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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

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About the <head>

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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HTML 

              
                <div class="w-full">
  <div class="w-full h-screen flex flex-col bg-indigo-200 justify-center px-4">
    <div class="container mx-auto p-8">
      <h1 class="text-3xl text-center font-semibold mb-12">GSAP ScrollTrigger Pinned Columns</h1>
      <p class="text-lg text-center">Scroll Down</p>
    </div>
  </div>
  <div class="w-full h-screen bg-pink-200 px-4" id="sectionOne">
    <div class="container mx-auto h-full flex justify-center items-center"><div class="h-[400px] overflow-hidden flex justify-center">
        <div class="w-1/2">
          <img class="max-w-none" src="https://images.unsplash.com/photo-1621286203046-7194a5fd81c9?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=600&q=60" alt="">
        </div>
        <div class="w-1/2 bg-teal-700 text-white flex justify-center">
          <div class="w-4/5">
            <div id="textOne">
              <p class="my-4">Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolor asperiores laborum temporibus pariatur quasi vel cumque autem sunt odit incidunt, eligendi maxime necessitatibus. Debitis facilis ducimus dolor iusto? Omnis autem velit doloremque libero, saepe illum expedita temporibus odit. Labore voluptate quae illum eos exercitationem facere consectetur nesciunt quibusdam quod atque.</p>
              <p class="my-4">Molestiae incidunt delectus dolore est earum velit laboriosam quam expedita! Unde, assumenda saepe beatae perspiciatis ea magnam illum quos nam eius impedit iure sed sunt illo quaerat laboriosam quod cum tenetur itaque dolores incidunt enim nobis inventore fugiat? Quo corporis cum nam voluptatibus. Adipisci tempora autem assumenda quae? Exercitationem, tempora.</p>
              <p class="my-4">Voluptate inventore earum officiis itaque, veritatis excepturi architecto perspiciatis quisquam numquam mollitia perferendis iusto? Beatae, magnam. Exercitationem error autem aliquid mollitia iusto expedita delectus omnis illo doloribus sapiente, officia maxime minima facere, magnam quod amet in maiores vero officiis porro ratione eos tempore nisi? Repellat atque at numquam architecto libero.</p>
              <p class="my-4">Porro, consequatur. Quo eligendi veritatis, architecto iure dolor tempora, nam obcaecati neque ipsam adipisci temporibus minima assumenda eos quod tenetur pariatur ab et. Nemo perferendis exercitationem et placeat esse hic qui. At possimus nemo cupiditate sint maiores, unde veritatis. Vero animi omnis temporibus modi voluptate deserunt dolor corrupti dolore eveniet.</p>
              <p class="my-4">Pariatur quaerat deleniti sequi reiciendis modi optio, autem nisi eos magni rem reprehenderit placeat fugit libero, nulla, odit natus voluptates cupiditate est possimus aliquid itaque magnam! Repudiandae culpa aliquid, debitis alias recusandae reiciendis doloribus. Totam, quae. Architecto rerum vitae eaque mollitia quas quasi suscipit tempore dolorum cum? Vel, unde repellendus.</p>
              <p class="my-4">Adipisci excepturi velit placeat similique sequi soluta illum facere officiis numquam doloremque temporibus ducimus nostrum inventore magnam aspernatur laborum libero laudantium obcaecati nemo, illo officia recusandae consequuntur minima expedita. Debitis maxime ducimus voluptates et unde adipisci ad iure at id earum harum magnam odio, vel eveniet consectetur. Quaerat, quasi velit.</p>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <div class="w-full h-[400px] bg-blue-200 px-4"></div>
  <div class="w-full h-screen bg-emerald-200 px-4" id="sectionTwo">
