https://wordpress.org/support/topic/prettyphoto-lightbox-constantly-jumping-to-the-bottom-of-the-page?replies=5#post-5859826
Found the answer on this topic, the problem is solved!!!
Just add these lines into your .css file:
html {
overflow-y: scroll;
height: 101%;
}
Hello! I have the same problem on my site, please help me out!
http://misharim.ru
My site have a intricate multidomain structure, so I can’t simply install some plug-in through admin panel.
It looks like some js conflict.
