Pen Settings

HTML

CSS

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.

+ 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

Auto Save

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

              
                <div class="container">
  <div class="control-group">
    <h1>Checkboxes</h1>
    <label class="control control--checkbox">First checkbox
      <input type="checkbox" checked="checked"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--checkbox">Second checkbox
      <input type="checkbox"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--checkbox">Disabled
      <input type="checkbox" disabled="disabled"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--checkbox">Disabled & checked
      <input type="checkbox" disabled="disabled" checked="checked"/>
      <div class="control__indicator"></div>
    </label>
  </div>
  <div class="control-group">
    <h1>Radio buttons</h1>
    <label class="control control--radio">First radio
      <input type="radio" name="radio" checked="checked"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--radio">Second radio
      <input type="radio" name="radio"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--radio">Disabled
      <input type="radio" name="radio2" disabled="disabled"/>
      <div class="control__indicator"></div>
    </label>
    <label class="control control--radio">Disabled & checked
      <input type="radio" name="radio2" disabled="disabled" checked="checked"/>
      <div class="control__indicator"></div>
    </label>
  </div>
  <div class="control-group">
    <h1>Select boxes</h1>
    <div class="select">
      <select>
        <option>First select</option>
        <option>Option</option>
        <option>Option</option>
      </select>
      <div class="select__arrow"></div>
    </div>
    <div class="select">
      <select>
        <option>Second select</option>
        <option>Option</option>
        <option>Option</option>
      </select>
      <div class="select__arrow"></div>
    </div>
    <div class="select">
      <select disabled="disabled">
        <option>Disabled</option>
        <option>Option</option>
        <option>Option</option>
      </select>
      <div class="select__arrow"></div>
    </div>
  </div>
</div>
              
            
!

CSS

              
                $color--white = #FFFFFF
$color--black = #000000
$color--light-grey = #E6E6E6
$color--grey = #CCCCCC
$color--dark-grey = #7B7B7B
$color--primary = #2AA1C0
$color--secondary = #0E647D

html, body
  height 100%

body
  background $color--light-grey
  font-family 'Source Sans Pro', sans-serif

.container
  width 100%
  height 100%
  display flex
  flex-wrap wrap
  justify-content center
  align-items center

h1
  font-family 'Alegreya Sans', sans-serif
  font-weight 300
  margin-top 0

// Box to contain form controls
.control-group
  display inline-block
  vertical-align top
  background $color--white
  text-align left
  box-shadow 0 1px 2px rgba(0, 0, 0, 0.1)
  padding 30px
  width 200px
  height 210px
  margin 10px

// Basic control styles
.control
  display block
  position relative
  padding-left 30px
  margin-bottom 15px
  cursor pointer
  
  // Hide default browser input
  input
    position absolute
    z-index -1
    opacity 0
    

// Custom control
.control__indicator
  position absolute
  top 0px
  left 0
  height 16px
  width 16px
  background #fff
  border 1px solid #ccc
  
  .control--checkbox &
    border-radius 3px
  
  .control--radio &
    border-radius 50% // Makes radio buttons circlular
  
  // Hover and focus
  .control:hover input:not([disabled]) ~ &,
  .control input:focus ~ &
    border-color: #666
  
  // Checked
  .control input:checked ~ &
    background #fff

  // Hover when checked
  /*
  .control:hover input:not([disabled]):checked ~ &,
  .control input:checked:focus ~ &
    border-color: #666
    */
  
  // Hide default browser input
  .control input:disabled ~ &
    background $color--light-grey
    opacity 0.6
    pointer-events none

  &:after
    content ''
    position absolute
    display none // Hide check

    .control input:checked ~ &
      display block // Show check
 
    // Checkbox tick
    .control--checkbox &
      left 5px
      top 0px
      width 5px
      height 12px
      border solid #34bb92
      border-width 0 2px 2px 0
      transform rotate(45deg)
    
    // Disabled tick colour
    .control--checkbox input:disabled ~ &
      border-color $color--dark-grey

    // Radio button inner circle
    .control--radio &
      left 5px
      top 5px
      height 6px
      width 6px
      border-radius 50%
      background #34bb92

    // Disabled circle colour
    .control--radio input:disabled ~ &
      background $color--dark-grey
      
.select
  position relative
  display inline-block
  margin-bottom 15px
  width 100%

  select
    display inline-block
    width 100%
    cursor pointer
    padding 10px 15px
    outline 0
    border 0
    border-radius 0
    background $color--light-grey
    color $color--dark-grey
    appearance none
    -webkit-appearance none
    -moz-appearance none
    
    &::-ms-expand
      display none
    
    &:hover,
    &:focus
      color $color--black
      background $color--grey
  
    &:disabled
      opacity 0.5
      pointer-events none
      
.select__arrow
  position absolute
  top 16px
  right 15px
  width 0
  height 0
  pointer-events none
  border-style solid
  border-width 8px 5px 0 5px
  border-color $color--dark-grey transparent transparent transparent
  
  .select select:hover ~ &
  .select select:focus ~ &
    border-top-color $color--black
  
  .select select:disabled ~ &
    border-top-color $color--grey
              
            
!

JS

              
                
              
            
!
999px

Console