Thanks for the kind words! We used a library called ScrollMagic (https://github.com/janpaepke/ScrollMagic https://github.com/janpaepke/ScrollMagic) to handle th

Thanks for the kind words! We used a library called ScrollMagic (https://github.com/janpaepke/ScrollMagic https://github.com/janpaepke/ScrollMagic) to handle the scroll listening and event triggering.