.WB_MAIN{
	overflow: hidden;
	text-align: center;
}

/* one item */
.wb-wrapper .block-grid [class*="column-"]:nth-child(1):nth-last-child(1) {
	width: 100%;
}

/* two items */
.wb-wrapper .block-grid [class*="column-"]:nth-child(1):nth-last-child(2),
.wb-wrapper .block-grid [class*="column-"]:nth-child(2):nth-last-child(1) {
	width: 50%;
}

/* three items */
.wb-wrapper .block-grid [class*="column-"]:nth-child(1):nth-last-child(3),
.wb-wrapper .block-grid [class*="column-"]:nth-child(2):nth-last-child(2),
.wb-wrapper .block-grid [class*="column-"]:nth-child(3):nth-last-child(1) {
	width: 33.3333%;
}

/* four items */
.wb-wrapper .block-grid [class*="column-"]:nth-child(1):nth-last-child(4),
.wb-wrapper .block-grid [class*="column-"]:nth-child(2):nth-last-child(3),
.wb-wrapper .block-grid [class*="column-"]:nth-child(3):nth-last-child(2),
.wb-wrapper .block-grid [class*="column-"]:nth-child(4):nth-last-child(1) {
	width: 25%;
}


.wb-wrapper [class*="column-"]{
	z-index: 1;
	padding: 0.5em;
}

.bg:after{
	content: "";
	position: absolute;
	top:0;
	width: 100%;
	height: 100%; /* FF3.6-15 */
	background: -webkit-gradient(linear, 0 0, 0 100%, from(rgba(255,255,255,1)), to(rgba(255,255,255,0)));
	background: -webkit-linear-gradient(rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
	background: -moz-linear-gradient(rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
	background: -o-linear-gradient(rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
	background: linear-gradient(rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%); /* Chrome10-25,Safari5.1-6 */ /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#00ffffff',GradientType=0 ); /* IE6-9 */
}

.bg-banner-padding{
	padding-bottom: 100px;
	margin-bottom: -20px;
}