.bk-list {
	list-style: none;
	position: relative;
	width: 533px; /* 13 books * 40px + 13 books * margin (1px) */
	margin: 0 auto;
	-webkit-perspective: 1800px;
	-moz-perspective: 1800px;
	perspective: 1800px;
	-webkit-perspective-origin: 50% 15%;
	-moz-perspective-origin: 50% 15%;
	perspective-origin: 50% 15%;
}

.bk-list li {
	position: relative;
	width: 40px;
	height: 400px;
	float: left;
	z-index: 1;
	margin: 0px 0px 0px 1px;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.bk-list li:last-child {
	margin-right: 0;
}

.bk-list li .bk-book {
	cursor: pointer;
	position: absolute;
	width: 100%;
	height: 400px;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition: -webkit-transform .5s;
	-moz-transition: -moz-transform .5s;
	transition: transform .5s;
	-webkit-transform: rotate3d(0,1,0,90deg);
	-moz-transform: rotate3d(0,1,0,90deg);
	transform: rotate3d(0,1,0,90deg);
}

.bk-list li .bk-book:hover {
	-webkit-transform: rotateY(90deg) rotateZ(-15deg) translate3d(-100px,0,0);
	-moz-transform: rotateY(90deg) rotateZ(-15deg) translate3d(-100px,0,0);
	transform: rotateY(90deg) rotateZ(-15deg) translate3d(-100px,0,0);
}

.bk-list li .bk-book > div,
.bk-list li .bk-front > div {
	display: block;
	position: absolute;
}

.bk-list li .bk-front {
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transform-origin: 0% 50%;
	-moz-transform-origin: 0% 50%;
	transform-origin: 0% 50%;
	-webkit-transition: -webkit-transform .5s;
	-moz-transition: -moz-transform .5s;
	transition: transform .5s;
	-webkit-transform: translate3d(0,0,20px);
	-moz-transform: translate3d(0,0,20px);
	transform: translate3d(0,0,20px);
}

.bk-list li .bk-front > div {
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.bk-list li .bk-page {
	-webkit-transform: translate3d(0,0,19px);
	-moz-transform: translate3d(0,0,19px);
	transform: translate3d(0,0,19px);
	display: none;
	width: 295px;
	height: 390px;
	top: 5px;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bk-list li .bk-front,
.bk-list li .bk-back,
.bk-list li .bk-front > div {
	width: 300px;
	height: 400px;
}

.bk-list li .bk-left,
.bk-list li .bk-right {
	width: 40px;
	left: -20px;
}

.bk-list li .bk-top,
.bk-list li .bk-bottom {
	width: 295px;
	height: 40px;
	top: -15px;
}

.bk-list li .bk-back {
	-webkit-transform: rotate3d(0,1,0,-180deg) translate3d(0,0,20px);
	-moz-transform: rotate3d(0,1,0,-180deg) translate3d(0,0,20px);
	transform: rotate3d(0,1,0,-180deg) translate3d(0,0,20px);
	border-radius: 3px 0 0 3px;
}

.bk-list li .bk-cover-back {
	background-color: #000;
	-webkit-transform: rotate3d(0,1,0,-180deg);
	-moz-transform: rotate3d(0,1,0,-180deg);
	transform: rotate3d(0,1,0,-180deg);
}

.bk-list li .bk-right {
	height: 390px;
	top: 5px;
	-webkit-transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
	-moz-transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
	transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bk-list li .bk-left {
	height: 400px;
	-webkit-transform: rotate3d(0,1,0,-90deg);
	-moz-transform: rotate3d(0,1,0,-90deg);
	transform: rotate3d(0,1,0,-90deg);
	box-shadow: 
		inset 4px 0 5px rgba(255,255,255,0.1), 
		inset 5px 0 5px rgba(0,0,0,0.05),
		inset -5px 0 5px rgba(0,0,0,0.04);;
}

.bk-list li .bk-top {
	-webkit-transform: rotate3d(1,0,0,90deg);
	-moz-transform: rotate3d(1,0,0,90deg);
	transform: rotate3d(1,0,0,90deg);
}

.bk-list li .bk-bottom {
	-webkit-transform: rotate3d(1,0,0,-90deg) translate3d(0,0,390px);
	-moz-transform: rotate3d(1,0,0,-90deg) translate3d(0,0,390px);
	transform: rotate3d(1,0,0,-90deg) translate3d(0,0,390px);
}

/* Transform classes */

.bk-list li .bk-viewinside .bk-front {
	-webkit-transform: translate3d(0,0,20px) rotate3d(0,1,0,-160deg);
	-moz-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: rotate3d(0,1,0,0deg) translateX(0px) translateZ(100px) !important;
	-moz-transform: rotate3d(0,1,0,0deg) translateX(0px) translateZ(100px) !important;
	transform: rotate3d(0,1,0,0deg) translateX(0px) translateZ(100px) !important;
}

