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CSS

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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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Babel includes JSX processing.

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HTML 

              
                <!-- Website -->
<nav>
  <a href="#">My Travel Site</a>
  <ul class="grid-3">
    <li>Home</li>
    <li>About</li>
    <li>Archive</li>
  </ul>
</nav>
<article>
  <h1>The Ultimate Weekend Road Trip Guide</h1>
  
<figure class="hero">
  <img src="https://source.unsplash.com/1600x980" alt="">
  <figcaption>This Demo Uses Images from the <a href="https://unsplash.com">Unsplash</a> API.</figcaption>
</figure>

<p class="leading">Atque similique quia eos cupiditate, repellat quibusdam rerum, facilis quisquam eius beatae omnis excepturi. Sint, qui doloremque sit voluptate quis voluptatum, distinctio sunt eaque voluptas placeat praesentium amet error nostrum!</p>
  
<blockquote>Harum quo <i>distinctio facilis</i> dolorem. Consectetur iste repellendus impedit</blockquote>
  
<p>Harum quo distinctio facilis dolorem. Consectetur iste repellendus impedit, odio, corrupti aliquid officia molestiae hic mollitia, omnis aperiam quos enim alias doloribus sint libero ipsa numquam reprehenderit laudantium voluptatibus voluptates!</p

<figure>
  <img src="https://source.unsplash.com/random/1600x920" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>

<h2>Make sure you're stocked up on snacks</h2>

<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/410" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/411" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/430" alt="">
</figure>
</div>

<p>Atque similique quia eos cupiditate, repellat quibusdam rerum, facilis quisquam eius beatae omnis excepturi. <i>Sint, qui doloremque sit voluptate quis voluptatum</i>, distinctio sunt eaque voluptas placeat praesentium amet error nostrum!</p>

<iframe src="https://codepen.io" style="width: 100%; height: 500px" frameborder="0"></iframe>

<p>Ex provident eos expedita odio quas, et rem nemo voluptatibus necessitatibus ab, voluptatum nam nesciunt impedit sint repellendus, dolorem cumque vero! Ipsa minus perspiciatis dolores! Magnam assumenda quidem itaque totam?</p>
  
<ul>
  <li>Lorem ipsum dolor sit amet consectetur, adipisicing elit.</li>
  <li>Aut expedita magni, provident tenetur non voluptatem culpa nesciunt deleniti dolor amet ducimus a quis veniam nisi odit ex cupiditate sunt.</li>
  <li>Fugit illo illum sapiente neque id soluta sunt error harum nulla qui blanditiis, nemo perspiciatis nesciunt, voluptate voluptates excepturi ipsa sequi vero vitae.</li>
  <li>Debitis aperiam ipsa hic quibusdam animi ipsum.</li>
</ul>

<p><a href="#">Atque similique</a> quia eos cupiditate, repellat quibusdam rerum, facilis quisquam eius beatae omnis excepturi. Sint, qui doloremque sit voluptate quis voluptatum, distinctio sunt eaque voluptas placeat praesentium amet error nostrum!</p>
  
<div class="grid-2">
  <figure>
  <img src="https://source.unsplash.com/random/620" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  <figure>
  <img src="https://source.unsplash.com/random/610" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
</div>
  
<figure>
  <img src="https://source.unsplash.com/random/800x400" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, <a href="#">doloremque debitis</a> deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  
  <figure>
  <img src="https://source.unsplash.com/random/1600x900">
  <figcaption>Perspiciatis modi reprehenderit quisquam suscipit ipsum totam labore, voluptatibus illum adipisci inventore quos dolorum velit!</figcaption>
</figure>
  
<p>Lorem ipsum dolor sit amet consectetur, adipisicing elit. Quam modi tempora perferendis. Repellendus, facere accusamus. Distinctio, sit! Cupiditate voluptatibus at id eos nulla consequuntur, dicta animi aut, reiciendis minus hic?</p>

<h2>Don't forget to plan your stay</h2>
  
<p>Quo sed quis <a href="#">fuga atque</a> aliquid iste optio sunt voluptatum, laudantium enim dicta explicabo animi ipsa necessitatibus itaque hic ab rem dolor temporibus harum iure? Itaque minima quos architecto quia.
Velit soluta error, fugiat placeat deleniti tempore voluptatum consectetur repudiandae. Sit sed nihil numquam itaque facere labore earum neque, officia reiciendis non ea deserunt magnam tenetur! Magnam officiis vitae quidem?</p>
  
<figure>
  <img src="https://source.unsplash.com/random/1200x800" alt="">
  <figcaption>Sunt dignissimos impedit corrupti aliquam adipisci quisquam est reprehenderit illum aspernatur alias, commodi neque ipsam eveniet odio amet nemo harum hic voluptatem optio quod culpa. Fugiat totam eaque excepturi amet.
  </figcaption>
</figure>
  
<blockquote>Minus accusamus explicabo voluptatum at exercitationem aliquam aspernatur odit corrupti!</blockquote>

