Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <div class="container-1">
  <h1>Container-1</h1>
  <p class="lead">Det första exempelet är en enkelt variant, max-width. Den använder ingen css-matte och saknar padding. Det bör vara ganska tydligt i alla exempel att om ni använder en annan bakgrundsfärg i containern än sidan så blir paddingen viktig.</p>
  <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Libero harum quam id veniam aliquid est aperiam cum voluptates reprehenderit odit ab perspiciatis, autem pariatur quod amet magni et, illum laudantium! Lorem ipsum dolor sit, amet consectetur adipisicing elit. Asperiores, nesciunt est quis ratione temporibus, fuga incidunt rerum quaerat esse repellat atque, ullam facere debitis voluptas perferendis ut cumque optio expedita.</p>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolores eius obcaecati aliquam vel ratione veritatis iure eligendi distinctio. Ab omnis magni cupiditate corrupti necessitatibus eaque non at laborum animi labore.</p>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Iusto nemo dolorum ab odio esse molestias! Rem repellendus veniam deserunt, consectetur quisquam quod iste, tempore omnis natus quam vero, nam recusandae. Lorem ipsum dolor sit amet, consectetur adipisicing elit. Veniam laborum similique totam, mollitia officia nostrum, quaerat asperiores a velit suscipit earum cumque doloremque aperiam necessitatibus quam et esse placeat maxime!</p>
</div>
<div class="container-2">
  <h1>Container-2</h1>
  <p class="lead">Den här varianten använder css <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/min">min</a> och margin.</p>
  <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Libero harum quam id veniam aliquid est aperiam cum voluptates reprehenderit odit ab perspiciatis, autem pariatur quod amet magni et, illum laudantium! Lorem ipsum dolor sit amet consectetur adipisicing elit. Dignissimos suscipit aspernatur dicta, provident, praesentium non at maxime, fugiat iusto nihil rerum tenetur perspiciatis cumque! Commodi corporis ducimus explicabo officiis pariatur.</p>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolores eius obcaecati aliquam vel ratione veritatis iure eligendi distinctio. Ab omnis magni cupiditate corrupti necessitatibus eaque non at laborum animi labore. Lorem ipsum dolor sit amet consectetur adipisicing elit. Neque in, corporis hic, officia sapiente voluptas doloribus ab obcaecati praesentium distinctio quae nostrum culpa eos quos expedita enim numquam vitae debitis!</p>
</div>
<div class="container-3">
  <h1>Container-3</h1>
  <p class="lead">Den här varianten använder också css <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/min">min</a> men med en variabel för att justera max bredden. Här används också margin-inline istället för left/right, vilket enbart påverkar left/right värdena.</p>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis nesciunt quo iste voluptatem quos aperiam? Est amet adipisci non commodi blanditiis tempora, fugiat perspiciatis nisi molestiae! Ex quae rem magni! Lorem ipsum dolor sit amet consectetur adipisicing elit. Eligendi voluptatem provident iure quos, exercitationem eius adipisci sit unde magnam. Ab velit officia expedita debitis eum labore nam assumenda placeat deleniti!</p>
  <h2>Underrubrik</h2>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Pariatur, dicta esse recusandae placeat enim porro? Ea accusantium dolores, fuga odio omnis animi natus possimus inventore aliquam! Quis veniam sit illum! Lorem ipsum dolor sit amet consectetur adipisicing elit. Dicta repudiandae error ad quas nobis iure doloribus eum, laboriosam harum, temporibus ipsum vero beatae tenetur quae hic dolorem esse a distinctio.</p>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Exercitationem soluta, veniam blanditiis aliquid vel amet quia necessitatibus optio. Officiis laudantium minima sit maxime voluptate cum tempora quo nobis incidunt rem.</p>
</div>
<div class="container-3 container-4 responsive-padding">
  <h1>Container-4</h1>
  <p class="lead">Ett exempel som använder en responsiv padding som räknas ut med css funktionen <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/clamp">clamp</a>, annars så är containern samma som i exempel 3. Men vi testar här att sätta en annan --container-width med css variabeln. Varför en responsiv padding? För att på mindre skärmar så vill vi inte ha halva skärmen tom och innehållslös, utan vi kan utnyttja det bättre.</p>
  <h2>Lorem</h2>
  <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Consectetur voluptatem omnis nulla? Deleniti quasi voluptatibus debitis ut aliquam alias eos qui consequuntur. Quaerat fugit doloribus quibusdam omnis, dignissimos ex? Deserunt? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nemo ad unde nulla earum saepe delectus rem doloremque, laboriosam distinctio, iste, veritatis perferendis dolorem iure eius. Ratione laudantium adipisci consequatur numquam!</p>
  <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Velit suscipit, omnis magnam fuga, doloribus quos praesentium earum doloremque, ad sapiente veniam exercitationem nisi atque unde dicta nemo ducimus corporis inventore?</p>
</div>
              
            
!

CSS

              
                body {
  font-family: system-ui;
  font-size: 1.2rem;
}

h1,
h2,
p {
  max-width: 80ch;
}

.lead {
  font-size: 1.2em;
}

.container-1 {
  max-width: 54rem;
  margin-left: auto;
  margin-right: auto;
  background-color: rgba(50, 10, 10, 0.1);
}

.container-2 {
  width: min(70ch, 100% - 1rem * 2);
  margin-left: auto;
  margin-right: auto;
  background-color: rgba(10, 50, 10, 0.1);
}

.container-3 {
  width: min(100% - 3rem, var(--container-max, 60ch));
  margin-inline: auto;
  background-color: rgba(10, 10, 50, 0.1);
}

.responsive-padding {
  padding: 1.5rem clamp(1rem, 5%, 3rem);
}

.container-4 {
  --container-max: 80ch;
  background-color: rgba(10, 50, 50, 0.1);
}

              
            
!

JS

              
                
              
            
!
999px

Console