/// Apply input basic set display.
///
/// This mixin will apply good margins on CheckboxSet & RadioButtonSet
/// components.
///
/// @group form
///
/// @example scss - Usage
///   .k-CheckboxSet__checkbox {
///     @include k-inputSet;
///   }
///
/// @example css - CSS output
///   .k-CheckboxSet__checkbox {
///     margin: k-px-to-rem(10px) 0;
///   }
///
///   .k-CheckboxSet__checkbox:first-child {
///     margin-top: 0;
///   }
///
///   .k-CheckboxSet__checkbox:last-child {
///     margin-bottom: 0;
///   }

@mixin k-inputSet {
  margin: k-px-to-rem(10px) 0;

  &:first-child { margin-top: 0; }
  &:last-child { margin-bottom: 0; }
}