@mixin make-initial-headings() {

  $heading-sizes: $heading-size-1, $heading-size-2, $heading-size-3, $heading-size-4, $heading-size-5, $heading-size-6;
  @for $i from 1 through 6 {
    h#{$i} {
      font-size: nth($heading-sizes, $i);
      margin: $heading-margin;
    }
  }
}

@mixin make-heading(
  $number,
  $title,
  $color,
  $font-size,
  $font-family: $default-font-family
) {
  h#{$number}.heading-#{$title} {
    color: $color;
    font-size: ($font-size / 1.5);
    font-family: $font-family;

    @include make-scale($breakpoint-medium) {
      font-size: $font-size;
    }
  }
}