/*����Դ��,���ɱ༭��Դ����Ψһ���ص�ַ: http://www.bootstrapmb.com/item/7539�����˱�עֻ��������ʾվ�����ص�Դ�벻��������*/a {	color: #2c3e50;	text-decoration: none;}.btn {	display: inline-block;	text-transform: uppercase;	border: 2px solid #2c3e50;	margin-top: 100px; 	font-size: 0.7em;	font-weight: 700;	padding: 0.1em 0.4em;	text-align: center;	-webkit-transition: color 0.3s, border-color 0.3s;	-moz-transition: color 0.3s, border-color 0.3s;	transition: color 0.3s, border-color 0.3s;}.btn:hover {	border-color: #9749f8;	color: #9749f8;}/* basic grid, only for this demo */.align {	clear: both;	margin: 90px auto 20px;	width: 100%;	max-width: 1170px;	text-align: center;}.align >li {	width: 500px;	min-height: 300px;	display: inline-block;	margin: 30px 20px 30px 30px;	padding: 0 0 0 60px;	vertical-align: top;}/* ///////////////////////////////////////////////////HARDCOVERTable of Contents1. container2. background & color3. opening cover, back cover and pages4. position, transform y transition5. events6. Bonus	- Cover design	- Ribbon	- Figcaption7. mini-reset/////////////////////////////////////////////////////*//*	1. container*/.book {	position: relative;	width: 160px; 	height: 220px;	-webkit-perspective: 1000px;	-moz-perspective: 1000px;	perspective: 1000px;	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	margin-top: 80px;}/*	2. background & color*//* HARDCOVER FRONT */.hardcover_front li:first-child {	background-color: #eee;	-webkit-backface-visibility: hidden;	-moz-backface-visibility: hidden;	backface-visibility: hidden;}/* reverse */.hardcover_front li:last-child {	background: #fffbec;}/* HARDCOVER BACK */.hardcover_back li:first-child {	background: #fffbec;}/* reverse */.hardcover_back li:last-child {	background: #fffbec;}.book_spine li:first-child {	background: #eee;}.book_spine li:last-child {	background: #333;}/* thickness of cover */.hardcover_front li:first-child:after,.hardcover_front li:first-child:before,.hardcover_front li:last-child:after,.hardcover_front li:last-child:before,.hardcover_back li:first-child:after,.hardcover_back li:first-child:before,.hardcover_back li:last-child:after,.hardcover_back li:last-child:before,.book_spine li:first-child:after,.book_spine li:first-child:before,.book_spine li:last-child:after,.book_spine li:last-child:before {	background: #999;}/* page */.page >li {	background: -webkit-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);	background: -moz-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);	background: -ms-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);	background: linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);	box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.1), inset -1px 0px 1px rgba(150, 150, 150, 0.2);	border-radius: 0px 5px 5px 0px;}/*	3. opening cover, back cover and pages*/.hardcover_front {	-webkit-transform: rotateY(-34deg) translateZ(8px);	-moz-transform: rotateY(-34deg) translateZ(8px);	transform: rotateY(-34deg) translateZ(8px);	z-index: 100;}.hardcover_back {	-webkit-transform: rotateY(-15deg) translateZ(-8px);	-moz-transform: rotateY(-15deg) translateZ(-8px);	transform: rotateY(-15deg) translateZ(-8px);}.page li:nth-child(1) {	-webkit-transform: rotateY(-28deg);	-moz-transform: rotateY(-28deg);	transform: rotateY(-28deg);}.page li:nth-child(2) {	-webkit-transform: rotateY(-30deg);	-moz-transform: rotateY(-30deg);	transform: rotateY(-30deg);}.page li:nth-child(3) {	-webkit-transform: rotateY(-32deg);	-moz-transform: rotateY(-32deg);	transform: rotateY(-32deg);}.page li:nth-child(4) {	-webkit-transform: rotateY(-34deg);	-moz-transform: rotateY(-34deg);	transform: rotateY(-34deg);}.page li:nth-child(5) {	-webkit-transform: rotateY(-36deg);	-moz-transform: rotateY(-36deg);	transform: rotateY(-36deg);}/*	4. position, transform & transition*/.hardcover_front,.hardcover_back,.book_spine,.hardcover_front li,.hardcover_back li,.book_spine li {	position: absolute;	top: 0;	left: 0;	width: 100%;	height: 100%;	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;}.hardcover_front,.hardcover_back {	-webkit-transform-origin: 0% 100%;	-moz-transform-origin: 0% 100%;	transform-origin: 0% 100%;}.hardcover_front {	-webkit-transition: all 0.8s ease, z-index 0.6s;	-moz-transition: all 0.8s ease, z-index 0.6s;	transition: all 0.8s ease, z-index 0.6s;}/* HARDCOVER front */.hardcover_front li:first-child {	cursor: default;	-webkit-user-select: none;	-moz-user-select: none;	user-select: none;	-webkit-transform: translateZ(2px);	-moz-transform: translateZ(2px);	transform: translateZ(2px);}.hardcover_front li:last-child {	-webkit-transform: rotateY(180deg) translateZ(2px);	-moz-transform: rotateY(180deg) translateZ(2px);	transform: rotateY(180deg) translateZ(2px);}/* HARDCOVER