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I have a problem with implementing gsap scrolltrigger in my nextJS app. I tried implementing exactly same functionality as below But the problem is that there seem to be some problem with the container/structure in the project as the markers (when shown) is at the end of the page (after all components). I'm building the nextjs app as frontend to headless Wordpress with flexible content. I have used gsap (without Scrolltrigger) for another components/animation and that works well. What could be the issue?