src/vs/workbench/contrib/welcomeWalkthrough/browser/walkThroughPart.ts/WalkThroughPart/updateSizeClasses
class WalkThroughPart:	private updateSizeClasses() {
		const innerContent = this.content.firstElementChild;
		if (this.size && innerContent) {
			innerContent.classList.toggle('max-height-685px', this.size.height <= 685);
		}
	}