I have a problem with a jQuery UI 1.7.2 sortable list in Firefox 3.6, IE7-8 work fine. When I\'m scrolled down a bit, the helper element seems to have an offset of the same
For future readers with this problem. I upgraded from jqueryui 1.8 to 1.10.3 and the problem was solved with no css fixes.
http://jqueryui.com/
I also upgraded from jquery 1.8 to 1.10.2
http://jquery.com/