Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs 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 its URL and the proper URL extension.

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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.


Auto Save

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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

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Visit your global Editor Settings.


                <p aria-label="CodePen">
  <span data-text="C">C</span>
  <span data-text="O">O</span>
  <span data-text="D">D</span>
  <span data-text="E">E</span>
  <span data-text="P">P</span>
  <span data-text="E">E</span>
  <span data-text="N">N</span>



                // Brownish
background-color = hsla(353, 8%, 40%, 1)
// Purple
background-color = hsla(259, 36%, 47%, 1)
// CodePen Grey
//background-color = #252527
// CodePen Blue
//background-color = hsla(210, 63%, 53%, 1)

// Some settings
shadow-scale =       1.1
letter-spacing =     (300em/1000)
initial-skew =       -40deg
hover-skew =         -10deg
animation-duration = .3s

// Automatic settings
shadow-initial-skew = ((initial-skew / 2) * -1)
shadow-hover-skew =   ((hover-skew / 2) * -1)

// Styles
  color #fff
  font-family Avenir Next, Helvetica Neue, Helvetica, Tahoma, sans-serif
  font-size 1em
  font-weight 700

    display inline-block
    position relative
    transform-style preserve-3d
    perspective 500
    -webkit-font-smoothing antialiased
      display none
      position absolute
      top 0
      left -1px
      transform-origin left top
      transition all ease-out animation-duration
      content attr(data-text)

      z-index 1
      color rgba(0, 0, 0, .2)
      transform scale(shadow-scale, 1) skew(0deg, shadow-initial-skew)

      z-index 2
      color background-color
      text-shadow -1px 0 1px background-color, 1px 0 1px rgba(0, 0, 0, .8)
      transform rotateY(initial-skew)

        transform scale(shadow-scale, 1) skew(0deg, shadow-hover-skew)
        transform rotateY(hover-skew)

    & + span
      margin-left letter-spacing
  @media (min-width: 20em)
    font-size 2em
    	display block
  @media (min-width: 30em)
    font-size 3em
  @media (min-width: 40em)
    font-size 5em
  @media (min-width: 60em)
    font-size 8em

// Unimportant bits
  margin 0
  padding 0
  height 100%

  display flex
  align-items center
  justify-content center
  background-color background-color