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.

+ add another resource

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

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                a(href="").button-large Large
a(href="").button-small Small
              
            
!

CSS

              
                body
  font-family sans-serif
$main = #0D3B66
$second = #FF5964

tr()
	transition all .3s ease

btn(height,fontSize)
	height height px
	font-size fontSize
	display inline-flex
	align-items center
	justify-content center
	text-align center
	text-decoration none
	text-transform uppercase
	font-weight bold
	color $second
	background $main
	padding 0 (height px)
	border-radius (height/2) px
	tr()
	&:hover
		background lighten($main,10%)


a.button-large
	btn(48,18px)

a.button-small
	btn(30, .7rem)
              
            
!

JS

              
                
              
            
!
999px

Console