I noticed that very specific to Apple iOS mobile devices using the Safari browser on mobile, using the animation effect marginRight for background elements having a background-image with repeat-x seemed to have a stuttering effect. When viewed in desktop browsers and browsers other than Safari, the stuttering effect on the background repeated element is not seen. Is it because of one of the CSS effects I applied, which is the width != 100%, or is it the way GSAP JavaScript code is written? Please kindly view the Codepen attached. All good helpful feedback appreciated!