functions.php

<?php

add_action('blocksy:pro:content-blocks:pre-output', function ($id) {
	if (function_exists('ub_load_assets')) {
		add_action( 'enqueue_block_assets', function () {
			ub_load_assets();
		});

		add_action('wp_head', function () use ($id) {
			global $post;
			$post = get_post($id);
			setup_postdata($post);

			ub_include_block_attribute_css();

			wp_reset_postdata();
		});
	}
});