$section-themes: _pick($ui-colors, (dark, dark-blue, light, normal, off-light));

.section {
  @each $theme, $color in $section-themes {
    &--#{$theme} {
      background: $color;
    }
  }

  &--pad {
    padding: 2em;

    &--sm {
      padding: 1em;
    }
  }
}