gistfile1.scss

// We're going to use Breakpoint to handle our media queries
// http://github.com/team-sass/breakpoint
@import "breakpoint";

@mixin element-query($sizes...) {
  @each $size in $sizes {
    @include breakpoint(nth($size, 2)) {
      #{nth($size, 1)} & {
        @content;
      }
    }
  }
}

.schedule-component {
  @include element-query('.content' 32.5em, 'aside' 90em) {
    ...styles here...
  }
}

// I'll add this to https://github.com/Team-Sass/toolkit if you think it'll be useful