@function calculateRem($size) {
    $remSize: $size / 16px;
    @return $remSize;
}


@function strip-unit($number) {
    @if type-of($number) == 'number' and not unitless($number) {
        @return $number / ($number * 0 + 1);
    }
    @return $number;
}


@function calculatePx($size) {
    $pxSize: strip-unit($size) * 16px;
    @return $pxSize;
}
