.bb-custom-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.bb-custom-wrapper .bb-bookblock {
    width: 100%;
    height: 100%;
    -webkit-perspective: 2000px;
    perspective: 2000px;
}

.bb-custom-side {
    width: 50%;
    float: left;
    height: 100%;
    overflow: hidden;
}

.bb-custom-wrapper > nav {
    width: 100%;
    height: 40px;
    margin: 1em auto 0;
    position: fixed;
    bottom: 20px;
    z-index: 1000;
    text-align: center;
}

.bb-custom-wrapper > nav a {
    display: inline-block;
    width: 40px;
    height: 40px;
    text-align: center;
    border-radius: 2px;
    background: #1baede;
    color: #fff;
    font-size: 0;
    margin: 2px;
}

.bb-custom-wrapper > nav a:hover {
    opacity: 0.6;
}

.bb-custom-icon:before {
    font-family: 'arrows';
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    font-size: 30px;
    line-height: 40px;
    display: block;
    -webkit-font-smoothing: antialiased;
}

.bb-custom-icon-first:before,
.bb-custom-icon-last:before {
    content: "\e002";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-arrow-right:before {
    content: "\e003";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-first:before {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}

/* No JS */
.no-js .bb-custom-wrapper {
    height: auto;
}

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




.bb-bookblock {
	width: 100%;
	margin: 0 auto;
	position: relative;
	z-index: 100;
	-webkit-perspective: 1300px;
	perspective: 1300px;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bb-page {
	position: absolute;
    left: 0;
    top: 0;
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition-property: -webkit-transform;
	transition-property: transform;
}

.bb-vertical .bb-page {
	width: 50%;
	height: 100%;
	left: 50%;
	-webkit-transform-origin: left center;
	transform-origin: left center;
}

.bb-horizontal .bb-page {
	width: 100%;
	height: 50%;
	top: 50%;
	-webkit-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;
	-webkit-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;
	transform-style: preserve-3d;
}

.bb-vertical .bb-back {
	-webkit-transform: rotateY(-180deg);
	transform: rotateY(-180deg);
}

.bb-horizontal .bb-back {
	-webkit-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);
	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);
	transform: rotateX(180deg);
}

/* Content display */
.bb-content {
	background: #fff;
}

.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);
	transform: rotateY(-180deg);
}

.bb-vertical .bb-flip-prev {
	-webkit-transform: rotateY(0deg);
	transform: rotateY(0deg);
}

.bb-horizontal .bb-flip-next,
.bb-horizontal .bb-flip-initial {
	-webkit-transform: rotateX(180deg);
	transform: rotateX(180deg);
}

.bb-horizontal .bb-flip-prev {
	-webkit-transform: rotateX(0deg);
	transform: rotateX(0deg);
}

.bb-vertical .bb-flip-next-end {
	-webkit-transform: rotateY(-15deg);
	transform: rotateY(-15deg);
}

.bb-vertical .bb-flip-prev-end {
	-webkit-transform: rotateY(-165deg);
	transform: rotateY(-165deg);
}

.bb-horizontal .bb-flip-next-end {
	-webkit-transform: rotateX(15deg);
	transform: rotateX(15deg);
}

.bb-horizontal .bb-flip-prev-end {
	-webkit-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;
}