gistfile1.sass

@import 'blueprint/grid'
//
  requires compass gem
  usage: compass compile path/to/grid.sass -e production --output-style nested
//
  defines Blueprint grid variables 

$blueprint-grid-columns: 24
$blueprint-grid-width: 30px
$blueprint-grid-margin: 10px
$blueprint-grid-outer-width: $blueprint-grid-width + $blueprint-grid-margin
$blueprint-container-size: $blueprint-grid-outer-width * $blueprint-grid-columns - $blueprint-grid-margin
  
//
  defines column widths for #left, #right. #main is calculated off these values
$grid-left: 5
$grid-right: 6

body
  //
    These class names are used by Drupal to indicate what kind of layout we have
    Handles visibility of #left, #right individually plus both hidden or both visible
  &.sidebar-left
    #left
      +span($grid-left)
    #main
      +span($blueprint-grid-columns - $grid-left)
      @extend .last
  &.sidebar-right
    #right
      +span($grid-right)
      @extend .last
    #main
      +span($blueprint-grid-columns - $grid-right)
  &.two-sidebars
    #left
      +span($grid-left)
    #right
      +span($grid-right)
      @extend .last
    #main
      +span($blueprint-grid-columns - $grid-left - $grid-right)
  &.no-sidebars
    #main
      +span($blueprint-grid-columns)

#left, #main, #right
  +column-base

#page
  +container

@if ( $blueprint-grid-margin > 0px )
  .last
    +last