I know there are a million posts about this cuberto.com effect, but I can't find anyone that has combined the effect akapowl ultimately achieves here:  See the Pen 71b0d3b98ebd526c8abf2bb4b70ac702 by akapowl (@akapowl) on CodePen  but swapping out Scrollbar for the ScrollSmoother plugin. I had this basically working with no scrolling library prior to adding ScrollSmoother by wrapping the whole section in a .scroller div that had overflow-y:scroll and a set height o