// Mixin for Semantic Grid reponsiveness

  @mixin respondTo($media) {
    @if $media == smallScreen {
      @media only screen and (max-width: $screenSmall - 1) { @content; }
    } @else if $media == mediumScreen {
      @media only screen and (max-width: $screenMedium) and (min-width: $screenSmall) { @content; }
    } @else if $media == largeScreen {
      @media only screen and (min-width: $screenXlarge) { @content; }
    }
  }