Hi,   This is my first GSAP project - a horizontal content page with scrolling and next/prev navigation. The idea is to have a variable width container holding a number of sections (each section @ 33%.3 vw) that can be scrolled with either the scroll wheel or on click. Movement via the scroll wheel is free, whereas the buttons should advance (or retreat) three sections at a time (screen width) except if the width is not divisible by three, then it would just move by the remaining amoun