protected static function prepareSize($size, array $definition)
	{
		$css = sprintf('col-%s-%s', $size, $definition['width']);

		if($definition['offset']) {
			$css .= sprintf(' col-%s-offset-%s', $size, $definition['offset']);
		}

		if($definition['order']) {
			$css .= sprintf(' col-%s-%s', $size, $definition['order']);
		}

		return $css;
	}