.bk-list {
	list-style: none;
	position: relative;
	width: 100%;
	margin: 0 auto;
	-webkit-perspective: 1800px;
	perspective: 1800px;
	-webkit-perspective-origin: 50% 15%;
	perspective-origin: 50% 15%;
}

.bk-list li.bk-li {
	position: relative;
	width: 115px;
	height: 400px;
	float: left;
	z-index: 1;
	margin: 0px 0px 0px 30px;
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

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

.bk-list li.bk-li .bk-book {
	cursor: pointer;
	position: absolute;
	width: 100%;
	height: 100%;
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition: -webkit-transform 0.5s;
	transition: transform 0.5s;
	-webkit-transform: rotate3d(0,1,0,89deg);
	transform: rotate3d(0,1,0,89deg);
}

.bk-list li.bk-li .bk-book:hover {
	-webkit-transform: rotateY(89deg) rotateZ(-15deg) translate3d(-100px,0,0);
	transform: rotateY(89deg) rotateZ(-15deg) translate3d(-40px,0,0);
}

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

.bk-list li.bk-li .bk-front {
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transform-origin: 0% 50%;
	transform-origin: 0% 50%;
	-webkit-transition: -webkit-transform 2.5s;
	transition: transform 2.5s;
	-webkit-transform: translate3d(0,0,20px);
	transform: translate3d(0,0,20px);
	font-size: 0.9rem;
}

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

.bk-list li.bk-li .bk-page {
	-webkit-transform: translate3d(0,0,19px);
	transform: translate3d(0,0,19px);
	display: none;
	width: 293px;
	height: 96%;
	top: 5px;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bk-list li.bk-li .bk-front,
.bk-list li.bk-li .bk-back,
.bk-list li.bk-li .bk-front > div {
	width: 250px;
	height: 100%;
	z-index: 1;
}

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

.bk-list li.bk-li .bk-top,
.bk-list li.bk-li .bk-bottom {
	width: 200px;
	height: 40px;
	top: -15px;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bk-list li.bk-li .bk-back {
	-webkit-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-li .bk-cover{
	padding: 50px; 
	padding-bottom: 0px;
	width: 110px;
	text-align: center;
}

.bk-list li.bk-li .bk-cover h2{
	position: absolute;
	left: 15px;
}

.bk-list li.bk-li .bk-cover-back {
	background-color: #000;
	-webkit-transform: rotate3d(0,1,0,-179deg);
	transform: rotate3d(0,1,0,-179deg);
}

.bk-list li.bk-li .bk-right {
	height: 96%;
	top: 5px;
	-webkit-transform: rotate3d(0,1,0,89deg) translate3d(0,0,250px);
	transform: rotate3d(0,1,0,89deg) translate3d(0,0,250px);
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bk-list li.bk-li .bk-spine {
	height: 100%;
	-webkit-transform: rotate3d(0,1,0,-89deg);
	transform: rotate3d(0,1,0,-89deg);
	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-li .bk-top {
	-webkit-transform: rotate3d(1,0,0,89deg);
	transform: rotate3d(1,0,0,89deg);
}

.bk-list li.bk-li .bk-bottom {
	-webkit-transform: rotate3d(1,0,0,-89deg) translate3d(0,0,390px);
	transform: rotate3d(1,0,0,-89deg) translate3d(0,0,390px);
}

/* Transform classes */

.bk-list li.bk-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-li .bk-book.bk-viewinside {
	-webkit-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-li .bk-book.bk-outside {
	-webkit-transform: rotate3d(0,1,0,89deg) translateX(-300px);
	transform: rotate3d(0,1,0,89deg) translateX(-300px);
}

.bk-list li.bk-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);
}

/* Main colors and content */

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

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

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

.bk-spine h2 {
	width: 250px;
	height: 40px;
	margin-top: 10px;
	margin-left: -5px;
	text-align: center;
	-webkit-transform-origin: 0 0;
	transform-origin: 0 0;
	-webkit-transform: rotate(89deg) translateY(-40px);
	transform: rotate(89deg) translateY(-40px);
}

.bk-content {
	position: absolute;
	top: 8px;
	left: 15px;
	bottom: 42px;
	right: 15px;
	overflow: auto;
	background: #fff;
	opacity: 0;
	pointer-events: none;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transition: opacity 0.3s ease-in-out;
	transition: opacity 0.3s ease-in-out;
	cursor: default;

	padding: 0;
	-webkit-font-smoothing: antialiased;
	color: #000;
	font-size: 0.9rem !important;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

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

.bk-page nav {
	display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
	text-align: center;
	position: absolute;
	bottom: 4px;
	left: 7px;
	width: 93%;
	z-index: 100;
	cursor: pointer;
}

.bk-page nav span {
	display: inline-block;
	width: 30px;
	height: 30px;
	font-size: 1.3rem;
	color: var(--white);
	background: var(--red);
	border-radius: 50%;
}

.bk-page nav .bk-page-prev{
	visibility: hidden;
}

.bk-page nav .bk-page-close{
	background: var(--black);
}

/* BOOKSHELVES */
.bookshelf .bk-list li.bk-li .bk-book .bk-spine{
	border-radius: 3px;
	height: 101%;
	margin-top: -1%;
}

.bookshelf .bk-list li.bk-li .bk-book .bk-front > div,
.bookshelf .bk-list li.bk-li .bk-book .bk-back,
.bookshelf .bk-list li.bk-li .bk-book .bk-front:after {
	box-shadow: 0 0 5px -1px black, inset -1px 1px 2px rgba(255, 255, 255, 0.5);
	margin: auto;
	border-radius: 5px;
}

