// Grid system .main { @include make-col($main-sm-columns, $main-sm-columns, $grid-gutter-width); @include media-breakpoint-up(sm) { .sidebar-primary & { @include make-col($main-sm-columns - $sidebar-sm-columns, $main-sm-columns, $grid-gutter-width); } } } .sidebar { @include media-breakpoint-up(sm) { @include make-col($sidebar-sm-columns, $main-sm-columns, $grid-gutter-width); } }