/// Select Last Half Of List
/// $selector: what is the class or elemnt you would like to select
/// $num: the max amout of items in list

// Can be used on any elemnt you can add nth-child to

// Keep in mind if $num is set to for example 10, it will not select the 11th items and beynad if they exist.

@mixin last-half($selector, $num) {
  $count: 1;
  $return-value: ();
  $string: ();

  @while $count <= $num {

    @if $count == 1 {
      $string: '#{$selector}:first-child:last-child,';
    } @else {
      $string: '#{$selector}:nth-child(n+#{$count}):nth-last-child(-n+#{$count}),';
    }

    $return-value: append($return-value, $string);
    $count: $count + 1;
  }

  #{$return-value} {
    @content;
  }
}


/// Example
//
// ul {
//  ...
//    @include last-half('li', 10) {
//     ...
//    }
// }