src/vs/base/browser/ui/scrollbar/horizontalScrollbar.ts/HorizontalScrollbar/_renderDomNode
class HorizontalScrollbar:	protected _renderDomNode(largeSize: number, smallSize: number): void {
		this.domNode.setWidth(largeSize);
		this.domNode.setHeight(smallSize);
		this.domNode.setLeft(0);
		this.domNode.setBottom(0);
	}