WP_Widget_Recent_Comments::recent_comments_style

	public function recent_comments_style() {
		/**
		 * Filters the Recent Comments default widget styles.
		 *
		 * @since 3.1.0
		 *
		 * @param bool   $active  Whether the widget is active. Default true.
		 * @param string $id_base The widget ID.
		 */
		if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876.
			|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) {
			return;
		}

		$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';

		printf(
			'<style%s>.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>',
			$type_attr
		);
	}