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.


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Auto-Updating Preview

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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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                <h1>I had now found my first friend,<br>and so my life was truly begun.</h1>
  Vestibulum nibh velit, ultrices sed tellus eget, pulvinar viverra odio. Quisque molestie sit amet dolor at faucibus. Nullam imperdiet auctor metus, eget semper est ornare ac.
  Curabitur eu sapien ipsum. Nam non ante fringilla, congue augue vel, cursus velit. Duis suscipit ante et neque congue, nec posuere leo commodo.


                @import url('');

body {
  text-align: center;
  color: #888;
  font: 16px/1.5 'Lora', serif;
/* 2つの背景画像を設定 */
  background-image:  url(, url(;
  background-position: left top, right top;
  background-repeat: no-repeat;
h1 {
  margin-bottom: 20px;
  margin-top: 100px;
  font-size: 30px;
p {
  width: 60%;
  margin: 0 auto 20px;