i.e: .altibox, .image, #myid-for-image: This will apply Altibox for any clicked element that have one of the previous CSS selectors.

List of allowed characters : letters, numbers and , - _ = " ~ > # ( ) | \ . $ ^ + * [ ]
More information on css selectors', $this->plugin_name); ?>

To do so, add a same rel attribute to images: rel="gallery1"', $this->plugin_name); ?>

documentation.', $this->plugin_name); ?>