/**
 * Opacity classes.
 */

@for $x from 1 to 10 {
  $class: ".o-#{($x * 10)}";
  $value: $x / 10;

  @include opacity-variant($class, $value);
}

// Add classes for 25% and 75%.
@include opacity-variant(".o-25", 0.25);
@include opacity-variant(".o-75", 0.75);