back */.hardcover_back li:first-child {	-webkit-transform: translateZ(2px);	-moz-transform: translateZ(2px);	transform: translateZ(2px);}.hardcover_back li:last-child {	-webkit-transform: translateZ(-2px);	-moz-transform: translateZ(-2px);	transform: translateZ(-2px);}/* thickness of cover */.hardcover_front li:first-child:after,.hardcover_front li:first-child:before,.hardcover_front li:last-child:after,.hardcover_front li:last-child:before,.hardcover_back li:first-child:after,.hardcover_back li:first-child:before,.hardcover_back li:last-child:after,.hardcover_back li:last-child:before,.book_spine li:first-child:after,.book_spine li:first-child:before,.book_spine li:last-child:after,.book_spine li:last-child:before {	position: absolute;	top: 0;	left: 0;}/* HARDCOVER front */.hardcover_front li:first-child:after,.hardcover_front li:first-child:before {	width: 4px;	height: 100%;}.hardcover_front li:first-child:after {	-webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	-moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	transform: rotateY(90deg) translateZ(-2px) translateX(2px);}.hardcover_front li:first-child:before {	-webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);	-moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);	transform: rotateY(90deg) translateZ(158px) translateX(2px);}.hardcover_front li:last-child:after,.hardcover_front li:last-child:before {	width: 4px;	height: 160px;}.hardcover_front li:last-child:after {	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);}.hardcover_front li:last-child:before {	box-shadow: 0px 0px 30px 5px #333;	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);}/* thickness of cover */.hardcover_back li:first-child:after,.hardcover_back li:first-child:before {	width: 4px;	height: 100%;}.hardcover_back li:first-child:after {	-webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	-moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	transform: rotateY(90deg) translateZ(-2px) translateX(2px);}.hardcover_back li:first-child:before {	-webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);	-moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);	transform: rotateY(90deg) translateZ(158px) translateX(2px);}.hardcover_back li:last-child:after,.hardcover_back li:last-child:before {	width: 4px;	height: 160px;}.hardcover_back li:last-child:after {	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);}.hardcover_back li:last-child:before {	box-shadow: 10px -1px 80px 20px #666;	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);}/* BOOK SPINE */.book_spine {	-webkit-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);	-moz-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);	transform: rotateY(60deg) translateX(-5px) translateZ(-12px);	width: 16px;	z-index: 0;}.book_spine li:first-child {	-webkit-transform: translateZ(2px);	-moz-transform: translateZ(2px);	transform: translateZ(2px);}.book_spine li:last-child {	-webkit-transform: translateZ(-2px);	-moz-transform: translateZ(-2px);	transform: translateZ(-2px);}/* thickness of book spine */.book_spine li:first-child:after,.book_spine li:first-child:before {	width: 4px;	height: 100%;}.book_spine li:first-child:after {	-webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	-moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);	transform: rotateY(90deg) translateZ(-2px) translateX(2px);}.book_spine li:first-child:before {	-webkit-transform: rotateY(-90deg) translateZ(-12px);	-moz-transform: rotateY(-90deg) translateZ(-12px);	transform: rotateY(-90deg) translateZ(-12px);}.book_spine li:last-child:after,.book_spine li:last-child:before {	width: 4px;	height: 16px;}.book_spine li:last-child:after {	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);}.book_spine li:last-child:before {	box-shadow: 5px -1px 100px 40px rgba(0, 0, 0, 0.2);	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);	transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);}.page,.page >li {	position: absolute;	top: 0;	left: 0;	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;}.page {	width: 100%;	height: 98%;	top: 1%;	left: 3%;	z-index: 10;}.page >li {	width: 100%;	height: 100%;	-webkit-transform-origin: left center;	-moz-transform-origin: left center;	transform-origin: left center;	-webkit-transition-property: transform;	-moz-transition-property: transform;	transition-property: transform;	-webkit-transition-timing-function: ease;	-moz-transition-timing-function: ease;	transition-timing-function: ease;	text-align:center;}.page >li:nth-child(1) {	-webkit-transition-duration: 0.6s;	-moz-transition-duration: 0.6s;	transition-duration: 0.6s;}.page >li:nth-child(2) {	-webkit-transition-duration: 0.6s;	-moz-transition-duration: 0.6s;	