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HTML

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About the <head>

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Insecure Resource

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CSS

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CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                <div class="text-heading">
  <div class="main-statement intro-animation">
    <div class="line-animate">
      <p class="slide-up">Lorem ipsum dolor sit amet, consectetur adipiscing</p>
    </div>
    <div class="line-animate">
      <p class="slide-up">incididunt ut labore et dolore magna aliqua. Ut enim </p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">ad minim veniam, quis nostrud exercitation</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">magni dolores eos qui. ⬤ Quis autem vel eum iure</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">Neque porro quisquam est, qui dolorem ipsum quia dolor</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">reprehenderit qui in ea voluptate velit esse quam nihil</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">ullamco laboris nisi ut aliquip ex ea commodo consequat</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">aute irure dolor. ⬤ sequi nesciunt. Neque porro quisquam</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">et quasi architecto beatae vitae dicta sunt explicabo</p>
    </div>
    <div class="line-animate">
      <p class="pre-slide">accusantium doloremque laudantium, totam rem aperiam</p>
    </div>
  </div>
</div>
!

CSS 

              
                body,
h1,
h2,
h3 {
  margin: 0;
}
.slide-up {
  -webkit-animation: slide-up 2s cubic-bezier(0.65, 0, 0.35, 1) both;
  animation: slide-up 2s cubic-bezier(0.65, 0, 0.35, 1) both;
}

@-webkit-keyframes slide-up {
  0% {
    transform: translateY(100px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes slide-up {
  0% {
    transform: translateY(100px);
  }
  100% {
    transform: translateY(0);
  }
}

.line-animate {
  overflow: hidden;
}

.intro-animation .line-animate {
  -webkit-animation-delay: 0;
  animation-delay: 0;
}
.intro-animation > div:nth-child(2) > p
{
  -webkit-animation-delay: 0.55s;
  animation-delay: 0.55s;
}

.intro-animation > div:nth-child(3)
{
  -webkit-animation-delay: 0.85s;
  animation-delay: 0.85s;
}

.intro-animation > div {
  -webkit-animation-delay: 0;
  animation-delay: 0;
}
.text-heading {
  margin-top: 300px;
  width: 900px;
}
!

JS 

              
                gsap.registerPlugin( ScrollTrigger);

	const headings = gsap.utils.toArray('.pre-slide');

	ScrollTrigger.batch(headings, {
		start: 'top 90%',
		once: true,
		onEnter: (batch) =>
			gsap.to(batch, {
				yPercent: 0,
				duration: 2.0,
				stagger: 0.5,
				ease: 'power4',
			}),
	});
	gsap.set(headings, { yPercent: 100 });

	// since we're moving the initial position DOWN (yPercent: 100), it would affect where the triggers line up, but we want to base things on the natural position, so on the "refreshInit" event, we restore it. ScrollTrigger automatically reverts the tween we return.
	ScrollTrigger.addEventListener('refreshInit', () =>
		gsap.set(headings, { yPercent: 0 })
	);
!
999px

Console