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_columns( $left: 4, $right: 5, $columns: $blueprint_grid_columns )
  @if $left > 0
    #left
      +span( $left )
  @if ( ( $left + $right ) < $columns )
    #main
      +span( $columns - $left - $right )
      @if ( $right <= 0 )
        @if ( $blueprint_grid_margin > 0px )
          +last
  @if $right > 0
    #right
      +span( $right )
      @if ( $blueprint_grid_margin > 0px  )
        +last

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
    +body_columns( $grid_left, 0 )
  &.sidebar-right
    +body_columns( 0, $grid_right )
  &.two-sidebars
    +body_columns( $grid_left, $grid_right )
  &.no-sidebars
    +body_columns( 0, 0 )


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

#page
  +span( 24 )
  margin: 0 auto
  +clearfix