_my-media-nomq.scss

// _my-media-nomq.scss

@mixin my-base {
  // never serve the base styles to old IE
  // (it will already receive this in mq.css)
  // note, SCSS won't compile unless you use @content
  @if false {
    @content;
  }
}

@mixin my-media($theQuery, $serveToOldIE: true) {
  // allows us to exclude queries from old IE
  // by passing "false"
  @if $serveToOldIE {
    @content;
  }
}