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?

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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.


  <p>Gingerbread soufflé brownie pie marzipan. Gummies pie pudding icing chocolate cake apple pie chocolate bar. Sweet marzipan powder lollipop gummi bears chupa chups jelly beans marshmallow. Tootsie roll chocolate cake marshmallow. Sesame snaps pastry cotton candy tart applicake. Candy lemon drops cheesecake jelly cake jelly beans oat cake biscuit.</p>
  <p>Apple pie cupcake wafer pie ice cream sugar plum caramels tart brownie. Chocolate cake cotton candy tiramisu lollipop. Carrot cake biscuit wafer jelly soufflé sesame snaps gummi bears.</p> 

  <p>Pudding bear claw chocolate cake gingerbread candy bear claw jelly wafer applicake. Candy jelly beans lollipop tootsie roll applicake lemon drops. Croissant croissant cupcake chupa chups sweet applicake cheesecake biscuit cotton candy.</p>


                @media (min-width: 540px) {
  main {
    width: 75%;
    float: left;
  aside {
    width: 25%;
    float: left;