.bk-list {
	list-style: none;
	position: relative;
}

.bk-list li {
	position: relative;
	float: left;
	margin: 20px 10px 15px 0;
	-webkit-perspective: 1800px;
	-moz-perspective: 1800px;
	perspective: 1800px;
}
.bk-list li .bk-left {
	-webkit-transform: rotate3d(0,1,0,-90deg);
	-moz-transform: rotate3d(0,1,0,-90deg);
	transform: rotate3d(0,1,0,-90deg);
}
@media (min-width: 1201px) {
    .bk-list li {width: 270px;}
    .bk-list img{height: 406px;}
    .bk-list li .bk-front,.bk-list li .bk-back,.bk-list li .bk-front > div {width: 270px; height: 406px;}
    .bk-list li .bk-left {height: 406px;}
    .book-headers{margin-top: 406px;}
}
@media (min-width: 992px) and (max-width: 1200px){
    .bk-list li {width: 220px;}
    .bk-list img{height: 331px;}
    .bk-list li .bk-front,.bk-list li .bk-back,.bk-list li .bk-front > div {width: 220px; height: 331px;}
    .bk-list li .bk-left {height: 331px;}
    .book-headers{margin-top: 331px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .bk-list li {width: 165px;}
    .bk-list img{height: 248px;}
    .bk-list li .bk-front,.bk-list li .bk-back,.bk-list li .bk-front > div {width: 165px; height: 248px;}
    .bk-list li .bk-left {height: 248px;}
    .book-headers{margin-top: 248px;}
}
@media (min-width: 375px) and (max-width: 767px){
    .bk-list li {width: 160px;}
    .bk-list img{height: 241px;}
    .bk-list li .bk-front,.bk-list li .bk-back,.bk-list li .bk-front > div {width: 160px; height: 241px;}
    .bk-list li .bk-left {height: 241px;}
    .book-headers{margin-top: 241px;}
}
@media (max-width: 374px){
    .bk-list li {width: 270px;}
    .bk-list img{height: 406px;}
    .bk-list li .bk-front,.bk-list li .bk-back,.bk-list li .bk-front > div {width: 270px; height: 406px;}
    .bk-list li .bk-left {height: 406px;}
    .book-headers{margin-top: 406px;}
}

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


.bk-info button.bk-active,
.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);
}

.no-touch .bk-info button:hover,
.bk-info button.bk-active {
	background: #d0544e;
}

.bk-list li .bk-book {
	position: absolute;
	width: 100%;
	height: 2px;
	-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;
}

.bk-list li .bk-book.bk-bookdefault:hover {
	-webkit-transform: rotate3d(0,1,0,50deg);
	-moz-transform: rotate3d(0,1,0,50deg);
	transform: rotate3d(0,1,0,50deg);
}

.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;
	z-index: 10;
	overflow: hidden;
}

.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-left,
.bk-list li .bk-right {
}


.bk-list li .bk-back {
	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);
}




/* 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: translate3d(0,0,150px) rotate3d(0,1,0,0deg);
	-moz-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);
	-moz-transform: translate3d(0,0,0px) rotate3d(0,1,0,180deg);
	transform: translate3d(0,0,0px) rotate3d(0,1,0,180deg);
}

.bk-list li .bk-viewback .bk-back {
	z-index: 10;
	overflow: hidden;
}

/* 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);
	overflow: hidden;
}

.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-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%;
}



/* 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;
}