Pen Settings

HTML

CSS

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. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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JavaScript

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

Packages

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.

Behavior

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.

HTML

              
                <p><strong>This paragraph will not be selected.</strong> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Molestias beatae blanditiis inventore, ducimus atque dolores vitae accusamus quas deleniti illum ab natus similique distinctio optio. Sed fugit harum, sequi ducimus?</p>

<img src="https://placeimg.com/200/200/arch" alt="" />

<p><strong>This paragraph will be selected.</strong> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio consequatur debitis eveniet iste ratione quibusdam hic accusamus! Eveniet dignissimos ad, nihil molestiae aspernatur consequuntur officia voluptatum tenetur velit voluptate. Temporibus! </p>

<p><strong>And this paragraph will also be selected.</strong> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas temporibus facere, porro et. Sed corrupti iusto reprehenderit ratione est deleniti molestias inventore consequuntur dicta tenetur! Animi excepturi quae blanditiis cum.</p>
              
            
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CSS

              
                img ~ p {
  background-color: #FEF0B6;
  padding: 5px;
}

              
            
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JS

              
                
              
            
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999px

Console