@import compass

$in: 0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0

.container
  div
    opacity: 0.004
    background: white

  @for $b from 1 through length($in)
    @if nth($in,$b) == 1
      .l#{$b}
        background: red
        
// Everything below this is beside the point...
.container
  position: fixed
  top: 50%
  left: 50%
  height: 120px
  width: 120px
  margin: -62px
  border: 4px solid black
  font: bold 32px/#{60px} sans-serif
  text-align: center
  color: red
  
  div
    position: absolute
    top: 0
    left: 0
    height: 100%
    width: 100%

p
  position: relative
    
.on
  color: white