https://www.fhf.fr/modules/custom/fhf_content_display/modules/fhf_colorbox/js/options.js?v=1.x

1(function($) {
2  Drupal.behaviors.mytheme1Behavior = {
3    attach: function(context, settings) {
4
5      $(document).bind('cbox_complete', function(){
6        $('#cboxLoadedContent', context).append('<span class="fhficon fhficon-loop fw-bold"></span>')
7        //$('#cboxLoadedContent img', context).wrap('<span style="display:block"></span>').parent().zoom();
8        $('#cboxLoadedContent .fhficon', context).click(function (){
9          var _this = $(this);
10          _this.parent().find('img').wrap('<span style="display:block"></span>').parent().zoom();
11          _this.css('opacity', 0);
12          setTimeout(function() {
13            _this.hide();
14          }, 100);
15        });
16      });
17
18    }
19  };
20})(jQuery, Drupal);