src/Cornford/Bootstrapper/Bootstrap.php
public function css($type = 'cdn', array $attributes = array())
	{
		switch($type)
		{
			case 'cdn':
				$return = $this->add('style', self::CSS_BOOTSTRAP_CDN, $attributes) .
					$this->add('style', self::CSS_DATETIME_CDN, $attributes);
				break;
			case 'local':
			default:
				$return = $this->add('style', asset(self::CSS_BOOTSTRAP_LOCAL), $attributes) .
					$this->add('style', asset(self::CSS_DATETIME_LOCAL), $attributes);
		}

		return $return;
	}
public function css($type = 'cdn', array $attributes = array())
	{
		switch($type)
		{
			case 'cdn':
				$return = $this->add('style', self::CSS_BOOTSTRAP_CDN, $attributes) .
					$this->add('style', self::CSS_DATETIME_CDN, $attributes);
				break;
			case 'local':
			default:
				$return = $this->add('style', asset(self::CSS_BOOTSTRAP_LOCAL), $attributes) .
					$this->add('style', asset(self::CSS_DATETIME_LOCAL), $attributes);
		}

		return $return;
	}
Include the Bootstrap CDN / Local CSS file

@param string $type
@param array  $attributes

@return string