HM\BackUpWordPress\Plugin::styles PHP Method

    public function styles($hook)
    {
        if ('tools_page_backupwordpress_extensions' !== $hook && HMBKP_ADMIN_PAGE !== $hook) {
            return;
        }
        $css_file = HMBKP_PLUGIN_URL . 'assets/hmbkp.min.css';
        if (WP_DEBUG) {
            $css_file = HMBKP_PLUGIN_URL . 'assets/hmbkp.css';
        }
        wp_enqueue_style('backupwordpress', $css_file, false, sanitize_key(self::PLUGIN_VERSION));
    }