Showing intent with mixin overrides

complex-special-situation.scss

.special-situation {
  @include subtitle;
  @include gutters;
  display:inline-block;
  max-width:50%;
  margin-bottom:2em;
  color:$blue;
}

override.scss

.special-situation {
  @include subtitle {
    margin-bottom:2em;
    color:$blue;
  }
  @include gutters;
  display:inline-block;
  max-width:50%;
}

special-situation.scss

.special-situation {
  @include subtitle;
  margin-bottom:2em;
}

subtitle.scss

@mixin subtitle {
  @include font(open-sans, semibold);
  @include font-sizes($header-font-sizes);
  margin:0 0 1em;
  color:$dark-grey;
}