=media-query($smallerThen)
  @media screen and (max-width: $smallerThen)
    @content

=media-query-larger($largerThen)
  @media screen and (min-width: $largerThen)
    @content

=media-query-height($smallerThen)
  @media screen and (max-height: $smallerThen)
    @content