https://batumi24.ge/item/new
when add new ad do not working category this already happened several times i had to reinstall the template
http://prntscr.com/l8cgz3

also does not work in the mobile version of the sidebar
http://prntscr.com/l8chmb

When authorizing Facebook, the modal window shows http://prntscr.com/l8cim6
 so after reloading the page shows authorization

@Vadim
1) you have a lot of css and js issues in your console, so javascript functionality may be affected
2) any link used in modal must have target="_top" attribute to not to load in frame