    <div class="container mx-auto h-full flex justify-center items-center">
      <div class="h-[400px] overflow-hidden flex justify-center">
        <div class="w-1/2 bg-orange-700 text-white flex justify-center">
          <div class="w-4/5">
            <div id="textTwo">
              <p class="my-4">Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolor asperiores laborum temporibus pariatur quasi vel cumque autem sunt odit incidunt, eligendi maxime necessitatibus. Debitis facilis ducimus dolor iusto? Omnis autem velit doloremque libero, saepe illum expedita temporibus odit. Labore voluptate quae illum eos exercitationem facere consectetur nesciunt quibusdam quod atque.</p>
              <p class="my-4">Molestiae incidunt delectus dolore est earum velit laboriosam quam expedita! Unde, assumenda saepe beatae perspiciatis ea magnam illum quos nam eius impedit iure sed sunt illo quaerat laboriosam quod cum tenetur itaque dolores incidunt enim nobis inventore fugiat? Quo corporis cum nam voluptatibus. Adipisci tempora autem assumenda quae? Exercitationem, tempora.</p>
              <p class="my-4">Voluptate inventore earum officiis itaque, veritatis excepturi architecto perspiciatis quisquam numquam mollitia perferendis iusto? Beatae, magnam. Exercitationem error autem aliquid mollitia iusto expedita delectus omnis illo doloribus sapiente, officia maxime minima facere, magnam quod amet in maiores vero officiis porro ratione eos tempore nisi? Repellat atque at numquam architecto libero.</p>
              <p class="my-4">Porro, consequatur. Quo eligendi veritatis, architecto iure dolor tempora, nam obcaecati neque ipsam adipisci temporibus minima assumenda eos quod tenetur pariatur ab et. Nemo perferendis exercitationem et placeat esse hic qui. At possimus nemo cupiditate sint maiores, unde veritatis. Vero animi omnis temporibus modi voluptate deserunt dolor corrupti dolore eveniet.</p>
              <p class="my-4">Pariatur quaerat deleniti sequi reiciendis modi optio, autem nisi eos magni rem reprehenderit placeat fugit libero, nulla, odit natus voluptates cupiditate est possimus aliquid itaque magnam! Repudiandae culpa aliquid, debitis alias recusandae reiciendis doloribus. Totam, quae. Architecto rerum vitae eaque mollitia quas quasi suscipit tempore dolorum cum? Vel, unde repellendus.</p>
              <p class="my-4">Adipisci excepturi velit placeat similique sequi soluta illum facere officiis numquam doloremque temporibus ducimus nostrum inventore magnam aspernatur laborum libero laudantium obcaecati nemo, illo officia recusandae consequuntur minima expedita. Debitis maxime ducimus voluptates et unde adipisci ad iure at id earum harum magnam odio, vel eveniet consectetur. Quaerat, quasi velit.</p>
            </div>
          </div>
        </div>
        <div class="w-1/2">
          <img class="max-w-none" src="https://images.unsplash.com/photo-1621286203046-7194a5fd81c9?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=600&q=60" alt="">
        </div>
      </div>
    </div>
  </div>
  <div class="w-full h-[400px] bg-blue-200 px-4"></div>
  <footer class="w-full h-24 bg-gray-800 text-white px-4 py-2">FOOTER</footer>
</div>
!

CSS
!

JS 

              
                gsap.registerPlugin(ScrollTrigger);
const textOne = document.getElementById("textOne");
const textTwo = document.getElementById("textTwo");
console.log(textOne);
const tweenOne = gsap.to(textOne, {
  y: 400 - textOne.clientHeight - 32,
  scrollTrigger: {
    trigger: "#sectionOne",
    pin: "#sectionOne",
    scrub: true,
    start: "top top",
    end: "+=700px",
    markers: true
  }
});
const tweenTwo = gsap.to(textTwo, {
  y: 400 - textTwo.clientHeight - 32,
  scrollTrigger: {
    trigger: "#sectionTwo",
    pin: "#sectionTwo",
    scrub: true,
    start: "top top",
    end: "+=700px",
    markers: true
  }
});
!
999px

Console