#aside_feed.sticky {
	position: relative;
}

#aside_feed.sticky .tree {
	position: absolute;
	left: 0;
	width: 100%;
	margin-top: 0;
	overflow-y: auto;
}

@media(max-width: 840px) {
	/* No effect on mobile. And yep, under 840px it is a mobile... a big one. */
	#aside_feed.sticky .tree {
		position: static;
	}
}