public function ok($content, $ok = false, array $attributes = []) {
		if ($ok) {
			$type = 'yes';
			$color = 'green';
		} else {
			$type = 'no';
			$color = 'red';
		}

		$options = [
			'type' => $type,
			'color' => $color
		];
		$options['content'] = $content;
		$options['attributes'] = $this->template->formatAttributes($attributes);
		return $this->template->format('ok', $options);
	}