wordpress enqueue style child theme

1// To enqueue the WordPress way your CSS sources
2// INSIDE your theme/child functions.php:
3
4function wp_starter_scripts() {
5	wp_enqueue_style( 'wp-style-menu', get_template_directory_uri() . '/style-menu.css' );
6	wp_enqueue_style( 'wp-style-buttons', get_template_directory_uri() . '/style-buttons.css' );
7	wp_enqueue_style( 'wp-style-footer', get_template_directory_uri() . '/style-footer.css' );
8  }
9add_action( 'wp_enqueue_scripts', 'wp_starter_scripts' );