.bk-list li .bk-book.bk-outside {
	-webkit-transform: rotate3d(0,1,0,90deg) translateX(-300px);
	-moz-transform: rotate3d(0,1,0,90deg) translateX(-300px);
	transform: rotate3d(0,1,0,90deg) translateX(-300px);
}

.bk-list li .bk-book.bk-viewback {
	-webkit-transform: translate3d(0,0,0px) rotate3d(0,1,0,180deg);
	-moz-transform: translate3d(0,0,0px) rotate3d(0,1,0,180deg);
	transform: translate3d(0,0,0px) rotate3d(0,1,0,180deg);
}

/* Main colors and content */

.bk-list li .bk-page,
.bk-list li .bk-right,
.bk-list li .bk-top,
.bk-list li .bk-bottom {
	background-color: #fff;
}

.bk-list li .bk-front > div {
	border-radius: 0 3px 3px 0;
	box-shadow: 
		inset 4px 0 10px rgba(0, 0, 0, 0.1);
}

.bk-list li .bk-front:after {
	content: '';
	position: absolute;
	top: 1px;
	bottom: 1px;
	left: -1px;
	width: 1px;
}

.bk-list li .bk-cover:after,
.bk-list li .bk-back:after {
	content: '';
	position: absolute;
	top: 0;
	left: 10px;
	bottom: 0;
	width: 3px;
	background: rgba(0,0,0,0.06);
	box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
}

.bk-list li .bk-back:after {
	left: auto;
	right: 10px;
}

.bk-left h2 {
	width: 400px;
	height: 40px;
	-webkit-transform-origin: 0 0;
	-moz-transform-origin: 0 0;
	transform-origin: 0 0;
	-webkit-transform: rotate(90deg) translateY(-40px);
	-moz-transform: rotate(90deg) translateY(-40px);
	transform: rotate(90deg) translateY(-40px);
}

.bk-content {
	position: absolute;
	top: 30px;
	left: 20px;
	bottom: 20px;
	right: 20px;
	padding: 30px;
	overflow: hidden;
	background: #fff;
	opacity: 0;
	pointer-events: none;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transition: opacity 0.3s ease-in-out;
	-moz-transition: opacity 0.3s ease-in-out;
	transition: opacity 0.3s ease-in-out;
	cursor: default;
}

.bk-content-current {
	opacity: 1;
	pointer-events: auto;
}

.bk-content p {
	padding: 0 0 10px;
	-webkit-font-smoothing: antialiased;
	color: #000;
	font-size: 13px;
	line-height: 20px;
	text-align: justify;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

.bk-page nav {
	display: block;
	text-align: center;
	margin-top: 20px;
	position: relative;
	z-index: 100;
	cursor: pointer;
}

.bk-page nav span {
	display: inline-block;
	width: 20px;
	height: 20px;
	color: #aaa;
	background: #f0f0f0;
	border-radius: 50%;
}

/* Individual style & artwork */

/* Book 1 */
.book-1 .bk-front > div,
.book-1 .bk-back,
.book-1 .bk-left,
.book-1 .bk-front:after {
	background-color: #ff924a;
}

.book-1 .bk-cover {
	background-image: url(../images/1.png);	
	background-repeat: no-repeat;
	background-position: 10px 40px;
}

.book-1 .bk-cover h2 {
	position: absolute;
	bottom: 0;
	right: 0;
	left: 0;
	padding: 30px;
	background: rgba(255,255,255,0.2);
	color: #fff;
	text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
}

.book-1 .bk-cover h2 span:first-child,
.book-1 .bk-left h2 span:first-child {
	text-transform: uppercase;
	font-weight: 400;
	font-size: 13px;
	padding-right: 20px;
}

.book-1 .bk-cover h2 span:first-child {
	display: block;
}

.book-1 .bk-cover h2 span:last-child,
.book-1 .bk-left 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-1 .bk-left h2 {
	color: #fff;
	font-size: 15px;
	line-height: 40px;
	padding-right: 10px;
	text-align: right;
}

.book-1 .bk-back p {
	color: #fff;
	font-size: 13px;
	padding: 40px;
	text-align: center;
	font-weight: 700;
}

/* Book 2 */

.book-2 .bk-front > div,
.book-2 .bk-back,
.book-2 .bk-left,
.book-2 .bk-front:after {
	background-color: #222;
}

.book-2 .bk-cover {
	background-image: url(../images/2.png);	
	background-repeat: no-repeat;
	background-position: 98% 0%;
}

.book-2 .bk-cover h2, 
.book-2 .bk-left h2 {
	color: #fff;
	font-family: 'the_godfatherregular', Georgia, serif;
	font-weight: 400;
}

.book-2 .bk-cover h2 {
	font-size: 138px;
	line-height: 102px;
	padding: 30px;
}

.book-2 .bk-cover h2 span:first-child {
	position: relative;
	display: block;
}

.book-2 .bk-cover h2 span:first-child:before {
	content: 'A novel';
	font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
	text-transform: uppercase;
	position: absolute;
	color: red;
	font-size: 20px;
	right: -15px;
	bottom: -60px;
}

