cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

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.

Quick-add: + add another resource

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.

Quick-add: + add another resource

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.

            
              $rings: 30

body
  background-color: #0F0F0F

.tri
  position: absolute
  top: 50%
  left: 50%
  transform: translate(-50%, 100%)
  width: 50px
  height: 50px

  .side
    width: 50px
    height: 50px
    position: absolute
    transform-origin: center center
    @for $i from 1 through 3
      &:nth-child(#{$i})
        transform: translateX(-200px + 100*$i)
    &:nth-child(2)
      transform: translateY(-150px)

  .ring
    width: 50px
    height: 50px
    position: absolute
    background: white
    animation-name: rotate, cromatic
    animation-duration: 3s, 3s
    animation-timing-function: linear, linear
    animation-iteration-count: infinite, infinite
    opacity: 0.5
    box-shadow: 0 0 30px black
    border-radius: 20%
      
@for $i from 0 through $rings
  .side:nth-child(1) .ring:nth-child(#{$i})
    margin: 0 0 0 200/$rings*$i+px
    z-index: $i
    animation-delay: $i/ $rings +s

@for $i from 0 through $rings
  .side:nth-child(2) .ring:nth-child(#{$i})
    margin: 150/$rings*$i+px 0 0 -100/$rings*$i+px
    z-index: $rings - $i
    animation-delay: 2+$i/ $rings +s

@for $i from 0 through $rings
  .side:nth-child(3) .ring:nth-child(#{$i})
    margin: -150/$rings*$i+px 0 0 -100/$rings*$i+px
    z-index: $i
    animation-delay: 1+$i/ $rings +s
      
@keyframes rotate
  to
    transform: rotate(360deg)

@keyframes cromatic
  0%
    background-color: #FFFF00
  15%
    background-color: #008F59
  30%
    background-color: #2771B2
  45%
    background-color: #6E3795
  60%
    background-color: #FF0000
  75%
    background-color: #FF9201
  100%
    background-color: #FFFF00
  
            
          
!
            
              // Try to change the $rings value and "-30.times do" "weird things happens"
            
          
!
999px
Loading ..................

Console