Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

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JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

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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

Auto Save

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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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Visit your global Editor Settings.

HTML

              
                .progress
              
            
!

CSS

              
                body
  background #111 url(http://www.clipartbest.com/cliparts/Rcd/g5d/Rcdg5dXXi.png)
  background-size 25vmin
  background-repeat no-repeat
  background-position center 40%
  height 100vh
  margin 0

.progress
  width 400px
  max-width 85vw
  height 4px
  position absolute
  bottom 20vh
  left 50%
  border-radius 4px
  background rgba(white, .5)
  transform translate(-50%, -50%)
  overflow hidden
  &:after
    content ''
    display block
    width 100%
    height 4px
    background white
    animation load 15s linear

@keyframes load
  0%
    width 0
  10%
    width 5%
  20%
    width 15%
  30%
    width 25%
  40%
    width 30%
  50%
    width 44%
  60%
    width 50%
  70%
    width 72%
  80%
    width 84%
  90%
    width 92%
  100%
    width 100%
              
            
!

JS

              
                
              
            
!
999px

Console