Grid System

$columnWidth = ($gridWidth - (($gridNumColumns - 1) * $gutterWidth)) / $gridNumColumns


alpha()
  margin-left: 0

omega()
  margin-right: 0

last()
  margin-right: 0

centered()
  float: none
  margin: auto

column($num)
  width: ($num * $columnWidth) + (($num - 1) * $gutterWidth)
  display: block
  float: left
  margin-left: ($gutterWidth/2)
  margin-right: ($gutterWidth/2)
  clearfix()

column-push($num, $alpha = false)
  $margin-left = ($gutterWidth/2) + ($columnWidth * $num) + ($gutterWidth * $num)
  if $alpha
    $margin-left = $margin-left - $gutterWidth/2
  margin-left: $margin-left


container()
  padding: 0 ($gutterWidth / 2)
  width: $gridWidth
  margin: 0 auto
  overflow: visible