=grid-static($full-width, $row-height:40px)
  // Horizontal grid
  $column-width: $full-width / 4

  %column,
  .column
    position: relative
    z-index: 5
    width: $column-width
    +box-sizing(border-box)

    // Static
    &.half
      width: $column-width / 2
    &.double
      width: $column-width * 2
    &.triple
      width: $column-width * 3
    &.full
      min-width: $full-width
      max-width: 1280px
      width: 80%
    &:not(.full):not(.fluid-100)
      float: left

  // Vertical grid
  .row
    height: $row-height
  .row-2
    height: $row-height * 2

=grid-fluid
  %column,
  .column
    // Fluid
    $values: 25 50 75 100
    @each $val in $values
      &.fluid-#{$val}
        width: percentage($val/100)
    &.fluid-12
      width: 12.5%
    &.fluid-16
      width: 16.66665%
    &.fluid-33
      width: 33.33333%
    &.fluid-66
      width: 66.66666%