// Root model object styles

@import 'colour-palette';
@import 'icons';
@import 'model-styles-common';

section.playout_root {
  @include fa-heading($fa-volume-up);
  @include set-style($colour-pink);
}

section.group_root {
  @include fa-heading($fa-sitemap);
  @include set-style($colour-purple);
}

// Root model object styles

@import 'colour-palette';
@import 'icons';
@import 'model-styles-common';

$r-playout: (name: "playout_root", colour: $colour-cyan, fa: $fa-volume-up);
$r-group:   (name: "group_root",   colour: $colour-lime, fa: $fa-sitemap);
@each $r in $r-playout, $r-group {
  section.#{map-get($r, name)} {
    @include fa-heading(map-get($r, fa));
    @include set-style(map-get($r, colour));
  }
}

Use each loop for roots.
[scss] Use each loop for roots.
