cartpops_powered_by_classes

Filter the classes added to the Powered By element.

/**
 * Add or filter (specific) classes.
 *
 * @param array $classes Array of HTML class names.
 */
function my_prefix_classes_powered_by( $classes ) {
	$classes[] = 'custom-class';

	return $classes;
}
add_filter( 'cartpops_powered_by_classes', 'my_prefix_classes_powered_by', 10, 1 );