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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

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. So you don't have access to higher-up elements like the <html> tag. If you want to add classes there that can affect the whole document, this is the place to do it.

About the <head>

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. If you need things in the <head> of the document, put that code here.

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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-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

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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 

              
                <script src="https://cdn.tailwindcss.com"></script>

<div class="wrapper">
  <div class="empty h-[100vh] flex justify-center items-center">
    Scroll Down
  </div>

  <div class="section-1">
    <div class="relative flex items-center lg:h-section bg-tertiary pt-24 pb-32 xs:py-32 lg:py-24">
      <div class="relative mx-auto max-w-xl px-4 xxs:px-8 text-center md:max-w-2xl lg:max-w-6xl xl:max-w-7xl lg:px-8 ">
        <div class="">
          <h2 class="strapline text-lg font-semibold text-primary">Deploy smarter</h2>
          <p class="header mt-2 text-2xl xxs:text-3xl font-semibold tracking-tight text-slate-700">Lorem ipsum dolor sit, amet consectetur</p>

          <p class="description mx-auto mt-5 max-w-prose px-2 text-xl text-gray-500">Lorem ipsum, dolor sit amet consectetur adipisicing elit. Omnis adipisci quo minus, dicta eveniet itaque unde vel eius? Eum, quae.</p>
        </div>
        <div class="mt-20">
          <div class="grid grid-cols-1 gap-8 xl:gap-12 lg:grid-cols-3">

            <div class="card pt-6">
              <div class="flow-root  min-h-[360px] shadow-sm rounded-lg bg-gray-50 px-6 pb-8">
                <div class="-mt-6">
                  <div class="card__icon">
                    <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQikvMfXSm_KGdWaPI9y-t-oXE_v5tYlmD2uw&usqp=CAU" alt="" class="w-32 mx-auto" />
                  </div>
                  <h3 class="card__header mt-8 text-xl font-semibold leading-8 tracking-tight text-gray-900">Adipisicing</h3>
                  <p class="card__description mt-5 text-base leading-7 text-gray-600">Ac tincidunt sapien vehicula erat auctor pellentesque rhoncus. Et magna sit morbi lobortis.</p>
                </div>
              </div>
            </div>

            <div class="card pt-6">
              <div class="flow-root  min-h-[360px] shadow-sm rounded-lg bg-gray-50 px-6 pb-8">
                <div class="-mt-6">
                  <div class="card__icon">
                    <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQikvMfXSm_KGdWaPI9y-t-oXE_v5tYlmD2uw&usqp=CAU" alt="" class="w-32 mx-auto" />
                  </div>
                  <h3 class="card__header mt-8 text-xl font-semibold leading-8 tracking-tight text-gray-900">Lorem ipsum</h3>
                  <p class="card__description mt-5 text-base leading-7 text-gray-600">
                    Lorem ipsum dolor sit amet consectetur adipisicing elit. Voluptate id esse odio adipisci sunt nisi dolor minima corporis recusandae! Aspernatur.
                  </p>
                </div>
              </div>
            </div>

            <div class="card pt-6">
              <div class="flow-root  min-h-[360px] shadow-sm rounded-lg bg-gray-50 px-6 pb-8">
                <div class="-mt-6">
                  <div class="card__icon">
                    <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQikvMfXSm_KGdWaPI9y-t-oXE_v5tYlmD2uw&usqp=CAU" alt="" class="w-32 mx-auto" />
                  </div>
                  <h3 class="card__header mt-8 text-xl font-semibold leading-8 tracking-tight text-gray-900">Voluptate id</h3>
                  <p class="card__description mt-5 text-base leading-7 text-gray-600">Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur, ut magni? Veniam autem harum excepturi fuga tempore inventore.</p>
                </div>
              </div>
            </div>

          </div>
        </div>
      </div>
    </div>
  </div>
  
  <div class="section-2">
      <div class="${this._elementName}" id="#${this._elementName}">

        <div class="bg-slate-500  flex items-end  justify-center h-4/6 xl:h-[65vh] pt-24 lg:pt-16 xl:pt-0">
          <div class="bg-primary w-full">
            <div class="max-w-xl mx-auto pb-24 px-4 xxs:pb-12 sm:pb-24 xxs:px-8 lg:relative lg:max-w-6xl xl:max-w-[1440px] xl:px-0 lg:z-10 lg:pb-0">
              <div class="relative w-full xxs:max-w-xl xs:mx-auto lg:mx-auto lg:grid lg:max-w-7xl lg:grid-cols-3 lg:gap-8 ">
                <!--  Image Wrapper -->
                <div class="relative -mt-32 lg:-my-8 lg:pb-0">
                <!-- <div aria-hidden="true" class="absolute inset-x-0 top-0 h-1/2 bg-white lg:hidden"></div> -->
                  <div class="mx-auto max-w-xl lg:h-full lg:p-0">
                    <div class="aspect-w-10 aspect-h-6 overflow-hidden rounded-xl shadow-xl xs:aspect-w-16 xs:aspect-h-7 lg:aspect-none lg:h-full">
                      <div class="bg-slate-700 h-full">
                        <img class="object-cover opacity-60 brightness-[40%] grayscale lg:h-full lg:w-full -scale-x-100 " src="${testimonialImage}" alt="">
                      </div>
                    </div>
                  </div>
                </div>
                <!-- Content Wrapper -->
                <div class="flex flex-col justify-center mt-8 xxs:mt-0 xxs:absolute xxs:left-0 xxs:top-0 xxs:h-full xxs:justify-between xxs:pt-8 xxs:pb-12 xxs:px-10 lg:relative lg:justify-start lg:mt-0 lg:left-auto lg:top-auto lg:col-span-2 lg:pl-12">
                  <p class="mt-2 text-2xl px-4 xxs:px-0 xxs:text-3xl font-semibold tracking-tight text-primaryDark xxs:text-primary sm:font-medium lg:text-primaryDark lg:mt-8 lg:pl-10 xl:mt-16">Our Vision</p>

