grid.sass

/* ============================= */
/* = Based off of the 1Kb Grid = */
/* ============================= */

!column_width = 30
!column_gutter = 10
!number_of_columns = 24

=push(!columns)
  margin-left = (!column_width * !columns) + (!column_gutter * (!columns - 1)) + "px"

=spans(!columns)
  width = (!column_width * !columns) + (!column_gutter * (!columns - 1)) + "px"

=column
  margin-right = !column_gutter + "px"
  overflow: hidden
  float: left
  display: inline

=row
  +spans(!number_of_columns)
  +last
  margin: 0 auto
  overflow: hidden

=nested_row
  width: auto
  display: inline-block

=last
  margin-right: 0

.row
  +row

.nested-row
  +nested_row

.last
  :margin-right 0 !important