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.


Save Automatically?

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

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Visit your global Editor Settings.


                <div class="container">
  <h1>Hello World</h1>
    Curabitur finibus dolor non velit commodo consectetur. Praesent vel odio at eros efficitur finibus. Pellentesque consequat condimentum sapien, vitae feugiat odio viverra euismod. Nullam facilisis hendrerit nunc. Sed lectus lectus, auctor vel velit eget, vestibulum malesuada ex.
    Mauris commodo sapien eget est fermentum, quis elementum lorem hendrerit. Cras vitae nisi eu ante mollis eleifend. Phasellus vel hendrerit nibh. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos.


                @import url('');

body {
  background: #ddd;
  padding: 40px;
  font: 16px/1.4 sans-serif;
  color: #666;
.container {
  background: #fff;
  padding: 24% 30px 10px;
  overflow: hidden;
  position: relative;
h1 {
  font-family: 'Anton', sans-serif;
  font-size: 18.5vw;
  text-transform: uppercase;
  color: #000;
  position: absolute;
  top: -6vw;
  left: -1vw;
  white-space: nowrap;
p {
  margin-bottom: 20px;