 width: (($grid-container-width/3)*2) - $grid-gutter; }
    .one-half    { width: ($grid-container-width/2) - $grid-gutter; }
    .one-quarter { width: ($grid-container-width/4) - $grid-gutter; }
    .three-quarters { width: (($grid-container-width/4)*3) - $grid-gutter; }

    .offset-by-one      { padding-left: $grid-column-width; }
    .offset-by-two      { padding-left: $grid-column-width*2; }
    .offset-by-three    { padding-left: $grid-column-width*3; }
    .offset-by-four     { padding-left: $grid-co