gistfile1.sass

@import "bootstrap/variables"

=respond-to($media)
  @if $media == xs
    @media (max-width: $screen-xs-max)
      @content
  @else if $media == sm
    @media (min-width: $screen-sm-min) and (max-width: $screen-sm-max)
      @content
  @else if $media == md
    @media (min-width: $screen-md-min) and (max-width: $screen-md-max)
      @content
  @else if $media == lg
    @media (min-width: $screen-lg-min)
      @content
  @else if $media == x2
    @media only screen and (-Webkit-min-device-pixel-ratio: 1.5), only screen and (-moz-min-device-pixel-ratio: 1.5), only screen and (-o-min-device-pixel-ratio: 3/2), only screen and (min-device-pixel-ratio: 1.5)
      @content
    // @media only screen and (-webkit-min-device-pixel-ratio: 1.3), only screen and (-o-min-device-pixel-ratio: 13/10), only screen and (min-resolution: 120dpi)
  @else
    @error "zły typ media #{$media}"