Pen Settings



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.

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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.


Auto Save

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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

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Visit your global Editor Settings.


                <section class="spikes">
  <div class="content">
    <h1>Lorem ipsum</h1>
    <p>Quisque vitae feugiat nunc. Aenean rutrum iaculis lectus. Quisque lectus est, tristique vitae feugiat vitae, dapibus quis lacus.</p>

<section class="content white">
  <h2>Morbi et gravida leo</h2>
  <p>Interdum et malesuada fames ac ante ipsum primis in faucibus. Morbi id feugiat ex, ultricies volutpat diam.</p>


                .spikes {
  position: relative;
  background: #0bd;

.spikes::after {
  content: '';
  position: absolute;
  right: 0;
  left: -0%;
  top: 100%;
  z-index: 10;
  display: block;
  height: 80px;
  background-size: 80px 100%;
  background-image: linear-gradient(135deg, #0bd 25%, transparent 25%), linear-gradient(225deg, #0bd 25%, transparent 25%);
  background-position: 0 0;

.content {
  padding: 2rem;
.white {
  margin-top: 2rem;
h1, h2 {
  font-family: 'Lobster Two', cursive;