ptc-wp/functions.php

<?php
/**
 * Theme functions and definitions
 *
 * @package HelloElementorChild
 */


include( get_stylesheet_directory() . '/mark.php' );
add_theme_support( 'post-thumbnails', array( 'page' ) ); 
/**
 * Load child theme css and optional scripts
 *
 * @return void
 */
function hello_elementor_child_enqueue_scripts() {
	wp_enqueue_style(
		'hello-elementor-child-style',
		get_stylesheet_directory_uri() . '/style.css',
		[
			'hello-elementor-theme-style',
		],
		'1.0.0'
	);

    wp_enqueue_script(
        'hello-elementor-child-scripts',
        get_stylesheet_directory_uri() . '/scripts.js',
        [
            'jquery',
        ],
        '1.0.0'
    );
}
add_action( 'wp_enqueue_scripts', 'hello_elementor_child_enqueue_scripts' );
add_filter('hello_elementor_page_title', '__return_false');
add_filter( 'body_class', function( $classes ) {
    return array_merge( $classes, [ 'q-app-styles' ] );
} );