src/vs/workbench/browser/parts/views/viewPaneContainer.ts/ViewPaneDropOverlay/create
class ViewPaneDropOverlay:	private create(): void {
		// Container
		this.container = document.createElement('div');
		this.container.id = ViewPaneDropOverlay.OVERLAY_ID;
		this.container.style.top = '0px';

		// Parent
		this.paneElement.appendChild(this.container);
		this.paneElement.classList.add('dragged-over');
		this._register(toDisposable(() => {
			this.paneElement.removeChild(this.container);
			this.paneElement.classList.remove('dragged-over');
		}));

		// Overlay
		this.overlay = document.createElement('div');
		this.overlay.classList.add('pane-overlay-indicator');
		this.container.appendChild(this.overlay);

		// Overlay Event Handling
		this.registerListeners();

		// Styles
		this.updateStyles();
	}