/**
 * Convert the passed value to the closest even value
 *
 * @param 			{Number} 		$value 		The value to convert
 * @return 			{Number} 					The closest even converted value
 *
 * @author 			Olivier Bossel <olivier.bossel@gmail.com> (https://olivierbossel.com)
 */
@function s-even($value) {
  $d: s-strip-units($value % 2);
  $value: round($value);
  @if s-strip-units($value) % 2 != 0 {
    @if $d >= 1 {
      $value: $value + 1;
    } @else {
      $value: $value - 1;
    }
  }
  @return $value;
}