<p>Velit ipsum eum quos? Voluptatum, quidem veniam repellat rerum impedit ducimus! <b>Provident perferendis</b>, nostrum dolorum nesciunt earum amet dicta repellat ad vitae, laudantium iste assumenda fuga mollitia nobis, consequatur adipisci?</p>
  
<div class="p-group-flex">
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p>
  <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
</div>

<p>Velit ipsum eum quos? Voluptatum, quidem veniam repellat rerum impedit ducimus! <b>Provident perferendis</b>, nostrum dolorum nesciunt earum amet dicta repellat ad vitae, laudantium iste assumenda fuga mollitia nobis, consequatur adipisci?</p>

<iframe src="https://css-tricks.com" style="width: 100%; height: 500px" frameborder="0"></iframe>
  
<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/650" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/400" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/350" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/700" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/600" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/550" alt="">
</figure>
</div>

<figure>
  <img src="https://source.unsplash.com/random/1200x600" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  
  <figure>
  <img src="https://source.unsplash.com/random/1200x700" alt="">
  <figcaption>Perspiciatis modi reprehenderit quisquam suscipit ipsum totam labore, voluptatibus illum adipisci inventore quos dolorum velit!</figcaption>
</figure>

<p>Atque similique quia eos cupiditate, repellat quibusdam rerum, facilis quisquam eius beatae omnis excepturi. Sint, qui doloremque sit voluptate quis voluptatum, distinctio sunt eaque voluptas placeat praesentium amet error nostrum!</p>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>

<h2>Choose your travel partners wisely</h2>
  
<div class="grid-2">
  <figure>
  <img src="https://source.unsplash.com/random/670" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  <figure>
  <img src="https://source.unsplash.com/random/600" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
</div>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<div class="grid-3">
<figure>
  <img src="https://source.unsplash.com/random/300" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/301" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/302" alt="">
</figure>
</div>
  
<figure>
  <img src="https://source.unsplash.com/random/1600x910" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  
  <figure>
  <img src="https://source.unsplash.com/random/1600x940" alt="">
  <figcaption>Perspiciatis modi reprehenderit quisquam suscipit ipsum totam labore, voluptatibus illum adipisci inventore quos dolorum velit!</figcaption>
</figure>

  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>  

<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<figure>
  <img src="https://source.unsplash.com/random/1200x700" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>

<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/650" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/680" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/690" alt="">
</figure>
</div>


<p>Perferendis accusamus asperiores nihil repudiandae, dignissimos sint natus, cumque consectetur maxime ducimus voluptates, nesciunt repellat! Rerum in totam voluptatibus quidem numquam perspiciatis fugiat delectus laboriosam praesentium explicabo, officiis, magnam perferendis?</p>

<blockquote>Lorem ipsum dolor sit amet consectetur adipisicing elit. Cum, nemo veritatis.</blockquote>

<h2>Don't forget to take photos!</h2>
  
<p>Corporis deleniti consequuntur corrupti dolor sit tempora assumenda, quia quos modi aliquam, ex exercitationem asperiores est magni iste repellendus voluptatibus, alias maxime? Amet nostrum voluptates nam odio eius reprehenderit accusantium!</p>
  
<div class="grid-2">
  <figure>
  <img src="https://source.unsplash.com/random/530" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  <figure>
  <img src="https://source.unsplash.com/random/535" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
</div>

<div class="p-group-flex">
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
</div>
  
<figure>
  <img src="https://source.unsplash.com/random/1600x950" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>
  
<figure>
  <img src="https://source.unsplash.com/random/1200x600" alt="">
  <figcaption>Lorem ipsum dolor sit amet consectetur, adipisicing elit. <a href="#">Doloremque</a>, praesentium.</figcaption>
</figure>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p> 

<iframe src="https://smashingmagazine.com" style="width: 100%; height: 500px" frameborder="0"></iframe>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<figure>
  <img src="https://source.unsplash.com/random/1600x900" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>

<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/450" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/450" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/450" alt="">
</figure>
</div>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p> 
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>

<div class="p-group-flex">
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p>
  <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
</div>

<p>Velit ipsum eum quos? Voluptatum, quidem veniam repellat rerum impedit ducimus! <b>Provident perferendis</b>, nostrum dolorum nesciunt earum amet dicta repellat ad vitae, laudantium iste assumenda fuga mollitia nobis, consequatur adipisci?</p>

<iframe src="https://css-tricks.com" style="width: 100%; height: 500px" frameborder="0"></iframe>
  
<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/650" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/400" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/350" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/700" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/600" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/550" alt="">
</figure>
</div>

<figure>
  <img src="https://source.unsplash.com/random/1200x700" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  
  <figure>
  <img src="https://source.unsplash.com/random/1200x700" alt="">
  <figcaption>Perspiciatis modi reprehenderit quisquam suscipit ipsum totam labore, voluptatibus illum adipisci inventore quos dolorum velit!</figcaption>
</figure>

<p>Atque similique quia eos cupiditate, repellat quibusdam rerum, facilis quisquam eius beatae omnis excepturi. Sint, qui doloremque sit voluptate quis voluptatum, distinctio sunt eaque voluptas placeat praesentium amet error nostrum!</p>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<div class="grid-2">
  <figure>
  <img src="https://source.unsplash.com/random/621" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  <figure>
  <img src="https://source.unsplash.com/random/620" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
</div>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<div class="grid-3">
<figure>
  <img src="https://source.unsplash.com/random/611" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/609" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/610" alt="">
</figure>
</div>
  
