Wordpress Child Theme Overriding Parent

functions.php

// Credit @rmulugeta https://wordpress.org/support/users/rmulugeta/
// from https://wordpress.org/support/topic/child-theme-not-overriding-parent-stylecss/
<?php
add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles',999 );
function theme_enqueue_styles() {
	wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
	wp_enqueue_style( 'child-style',
	get_stylesheet_directory_uri() . '/styles/child-style.css',
	array('parent-style')
	);
}
?>