.bb-bookblock {
	height: 600px;
	margin: 0 auto;
	position: relative;
	z-index: 100;
	-webkit-perspective: 1300px;
	-moz-perspective: 1300px;
	perspective: 1300px;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}
.bb-page {
	position: absolute;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition-property: -webkit-transform;
	-moz-transition-property: -moz-transform;
	transition-property: transform;
}
.bb-vertical .bb-page {
	width: 50%;
	height: 100%;
	left: 50%;
	-webkit-transform-origin: left center;
	-moz-transform-origin: left center;
	transform-origin: left center;
}
.bb-horizontal .bb-page {
	width: 100%;
	height: 50%;
	top: 50%;
	-webkit-transform-origin: center top;
	-moz-transform-origin: center top;
	transform-origin: center top;
}
.bb-page > div,
.bb-outer,
.bb-content,
.bb-inner {
	position: absolute;
	height: 100%;
	width: 100%;
	top: 0;
	left: 0;
	background: #fff;
}
.bb-outer {
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}
.bb-vertical .bb-content {
	width: 200%;
}
.bb-horizontal .bb-content {
	height: 200%;
}
.bb-page > div {
	width: 100%;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}
.bb-page > div:not(:only-child) {
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}
.bb-vertical .bb-back {
	-webkit-transform: rotateY(-180deg);
	-moz-transform: rotateY(-180deg);
	transform: rotateY(-180deg);
}
.bb-horizontal .bb-back {
	-webkit-transform: rotateX(-180deg);
	-moz-transform: rotateX(-180deg);
	transform: rotateX(-180deg);
}
.bb-outer {
	width: 100%;
	overflow: hidden;
	z-index: 999;
}
.bb-overlay, 
.bb-flipoverlay {
	background-color: rgba(0, 0, 0, 0.7);
	position: absolute;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	opacity: 0;
}
.bb-flipoverlay {
	background-color: rgba(0, 0, 0, 0.2);
}
/* */

.bb-bookblock.bb-vertical > div.bb-page:first-child,
.bb-bookblock.bb-vertical > div.bb-page:first-child .bb-back {
	-webkit-transform: rotateY(180deg);
	-moz-transform: rotateY(180deg);
	transform: rotateY(180deg);
}
.bb-bookblock.bb-horizontal > div.bb-page:first-child,
.bb-bookblock.bb-horizontal > div.bb-page:first-child .bb-back {
	-webkit-transform: rotateX(180deg);
	-moz-transform: rotateX(180deg);
	transform: rotateX(180deg);
}
/* Content display */
.bb-vertical .bb-front .bb-content {
	left: -100%;
}
.bb-horizontal .bb-front .bb-content {
	top: -100%;
}
/* Flipping classes */
.bb-vertical .bb-flip-next,
.bb-vertical .bb-flip-initial {
	-webkit-transform: rotateY(-180deg);
	-moz-transform: rotateY(-180deg);
	transform: rotateY(-180deg);
}
.bb-vertical .bb-flip-prev {
	-webkit-transform: rotateY(0deg);
	-moz-transform: rotateY(0deg);
	transform: rotateY(0deg);
}
.bb-horizontal .bb-flip-next,
.bb-horizontal .bb-flip-initial {
	-webkit-transform: rotateX(180deg);
	-moz-transform: rotateX(180deg);
	transform: rotateX(180deg);
}
.bb-horizontal .bb-flip-prev {
	-webkit-transform: rotateX(0deg);
	-moz-transform: rotateX(0deg);
	transform: rotateX(0deg);
}
.bb-vertical .bb-flip-next-end {
	-webkit-transform: rotateY(-15deg);
	-moz-transform: rotateY(-15deg);
	transform: rotateY(-15deg);
}
.bb-vertical .bb-flip-prev-end {
	-webkit-transform: rotateY(-165deg);
	-moz-transform: rotateY(-165deg);
	transform: rotateY(-165deg);
}
.bb-horizontal .bb-flip-next-end {
	-webkit-transform: rotateX(15deg);
	-moz-transform: rotateX(15deg);
	transform: rotateX(15deg);
}
.bb-horizontal .bb-flip-prev-end {
	-webkit-transform: rotateX(165deg);
	-moz-transform: rotateX(165deg);
	transform: rotateX(165deg);
}
.bb-item {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	display: none;
	background: #fff;
}
/* No JS */
.no-js .bb-bookblock, 
.no-js ul.bb-custom-grid li {
	width: auto;
	height: auto;
}
.no-js .bb-item {
	display: block;
	position: relative;
}
.bb-custom-wrapper {
	width: 100%;
	height: 100%;
	position: relative;
}
.bb-custom-wrapper .bb-bookblock {
	-webkit-perspective: 2000px;
	-moz-perspective: 2000px;
	perspective: 2000px;
}
.bb-custom-side {
	width: 50%;
	float: left;
	height: 100%;
	overflow: hidden;
	background: #f2f2f2;
	/* Centering with flexbox */
	display: -webkit-box;
	display: -moz-box;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: row;
	flex-direction: row;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	-webkit-box-pack: center;
	-moz-box-pack: center;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-box-align: center;
	-moz-box-align: center;
	-webkit-align-items: center;
	align-items: center;
}
.bb-custom-side .bb-text {
	text-align: center;
	text-transform: uppercase;
	padding: 0 30px;
}
.bb-custom-side .bb-text h3 {
	font-size: 20px;
	font-weight: 100;
	letter-spacing: 5px;
	margin-bottom: 2px;
}
.bb-custom-side .bb-text h2 {
	font-size: 60px;
	font-weight: 900;
	margin-top: 0;
}
.bb-custom-side .bb-text .btn {
	border-color: #3c3e43;
	font-size: 11px;
	padding: 8px 22px;
	font-weight: 600;
	margin-top: 12px;
}
.bb-custom-wrapper > nav {
	z-index: 1000;
	position: relative;
	width: 100%;
	position: absolute;
	top: 50%;
	margin-top: -37.5px;
}
.bb-custom-wrapper > nav a {
	display: inline-block;
	width: 25px;
	height: 75px;
	line-height: 74px;
	text-align: center;
	background: #f54b31;
	color: #fff;
	font-size: 14px;
	margin-left: -12.5px;
}
.bb-custom-wrapper > nav a:last-child {
	float: right;
	margin-right: -12.5px;
}
.bb-custom-wrapper > nav a:hover {
	opacity: 0.6;
}
/* No JS */
.no-js .bb-custom-wrapper {
	height: auto;
}

.no-js .bb-custom-content {
	height: 470px;
}

@media screen and (max-width: 61.75em){
	.bb-custom-side {
		font-size: 70%;
	}
}

@media screen and (max-width: 33em){
	.bb-custom-side {
		font-size: 60%;
	}
}