<figure>
  <img src="https://source.unsplash.com/random/1620x910" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  
  <figure>
  <img src="https://source.unsplash.com/random/1610x940" alt="">
  <figcaption>Perspiciatis modi reprehenderit quisquam suscipit ipsum totam labore, voluptatibus illum adipisci inventore quos dolorum velit!</figcaption>
</figure>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<figure>
  <img src="https://source.unsplash.com/random/1240x700" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>

<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/689" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/681" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/691" alt="">
</figure>
</div>


<p>Perferendis accusamus asperiores nihil repudiandae, dignissimos sint natus, cumque consectetur maxime ducimus voluptates, nesciunt repellat! Rerum in totam voluptatibus quidem numquam perspiciatis fugiat delectus laboriosam praesentium explicabo, officiis, magnam perferendis?</p>

<blockquote>Lorem ipsum dolor sit amet consectetur adipisicing elit. Cum, nemo veritatis.</blockquote>
  
<p>Corporis deleniti consequuntur corrupti dolor sit tempora assumenda, quia quos modi aliquam, ex exercitationem asperiores est magni iste repellendus voluptatibus, alias maxime? Amet nostrum voluptates nam odio eius reprehenderit accusantium!</p>
  
<div class="grid-2">
  <figure>
  <img src="https://source.unsplash.com/random/603" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
  <figure>
  <img src="https://source.unsplash.com/random/604" alt="">
  <figcaption>Facilis nesciunt perferendis porro incidunt, doloremque debitis deleniti blanditiis eum ab fuga magnam asperiores provident.</figcaption>
</figure>
</div>

<div class="p-group-flex">
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae. Temporibus, eum!</p>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
</div>
  
<figure>
  <img src="https://source.unsplash.com/random/1602x950" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>
  
<figure>
  <img src="https://source.unsplash.com/random/1234x640" alt="">
  <figcaption>Lorem ipsum dolor sit amet consectetur, adipisicing elit. <a href="#">Doloremque</a>, praesentium.</figcaption>
</figure>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p> 

<iframe src="https://smashingmagazine.com" style="width: 100%; height: 500px" frameborder="0"></iframe>
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
<figure>
  <img src="https://source.unsplash.com/random/1601x900" alt="">
  <figcaption><a href="#">Lorem ipsum</a> dolor sit amet consectetur, adipisicing elit. Doloremque, praesentium.</figcaption>
</figure>

<div class="grid-3">
  <figure>
  <img src="https://source.unsplash.com/random/452" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/453" alt="">
</figure>
<figure>
  <img src="https://source.unsplash.com/random/451" alt="">
</figure>
</div>
  
<p>Recusandae, eveniet? Pariatur voluptatibus voluptatem ad aut iusto rem officia eum, repudiandae facere ratione ipsum id cumque molestias placeat laboriosam quis iure excepturi suscipit quia maiores, provident beatae.</p> 
  
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Asperiores placeat corrupti vel harum. Omnis inventore, eum quo obcaecati at iusto voluptate explicabo soluta, nisi quisquam asperiores ratione, possimus ea totam?</p>
  
</article>

<footer>
  Footer. Thank you!
</footer>
!

CSS 

              
                html {
  font-size: 20px;
}

body {
  background: #fdfbf5;
  margin: 0 auto;
  padding: 0 2rem;
  font-family: 'system-ui', sans-serif;
  box-sizing: border-box;
  max-width: 1000px;
  line-height: 1.4;
}

blockquote {
  padding: 2rem;
  border:  3px double hotpink;
}

p {
  max-width: 52ch;
}

h1 {
  text-align: center;
  font-size: 2.75rem;
}

a {
  color: mediumvioletred;
}

ul {
  list-style: none;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
}

figure {
  width: 100%;
  margin: 0;
}

img {
  width: 100%;
}

ul {
  list-style: circle;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.grid-2 figcaption {
  float: none;
  margin: -1rem auto 1rem;
}

.leading {
  font-size: 120%;
}

.leading::first-letter {
  font-size: 150%;
  font-weight: 800;
}

.hero {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.hero figcaption {
  margin: -1rem auto 0;
}

figcaption {
  font-size: 80%;
  background: mistyrose;
  padding: 1rem;
  margin: -1rem 0 1rem -1rem;
  z-index: 1;
  position: relative;
  width: 80%;
  max-width: 400px;
}

figure + figure figcaption {
  float: right;
  margin: -1rem -1rem 1rem 0;
}

figure img:not(.hero) {
  background: pink;
}

footer {
  font-style: italic;
  text-align: center;
  padding: 3rem;
  color: gray;
}

.p-group-flex {
  display: flex;
}

.p-group-flex p {
  margin: 1rem;
}

.grid-3,
.grid-2,
.p-group-flex {
  content-visibility: auto;
}
!

JS
!
999px

Console