#roadblocks {
	position: relative;
}

@media screen and (min-width: 1024px) {
	#roadblocks {
		margin: 0 160px;
		width: 1024px; margin: 0 auto;
	}
}

#roadblocks .roadblock {
	width: 160px;
	height: 600px;
	top: 0;
  position: absolute;
}

#js-rblContainer {
  margin-left: -160px;
}

#js-rbrContainer {
	left: 1024px;
}

.wide-ad {
	margin-left: auto;
	margin-right: auto;
	margin-top: 10px;
	margin-bottom: 10px;
}

.wide-ad.big {
	height:90px; width:728px;
}

.wide-ad.small {
	height:60px; width: 234px;
}

@media screen and (max-width: 1024px) {
	.show-small {
		display: block
	}

	.show-big {
		display: none;
	}
}

@media screen and (min-width: 1024px) {
	.show-big {
		display: block
	}

	.show-small {
		display: none
	}
}