transition-duration: 0.6s;}.page >li:nth-child(3) {	-webkit-transition-duration: 0.4s;	-moz-transition-duration: 0.4s;	transition-duration: 0.4s;}.page >li:nth-child(4) {	-webkit-transition-duration: 0.5s;	-moz-transition-duration: 0.5s;	transition-duration: 0.5s;}.page >li:nth-child(5) {	-webkit-transition-duration: 0.6s;	-moz-transition-duration: 0.6s;	transition-duration: 0.6s;}/*	5. events*/.book:hover >.hardcover_front {	-webkit-transform: rotateY(-145deg) translateZ(0);	-moz-transform: rotateY(-145deg) translateZ(0);	transform: rotateY(-145deg) translateZ(0);	z-index: 0;}.book:hover >.page li:nth-child(1) {	-webkit-transform: rotateY(-30deg);	-moz-transform: rotateY(-30deg);	transform: rotateY(-30deg);	-webkit-transition-duration: 1.5s;	-moz-transition-duration: 1.5s;	transition-duration: 1.5s;}.book:hover >.page li:nth-child(2) {	-webkit-transform: rotateY(-35deg);	-moz-transform: rotateY(-35deg);	transform: rotateY(-35deg);	-webkit-transition-duration: 1.8s;	-moz-transition-duration: 1.8s;	transition-duration: 1.8s;}.book:hover >.page li:nth-child(3) {	-webkit-transform: rotateY(-118deg);	-moz-transform: rotateY(-118deg);	transform: rotateY(-118deg);	-webkit-transition-duration: 1.6s;	-moz-transition-duration: 1.6s;	transition-duration: 1.6s;}.book:hover >.page li:nth-child(4) {	-webkit-transform: rotateY(-130deg);	-moz-transform: rotateY(-130deg);	transform: rotateY(-130deg);	-webkit-transition-duration: 1.4s;	-moz-transition-duration: 1.4s;	transition-duration: 1.4s;}.book:hover >.page li:nth-child(5) {	-webkit-transform: rotateY(-140deg);	-moz-transform: rotateY(-140deg);	transform: rotateY(-140deg);	-webkit-transition-duration: 1.2s;	-moz-transition-duration: 1.2s;	transition-duration: 1.2s;}/*	6. Bonus*//* cover CSS */.coverDesign {	position: absolute;	top: 0;	left: 0;	bottom: 0;	right: 0;	overflow: hidden;	z-index: 1;	-webkit-backface-visibility: hidden;	-moz-backface-visibility: hidden;	backface-visibility: hidden;}.coverDesign::after {	background-image: -webkit-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);	background-image: -moz-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);	background-image: linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);	position: absolute;	top: 0;	left: 0;	bottom: 0;	right: 0;}.coverDesign h1 {	color: #fff;	font-size: 2.2em;	letter-spacing: 0.05em;	text-align: center;	margin: 54% 0 0 0;	text-shadow: -1px -1px 0 rgba(0,0,0,0.1);}.coverDesign p {	color: #f8f8f8;	font-size: 1em;	text-align: center;	text-shadow: -1px -1px 0 rgba(0,0,0,0.1);}.yellow {	background-image: -moz-linear-gradient(50deg, #5e2ced 0%, #9749f8 100%);    background-image: -webkit-linear-gradient(50deg, #5e2ced 0%, #9749f8 100%);    background-image: -ms-linear-gradient(50deg, #5e2ced 0%, #9749f8 100%);}.blue {	background: #0288d1;    background: -webkit-linear-gradient(45deg, #0288d1, #26c6da) !important;    background: -moz- oldlinear-gradient(45deg, #0288d1, #26c6da) !important;    background: -o-linear-gradient(45deg, #0288d1, #26c6da) !important;    background: linear-gradient(45deg, #0288d1, #26c6da) !important;}.grey {	background-color: #f8e9d1;	background-image: -webkit-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);	background-image: -moz-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);	background-image: linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);}/* Basic ribbon */.ribbon {	background: #c0392b;	color: #fff;	display: block;	font-size: 0.7em;	position: absolute;	    top: 11px;    right: -20px;    width: 83px;    height: 20px;	line-height: 20px;	letter-spacing: 0.15em; 	text-align: center;	-webkit-transform: rotateZ(45deg) translateZ(1px);	-moz-transform: rotateZ(45deg) translateZ(1px);	transform: rotateZ(45deg) translateZ(1px);	-webkit-backface-visibility: hidden;	-moz-backface-visibility: hidden;	backface-visibility: hidden;	z-index: 10;}.ribbon::before,.ribbon::after{	position: absolute;	top: -20px;	width: 0;	height: 0;	border-bottom: 20px solid #c0392b;	border-top: 20px solid transparent;}.ribbon::before{	left: -20px;	border-left: 20px solid transparent;}.ribbon::after{	right: -20px;	border-right: 20px solid transparent;}/* figcaption */figcaption {	padding-left: 40px;	text-align: left;	position: absolute;	top: 10px;	left: 160px;	width: 310px;	-webkit-backface-visibility: hidden;}/* Media Queries */@media screen and (max-width: 37.8125em) {	.align >li {		width: 100%;		min-height: 440px;		height: auto;		padding: 0;		margin: 0 0 30px 0;	}	.book {		margin: 0 auto;	}	figcaption {		text-align: center;		width: 320px;		top: 250px;		padding-left: 0;		left: -80px;		font-size: 90%;	}}/*����Դ��,���ɱ༭��Դ����Ψһ���ص�ַ: http://www.bootstrapmb.com/item/7539�����˱�עֻ��������ʾվ�����ص�Դ�벻��������*/