Mixin loop to spit out span classes based on # of grid columns for JustifyGrid.com SCSS

gistfile1.txt

@mixin grid-spans($col-span){
  @while $col-span > 0{
    .grid-span-#{$col-span}{
      width: grid-span($col-span);
    }
    $col-span: $col-span - 1;
  }
}


@include grid-spans($columns);