Pen Settings



CSS Base

Vendor Prefixing

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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.


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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.


                <main class="measure center tc sans-serif black-80 absolute absolute--fill">
  <div class="flex flex-column justify-center items-center h-100">
      <h1 class="animated fadeInUp ease-out-circ d2 a-1 f2 fw3">
        <code class="db black-40">'tachyons-animate'</code>
      <h2 class="animated fadeInUp ease-out-circ d-1 a-2">
        Designed for choreographing <span class="nowrap">CSS animations</span>
      <div class="animated bounceIn ease-in-quad d-2 mt4">
        <a href="" class="dib link bw1 b--solid b--dark-blue dark-blue fw9 pa3 br3 hover-white hover-bg-dark-blue">
                            View on Github
    <footer class="animated zoomInDown ease-out-quad d-2 a-1 absolute left-0 bottom-2 w-100">
      <a href="" class="link fw9 dark-blue" target="_blank">
                        Made by Andrew Nater