for $query in $var-breakpoints
  {$class-utility-visibility--block}{$query}
    @extend $block-{$query}

  {$class-utility-visibility--hidden}{$query}
    @extend $none-{$query}

  {$class-utility-visibility--inline-block}{$query}
    @extend $inline-block-{$query}

  {$class-utility-visibility--invisible}{$query}
    @extend $invisible-{$query}

  {$class-utility-visibility--table}{$query}
    @extend $table-{$query}

  {$class-utility-visibility--visible}{$query}
    @extend $visible-{$query}