https://www.tzum.info/wp-content/themes/pluto-by-osetin/assets/js/init-lightbox.js?x37717

1
2( function( $ ) {
3
4  // Document Ready functions
5  $( function() {
6
7    $('.os-lightbox-activator').magnificPopup({
8      type: 'image',
9      mainClass: 'mfp-with-zoom', // this class is for CSS animation below
10
11      zoom: {
12        enabled: true, // By default it's false, so don't forget to enable it
13
14        duration: 300, // duration of the effect, in milliseconds
15        easing: 'ease-in-out', // CSS transition easing function
16
17        // The "opener" function should return the element from which popup will be zoomed in
18        // and to which popup will be scaled down
19        // By defailt it looks for an image tag:
20        opener: function(openerElement) {
21          // openerElement is the element on which popup was initialized, in this case its <a> tag
22          // you don't need to add "opener" option if this code matches your needs, it's defailt one.
23          return openerElement.is('img') ? openerElement : openerElement.find('img');
24        }
25      }
26
27    });
28
29  } );
30} )( jQuery );