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. You can use the CSS from another Pen by using it's URL and the proper URL extention.

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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.

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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

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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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HTML

              
                <h1>Fallback for SVG as &lt;object&gt;</h1>
<object type="image/svg+xml" data="//s3-us-west-2.amazonaws.com/s.cdpn.io/91525/svg-ok.svg">
  <img src="//s3-us-west-2.amazonaws.com/s.cdpn.io/91525/svg-no.png"
       alt="No SVG support"/>
</object>
<object type="image/svg+xml" data="//s3-us-west-2.amazonaws.com/s.cdpn.io/91525/svg-ok.svg">
  <p class="warning">Your browser 
    does not support SVG!</p>
</object>
<p>Note: Codepen sandboxing settings are preventing the SVG object from showing up in Chrome & related browsers (The no-SVG image and text fallbacks should be visible).  It works fine in Firefox or IE, or when <a target="_blank" href="https://s.codepen.io/AmeliaBR/debug/607cb7712555f8d347794ffd3835672d?">opening the result frame in its own tab on Chrome</a>.</p>
              
            
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CSS

              
                body, html {height: 100%; margin:0; padding: 0;}
p {margin: 0.5em;}
h1 {
  display: inline; 
  background: #444; 
  color: #4CC;
  padding: 0.5em;
  line-height: 2em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
object {
  display: block;
  width: 248px; height: 248px;
}
.warning {
  display: block;
  border: #A00 solid;
  background-color: #FB9;
}
              
            
!

JS

              
                
              
            
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999px

Console