  left: 62px;
  position: absolute;
  top: -32px;
}
.book-4 .bk-cover h2 span:last-child after {
  background: #f9ed65;
  border-radius: 50%;
  content: '';
  height: 20px;
  left: 101px;
  position: absolute;
  top: 5px;
  width: 20px;
}
.no-csstransforms3d .bk-list li .bk-book > div {
  display: none;
}
.no-csstransforms3d .bk-list li .bk-book .bk-cover-back {
  display: none;
}
.no-csstransforms3d .bk-list li .bk-book > div.bk-front {
  display: block;
}
.no-csstransforms3d .bk-info button {
  display: none;
}
.no-js .bk-info button {
  display: none;
}