Simple Fix angular 7 taskk

Hello /////////////////////////////////// ///////////////////////////////////////////////// i can't make mat-grid-list to trigger onScroll() to load more content... I need to solve the problem, or to find a way to make this responsive. I think, the way that mat-grid-list work, can't trigger the event onScroll() because what you are actually scrolling isn't the list, but the entire section div... [login to view URL]