public function widget( $args, $instance ) {
		// abort if we don't have an address to show
		if ( empty( $instance['location_slug'] ) ) {
			return;
		}

		$location = get_term_by( 'slug', $instance['location_slug'], 'location' );
		if ( ! $location ) {
			return;
		}

		// before and after widget arguments are defined by themes
		echo wp_kses_post( $args['before_widget'] );

		$title = apply_filters( 'widget_title', $instance['title'] );
		if ( ! empty( $title ) ) {
			echo wp_kses_post( $args['before_title'] ) . esc_html( $title ) . wp_kses_post( $args['after_title'] );
		}

		// remove line breaks from the term description
		$address_to_search = preg_replace( '#\R+#', ', ', $location->description );

		printf(
			'<div class="invp-google-maps"><iframe frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://maps.google.com/maps?q=%s&t=m&z=%d&output=embed" aria-label="%s"></iframe></div>',
			rawurlencode( $address_to_search ),
			'13',
			esc_attr( $address_to_search )
		);

		echo wp_kses_post( $args['after_widget'] );
	}