.bb-bookblock {
	width:830px;
	height:580px;
	background: #f0f0f0;
 
}
ul.bb-custom-grid {
	list-style: none;
	margin: 0 auto 30px auto;
	padding: 0;
	max-width: 790px;
}
/* Micro clearfix hack by Nicolas Gallagher http://nicolasgallagher.com/micro-clearfix-hack/ */
ul.bb-custom-grid:before,
ul.bb-custom-grid:after {
	content: " ";
    display: table;
}
ul.bb-custom-grid:after {
	clear: both;
}
/* end clearfix hack */
ul.bb-custom-grid li {
	float: left;
	width:830px;
/*	height:700px;
*/	padding:0 0 0 0;
	background: #fff;
	position:relative;
	-webkit-box-sizing: content-box;
	-moz-box-sizing: content-box;
	box-sizing: content-box;
	margin-bottom: 20px;
	box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

ul.bb-custom-grid li:nth-child(odd) {
	margin-right: 20px;
	
}

ul.bb-custom-grid li:before,
ul.bb-custom-grid li:after{
	content: '';
	position: absolute;
	z-index: -2;
	bottom: 15px;
	left:  10px;
	width: 50%;
	height: 20%;
	box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
	-webkit-transform: rotate(-3deg);
	-moz-transform: rotate(-3deg);
	-ms-transform: rotate(-3deg);
	-o-transform: rotate(-3deg);
	transform: rotate(-3deg);
		background:#f2f2f2;
 
}

ul.bb-custom-grid li:after {
	right: 10px;
	left: auto;
	-webkit-transform: rotate(3deg);
	-moz-transform: rotate(3deg);
	-ms-transform: rotate(3deg);
	-o-transform: rotate(3deg);
	transform: rotate(3deg);
	
}

ul.bb-custom-grid li a {
	display: block;
}

ul.bb-custom-grid li h3 {
/*	background:url(../images/hd_01.jpg) no-repeat left top ;*/
	color: #4b4a4a;
	margin: 0;
	padding:5px 18px 0 18px;
	text-transform:'微軟正黑體', '細明體','Helvetica Neue', Arial,sans-serif, Calibri;
	font-weight: 400;
	font-size: 24px;
	line-height:65px;
	letter-spacing: 0.01em;
	background: url(..//images/h3_bg.jpg) no-repeat center top;
	border-bottom:5px solid #e2e0dd;
 }

ul.bb-custom-grid nav {
	text-align: center;
	margin-top: 12px;
	padding-bottom: 5px;
	position:absolute;
	z-index:1;
	right:2%;
 	top:3%;
 }
 ul.bb-custom-grid nav span {
	display: inline-block;
	width: 20px;
	height: 20px;
	border-radius: 50%;
 	margin: 3px;
	cursor: pointer;
	box-shadow: 
		inset 0 1px 1px rgba(0,0,0,0.2), 
		0 2px 1px rgba(255,255,255,0.9);
 
}


ul.bb-custom-grid nav span.bb-current {
	background: #5b278c;
 }