Old IE media queries

gistfile1.txt

/ Named media queries
// ==========================================================================

$bp-small:  em(650px);
$bp-medium: em(1024px);
$bp-large:  em(1280px);

@mixin at-least($device-width, $old-ie: "false") {
  @media screen and (min-width: $device-width) {
    @content;
  }

  @if $old-ie == "true" {
    .lt-ie9 & {
      @content;
    }
  }
}

@mixin until($device-width, $old-ie: "false") {
  @media screen and (max-width: $device-width) {
    @content;
  }

  @if $old-ie == "true" {
    .lt-ie9 & {
      @content;
    }
  }
}