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Animation start marker is going above the set value

MurtazaKp test
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  const cardsRef = useRef(null);

  useEffect(() => {
    const cards = Array.from(cardsRef.current.children);
    const timeline = gsap.timeline({ defaults: { duration: 3 } });

    gsap.set(cards, { opacity: 0, x: 500 });

    cards.forEach((card) => {
      gsap.to(card, {
        x: 0,
        opacity: 1,
        duration: 1,
        ease: "ease-in-out",
        scrollTrigger: {
          trigger: card,
          start: "top 60%",
          end: "+=400",
          scrub: true,
  }, []);

Here is the code I am working with Next.js the the start market is going above the element and when we inspect the element it comes to the place 


first image is without inspect when first page load notice markers




when we inspect the marker comes in place why it is happening please help





this is my first post apologies for any  if the post is not according to guidelines

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  • MurtazaKp changed the title to Animation start marker is going above the set value

It's pretty tough to troubleshoot without a minimal demo - the issue could be caused by CSS, markup, a third party library, your browser, an external script that's totally unrelated to GSAP, etc. Would you please provide a very simple CodePen or CodeSandbox that demonstrates the issue? 


Please don't include your whole project. Just some colored <div> elements and the GSAP code is best (avoid frameworks if possible). See if you can recreate the issue with as few dependancies as possible. If not, incrementally add code bit by bit until it breaks. Usually people solve their own issues during this process! If not, then at least we have a reduced test case which greatly increases your chances of getting a relevant answer.


Here's a starter CodePen that loads all the plugins. Just click "fork" at the bottom right and make your minimal demo

See the Pen aYYOdN by GreenSock (@GreenSock) on CodePen


If you're using something like React/Next/Vue/Nuxt or some other framework, you may find StackBlitz easier to use. We have a series of collections with different templates for you to get started on these different frameworks: React/Next/Vue/Nuxt.


Once we see an isolated demo, we'll do our best to jump in and help with your GSAP-specific questions. 

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