simpler event for activating affix and defining offset, clean up comments
add basic pagination to logic
change affix to only activate once on loading
more organized script
speed up scrolling
visual feedback when dragging droppable
rename to pager, which is slightly clearer
slight refactoring to allow affix of headings while scrolling the inner div
adjust styling of pager
adjust paging behavior for logic
affix all 3 sections, accounting for 1 section having pagination