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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. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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You're using npm packages, so we've auto-selected Babel for you here, which we require to process imports and make it all work. If you need to use a different JavaScript preprocessor, remove the packages in the npm tab.

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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Use npm Packages

We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

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Code Indentation

     

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.

            
              // Manual trigger to refresh the page
.trigger
  a(href="https://s.codepen.io/brianhaferkamp/debug/jGXoZK") <i class="zmdi zmdi-refresh-alt"></i>
  
// Chicago
#chicago
  .title
    h1 Chicago
    h2 City of the Big Shoulders
            
          
!
            
              *
  box-sizing: border-box

body
  margin: 0
  
// manual page refresh icon
.trigger
  position: fixed
  top: 2rem
  right: 2rem
  
  
  a
    font-size: 2rem
    color: white
    transition: color 200ms ease
  
    &:hover
      color: rgba(white, 0.7)
  
// background image
#chicago
  background:
    size: cover
    position: center
    repeat: no-repeat
  height: 100vh
  width: 100vw
  
// title text, bottom right
.title
  margin: 0
  color: white
  position: absolute
  bottom: 2rem
  right: 2rem
  font-family: 'Cabin', sans-serif
  letter-spacing: 2px
  
  h1
    font-size: 2rem
    text-transform: uppercase
    margin-bottom: .5rem
    // drop shadow on the letters sets it off the bground
    text-shadow: 1px 1px 20px rgba(black, 0.3)
    
  h2
    font-size: 1.3rem
    font-weight: 400
    margin: 0
    // drop shadow on the letters sets it off the bground
    text-shadow: 1px 1px 5px rgba(black, 0.3)
    
            
          
!
            
              // control the auto refresh rate -> 1000 = 1 second
var refreshRate = 10000; // 10 seconds


// Automatically reload the browser
setInterval(function() {
   window.location.reload();
}, refreshRate);

// Hide the images on load
$('#chicago').hide();

// Get a random image from Unsplash and fade it in on load
$('#chicago').css({
  // serves a random image from this collection on Unsplash.com
  'background-image' : 'url(https://source.unsplash.com/collection/495468/1600x900)'
}).fadeIn(1500);

            
          
!
999px
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