gistfile1.scss

@mixin respond-to($media) {
  if $media == medium-screens {
    @media only screen and (min-width: $breakMedium + 1) { @content; }
  }
  @else if $media == wide-screens {
    @media only screen and (min-width: $breakLarge + 1) { @content; }
    html.lt-ie9 & { // Using Paul Irish's conditional comments for IE8 and below
      @content;
    }
  }
}