Can Lightbox match image aspect ratios?

Hey!

Try adding this at the very end of your theme / child theme functions.php file:

function change_lightbox_size() {
	return "full"; 
}
add_filter('avf_avia_builder_helper_lightbox_size', 'change_lightbox_size', 10);

Cheers!
Josue

You are welcome, always glad to help :)

Regards,
Josue