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              %ul.cubes
  - (1..64).each do |i|
    %li.cube
      - (1..6).each do |j|
        %div.face
            
          
!
            
              @import compass

$m: 8
$side: 2em
$factor: 20
$faces: 6

html
  height: 100%
  perspective: $factor*$side
  background: black

.cubes
  position: absolute
  top: 50%
  left: 50%
  margin: -$m*$side/2
  padding: 0
  width: $m*$side
  transform-style: preserve-3d
  transform: rotateX(60deg) rotateZ(45deg)
  list-style: none

.cube
  float: left
  position: relative
  width: $side
  height: $side
  transform-style: preserve-3d
  transition: transform 1.5s ease-in
  cursor: pointer
  
  &:hover
    transform: translateZ(.95*$side)
    transition: transform .5s ease-out
    
  .face
    position: absolute
    width: inherit
    height: inherit
    box-shadow: 0 0 0 1px black
    @for $k from 1 to 7
      &:nth-child(#{$k})
        @if $k < 5
          transform: rotateY(#{($k - 1)*90}deg)  translateZ($side/2)
        @else
          transform: rotateX(#{($k - 5)*180 - 90}deg) translateZ($side/2)
  
  @for $i from 1 to 9
    @for $j from 1 to 9
      &:nth-child(#{($i - 1)*$m + $m - $j + 1}) .face
        background: rgb(0, ($i + $j - 2)*255/(2*$m), 255 - ($i + $j - 2)*255/$m/2)
            
          
!
            
              /*
No JS here, just a comment. Simply hover the cubes. :)

Works in browsers that support 3D transforms and nesting 3D transformed elements - see http://caniuse.com/#feat=transforms3d
*/
            
          
!
999px
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