Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's 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 it's URL and the proper URL extention.

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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.

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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.


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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.


                <div class="stripe">
  <div class="stripe-inner">
    Phasellus accumsan leo et arcu ornare accumsan eget id massa. Aliquam vitae turpis maximus, egestas enim sed, accumsan augue. Mauris posuere convallis metus, ut consectetur sem finibus eu. Integer blandit lectus vitae consequat facilisis. Proin tristique ut metus sit amet tincidunt. Nam vitae gravida leo. Pellentesque sed libero in odio volutpat vestibulum. Phasellus maximus tincidunt urna eget tincidunt.


                body {
  padding: 30px;
  font: 16px/1.4 sans-serif;
.stripe {
  padding: 10px;
  background-size: 10px 10px;
  background-color: #f8845d;
  background-image: linear-gradient(45deg,#f8b55d 25%,transparent 25%,transparent 50%,#f8b55d 50%,#f8b55d 75%,transparent 75%,transparent);
.stripe-inner {
  background: #fff;
  padding: 20px;