.book-2 .bk-cover h2 span:last-child {
	font-size: 100px;
	line-height: 80px;
	display: block;
	position: relative;
}

.book-2 .bk-cover h2 span:last-child:before {
	content: 'by';
	font-size: 16px;
	color: red;
	position: absolute;
	top: -32px;
	left: 62px;
	font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
}

.book-2 .bk-cover h2 span:last-child:after {
	content: '';
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: #f9ed65;
	position: absolute;
	top: 5px;
	left: 101px;
}

.book-2 .bk-left h2 {
	font-size: 20px;
	line-height: 40px;
	padding-right: 10px;
	text-align: right;
}

.book-2 .bk-back p {
	color: red;
	font-size: 13px;
	font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
	padding: 40px;
	text-align: center;
}

/* Book 3 */

.book-3 .bk-front > div,
.book-3 .bk-back,
.book-3 .bk-left,
.book-3 .bk-front:after {
	background-color: #a4c19e;
}

.book-3 .bk-cover {
	background-image: url(../images/3.png);	
	background-repeat: no-repeat;
	background-position: 100% 95%;
}

.book-3 .bk-cover h2 {
	position: absolute;
	top: 40px;
	right: 40px;
	left: 40px;
	padding-top: 15px;
	color: #fff;
	text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
}

.book-3 .bk-cover h2 span:first-child,
.book-3 .bk-left h2 span:first-child {
	text-transform: uppercase;
	font-weight: 400;
	font-size: 13px;
	padding-right: 20px;
}

.book-3 .bk-cover h2 span:first-child {
	display: block;
}

.book-3 .bk-cover h2 span:last-child,
.book-3 .bk-left h2 span:last-child,
.book-3 .bk-content p  {
	font-family: Georgia, Times, "Times New Roman", serif;
} 

.book-3 .bk-left h2 {
	color: #fff;
	font-size: 14px;
	line-height: 40px;
	text-align: center;
}

.book-3 .bk-back img {
	width: 200px;
	display: block;
	margin: 30px auto 0;
}

.book-3 .bk-back p {
	color: #fff;
	font-size: 13px;
	font-family: Georgia, Times, "Times New Roman", serif;
	padding: 40px;
	text-align: center;
	text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
}

/* Some color variation for the other books */
.bk-list li:nth-child(4) .bk-book .bk-front > div,
.bk-list li:nth-child(4) .bk-book .bk-back,
.bk-list li:nth-child(4) .bk-book .bk-left,
.bk-list li:nth-child(4) .bk-book .bk-front:after {
	background-color: #cfa6ef;
}

.bk-list li:nth-child(5) .bk-book .bk-front > div,
.bk-list li:nth-child(5) .bk-book .bk-back,
.bk-list li:nth-child(5) .bk-book .bk-left,
.bk-list li:nth-child(5) .bk-book .bk-front:after {
	background-color: #FFC2CE;
}

.bk-list li:nth-child(6) .bk-book .bk-front > div,
.bk-list li:nth-child(6) .bk-book .bk-back,
.bk-list li:nth-child(6) .bk-book .bk-left,
.bk-list li:nth-child(6) .bk-book .bk-front:after {
	background-color: #80B3FF;
}

.bk-list li:nth-child(7) .bk-book .bk-front > div,
.bk-list li:nth-child(7) .bk-book .bk-back,
.bk-list li:nth-child(7) .bk-book .bk-left,
.bk-list li:nth-child(7) .bk-book .bk-front:after {
	background-color: #FD6E8A;
}

.bk-list li:nth-child(8) .bk-book .bk-front > div,
.bk-list li:nth-child(8) .bk-book .bk-back,
.bk-list li:nth-child(8) .bk-book .bk-left,
.bk-list li:nth-child(8) .bk-book .bk-front:after {
	background-color: #A2122F;
}

.bk-list li:nth-child(9) .bk-book .bk-front > div,
.bk-list li:nth-child(9) .bk-book .bk-back,
.bk-list li:nth-child(9) .bk-book .bk-left,
.bk-list li:nth-child(9) .bk-book .bk-front:after {
	background-color: #439877;
}

.bk-list li:nth-child(10) .bk-book .bk-front > div,
.bk-list li:nth-child(10) .bk-book .bk-back,
.bk-list li:nth-child(10) .bk-book .bk-left,
.bk-list li:nth-child(10) .bk-book .bk-front:after {
	background-color: #5E445D;
}

.bk-list li:nth-child(11) .bk-book .bk-front > div,
.bk-list li:nth-child(11) .bk-book .bk-back,
.bk-list li:nth-child(11) .bk-book .bk-left,
.bk-list li:nth-child(11) .bk-book .bk-front:after {
	background-color: #A8936D;
}

/* Fallbacks */

.no-csstransforms3d .bk-list li .bk-book > div,
.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,
.no-js .bk-info button {
	display: none;
}

.no-csstransforms3d .bk-list {
	width: auto;
}

.no-csstransforms3d .bk-list li {
	position: relative;
	width: 300px;
	margin: 10px;
	float: left;
}
