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.

+ add another resource


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


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

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.


                <header>Welcome to a webpage written entirely in Vanilla <strike>JS</strike> HTML.</header>

<!-- Heading -->
<p>My thoughts and ideas on rockets and the science behind them. <a href="" target="_blank">Learn more</a>.</p>

<!-- Article -->
<img src="" alt="Space shuttle"/>
<h4><a href="#">Lorem ipsum dolor sit, amet consectetur adipisicing elit</a></h4>
<p>Optio, beatae! Aut quis id voluptate ullam repellendus. Et sit, ipsa, non consequuntur magnam quaerat temporibus at officiis ab, expedita molestiae liber...</p>
<a href="#"><button><b>READ MORE</b></button></a>

<!-- Article break -->
	<summary>What was the secret behind this mission?</summary>
	<img src="" alt="Secret GIF">
	<p>Okay, go watch The Office.</p>

<!-- Article -->
<kbd>SPACE</kbd> <kbd>LUNA</kbd> <kbd>PRESSURE</kbd>
<h4><a href="#">Ad aspernatur, nemo unde neque laboriosam sequi?</a></h4>
<p>Nullam in lorem nec mi euismod pretium in eu erat. Nunc lacus tellus, sodales molestie sem id, tempor elementum turpis. Auris dapibus mi vitae libero luctus iaculis non non turpis. Mauris molestie ultrices...</p>
<a href="#"><button><b>READ MORE</b></button></a>

<!-- Article break -->
  “The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.” <i> - Konstantin Tsiolkovsky</i>

<!-- Footer -->
<center>( ̄︶ ̄)↗</center> 


                /* Really? (*  ̄︿ ̄) */


                // Really?  ̄へ ̄