.bookshelf .bk-list li.bk-li .bk-book .bk-spine .bk-spine-band{
	padding: 1px;
	border-top: 2px solid rgba(0, 0, 0, 0.1);
	margin-top: 20px;
}

/* BOOKSHELF 1 */

/* Some color variation for the other books */
.bookshelf:nth-child(1) .bk-list li:nth-child(1) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(1) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(1) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(1) .bk-book .bk-front:after {
	background: rgb(3,104,128);
	background: linear-gradient(180deg, rgba(3,104,128,1) 0%, rgba(3, 70, 87,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(2) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(2) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(2) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(2) .bk-book .bk-front:after {
	background: rgb(92, 72, 71);
	background: linear-gradient(180deg, rgba(92, 72, 71,1) 0%, rgba(72, 59, 58,1) 100%);
	color: var(--yellow);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(3) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(3) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(3) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(3) .bk-book .bk-front:after {
	background: rgb(203,52,39);
	background: linear-gradient(180deg, rgba(203,52,39,1) 0%, rgba(163, 40, 29,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(4) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(4) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(4) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(4) .bk-book .bk-front:after {
	background: rgb(255,255,255);
	background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(230, 230, 230,1) 100%);
	color: var(--red);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(5) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(5) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(5) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(5) .bk-book .bk-front:after {
	background: rgb(241,204,113);
	background: linear-gradient(180deg, rgba(241,204,113,1) 0%, rgba(251,175,0,1) 100%);
	color: var(--blue);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(6) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(6) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(6) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(6) .bk-book .bk-front:after {
	background: rgb(203,52,39);
	background: linear-gradient(180deg, rgba(203,52,39,1) 0%, rgba(163, 40, 29,1) 100%);
	color: var(--yellow);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(7) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(7) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(7) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(7) .bk-book .bk-front:after {
	background: rgb(0,0,0);
	background: linear-gradient(180deg, rgba(0,0,0) 0%, rgba(50, 50, 50,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(1) .bk-list li:nth-child(8) .bk-book .bk-front > div,
.bookshelf:nth-child(1) .bk-list li:nth-child(8) .bk-book .bk-back,
.bookshelf:nth-child(1) .bk-list li:nth-child(8) .bk-book .bk-spine,
.bookshelf:nth-child(1) .bk-list li:nth-child(8) .bk-book .bk-front:after {
	background: rgb(3,104,128);
	background: linear-gradient(180deg, rgba(3,104,128,1) 0%, rgba(3, 70, 87,1) 100%);
	color: var(--white);
}

/* BOOKSHELF 2 */
/* Default book colors */
.bookshelf:nth-child(2) .bk-list li:nth-child(even) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(even) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(even) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(even) .bk-book .bk-front:after {
	background: rgb(203,52,39);
	background: linear-gradient(180deg, rgba(203,52,39,1) 0%, rgba(163, 40, 29,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(2) .bk-list li:nth-child(odd) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(odd) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(odd) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(odd) .bk-book .bk-front:after {
	background: rgb(241,204,113);
	background: linear-gradient(180deg, rgba(241,204,113,1) 0%, rgba(251,175,0,1) 100%);
	color: var(--black);
}

/* Some color variation for the other books */
.bookshelf:nth-child(2) .bk-list li:nth-child(1) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(1) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(1) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(1) .bk-book .bk-front:after {

	background: rgb(241,204,113);
	background: linear-gradient(180deg, rgba(241,204,113,1) 0%, rgba(251,175,0,1) 100%);
	color: var(--brown);
}

.bookshelf:nth-child(2) .bk-list li:nth-child(2) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(2) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(2) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(2) .bk-book .bk-front:after {
	background: rgb(203,52,39);
	background: linear-gradient(180deg, rgba(203,52,39,1) 0%, rgba(163, 40, 29,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(2) .bk-list li:nth-child(3) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(3) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(3) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(3) .bk-book .bk-front:after {
	background: rgb(3,104,128);
	background: linear-gradient(180deg, rgba(3,104,128,1) 0%, rgba(3, 70, 87,1) 100%);
	color: var(--white);
}

.bookshelf:nth-child(2) .bk-list li:nth-child(4) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(4) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(4) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(4) .bk-book .bk-front:after {
	background: rgb(92, 72, 71);
	background: linear-gradient(180deg, rgba(92, 72, 71,1) 0%, rgba(72, 59, 58,1) 100%);
	color: var(--yellow);
}

.bookshelf:nth-child(2) .bk-list li:nth-child(5) .bk-book .bk-front > div,
.bookshelf:nth-child(2) .bk-list li:nth-child(5) .bk-book .bk-back,
.bookshelf:nth-child(2) .bk-list li:nth-child(5) .bk-book .bk-spine,
.bookshelf:nth-child(2) .bk-list li:nth-child(5) .bk-book .bk-front:after {
	background: rgb(0,0,0);
	background: linear-gradient(180deg, rgba(0,0,0) 0%, rgba(50, 50, 50,1) 100%);
	color: var(--yellow);
}

/* Fallbacks */
.no-csstransforms3d .bk-list li.bk-li .bk-book > div,
.no-csstransforms3d .bk-list li.bk-li .bk-book .bk-cover-back {
	display: none;
}

.no-csstransforms3d .bk-list li.bk-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.bk-li {
	position: relative;
	width: 250px;
	margin: 10px;
	float: left;
}