///
/// Convert font-size from px to rem with px fallback
/// @param $size - the value in pixel you want to convert
/// {@include fontSize(12px);}
///
@function px2rem($pxSize) {
  //Default font size is 16px;
  $baseSize: ( 16px / 1px );
  $remSize: ( $pxSize / $baseSize );

  @return $remSize  ;
}


///
/// Convert font-size from rem to px
/// @param $size - the value in pixel you want to convert
///  {@include fontSize(12px);}
///
@function rem2px($remSize) {
  //Default font size is 16px;
  $baseSize: 16px;
  $remValue: ( $remSize / 1rem );
  $pxSize: ( $remValue * $baseSize );

  @return $pxSize;
}