                  <div class="mx-auto max-w-md mt-6 px-4 xxs:px-0 xs:max-w-2xl lg:max-w-5xl lg:mt-0 lg:px-0 lg:pt-8 lg:pb-10">
                    <blockquote>
                      <div class="relative">
                        <svg class="absolute -top-6 -left-4 lg:left-0 h-12 w-12 text-white opacity-25 " fill="currentColor" viewBox="0 0 32 32" aria-hidden="true">
                          <path d="M9.352 4C4.456 7.456 1 13.12 1 19.36c0 5.088 3.072 8.064 6.624 8.064 3.36 0 5.856-2.688 5.856-5.856 0-3.168-2.208-5.472-5.088-5.472-.576 0-1.344.096-1.536.192.48-3.264 3.552-7.104 6.624-9.024L9.352 4zm16.512 0c-4.8 3.456-8.256 9.12-8.256 15.36 0 5.088 3.072 8.064 6.624 8.064 3.264 0 5.856-2.688 5.856-5.856 0-3.168-2.304-5.472-5.184-5.472-.576 0-1.248.096-1.44.192.48-3.264 3.456-7.104 6.528-9.024L25.864 4z" />
                        </svg>
                        <p class="mt-2 text-xl  text-white lg:pl-10">Lorem ipsum, dolor sit amet consectetur adipisicing elit. Non repudiandae, molestiae perspiciatis nam delectus odit! Id officiis accusantium vel error aut nobis dignissimos, magnam doloribus repellat consequatur minus possimus recusandae quis laborum odit commodi architecto, praesentium natus sunt, dolorem vero enim ipsa illum! Voluptas saepe officiis error assumenda asperiores labore.</p>
                      </div>
                      <footer class="mt-6 lg:pl-10">
                        <p class="text-base font-medium text-white">Dominic Rumsey, 40</p>
                        <p class="text-base font-medium text-primaryDark xxs:text-primary lg:text-primaryDark">CEO at Sub1</p>
                      </footer>
                    </blockquote>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>

      </div>
  </div>
</div>
!

CSS
!

JS 

              
                const cards = gsap.utils.toArray(".card");
const cardIcons = gsap.utils.toArray(".card__icon");

// A match media object is kind of like a timeline in that tweens are added to it
const mm = gsap.matchMedia();
mm.add({
  sm: "(max-width: 1023px)",
  lg: "(min-width: 1024px)"
}, (context) => {  
  const { sm, lg } = context.conditions;
  
  headerAnimation();
  if(lg) cardAnimation();
  if(sm) mobileCardAnimation();
});


function headerAnimation() {
  const tl = gsap
    .timeline({paused:true})
    .from(".strapline", {
      autoAlpha: 0,
      y: 10
    })
    .from(".header", {
      autoAlpha: 0,
      y: -10
    }, '<.3')
    .from(".description", {
      autoAlpha: 0
    }, '<.3');
  
    ScrollTrigger.create({
      trigger: ".strapline",
      start: "top 80%",
      markers:true,
      onEnter: () => tl.play()
    });
  
    ScrollTrigger.create({
      trigger: '.strapline',
      start: "top 110%",
      markers:true,
      onLeaveBack: () => tl.pause(0)
    });
  
    return tl;
}

function cardAnimation() {
  tl = gsap
    .timeline({paused: true})
    .from(cards, {
      autoAlpha: 0,
      yPercent: 15,
      scale: 0.9,
      stagger: {
        each: 0.3,
        ease: "power.in"
      }
    }, '<-.2');
  
  // Separate scrolltrigger objects allow leaveback and onenter trigger points to be different
  ScrollTrigger.create({
    trigger: ".card",
    start: "top 80%",
    // markers:true,
    onEnter: () => tl.play()
  });
  ScrollTrigger.create({
    trigger: ".card",
    start: "top 110%",
    // markers:true,
    onLeaveBack: () => tl.pause(0)
  });
  
  return tl;
}

function mobileCardAnimation() {
  cards.forEach((card, index) => {
    const distance = index % 2 === 0 ? -5:5;
    const tl = gsap.timeline({paused:true}).from(card, {
      autoAlpha: 0,
      xPercent: gsap.utils.wrap([distance, -distance, distance]),
    });
    
    // Separate scrolltrigger objects allow leaveback and onenter trigger points to be different
    ScrollTrigger.create({
      trigger: card,
      start: "top 80%",
      // markers:true,
      onEnter: () => tl.play()
    });
    ScrollTrigger.create({
      trigger: card,
      start: "top 110%",
      // markers:true,
      onLeaveBack: () => tl.pause(0)
    });
  });
 
}
!
999px

Console