/* main vertical scroll */
.preview {
	position:relative;
	overflow:hidden;
	height: 450px;
}

/* root element for pages */
.pages {
	position:absolute;
	height:20000em;
}
/* root element for horizontal scrollables */
.scrollable {
	position:relative;
	overflow:hidden;
	width: 510px;
	height: 450px;
}

/* root element for scrollable items */
.scrollable .items {
	width:20000em;
	position:absolute;
	clear:both;
}