I got the overlapping problem in both IE and FF, but think I found the fix for you. In you stylesheet_header_menu.css , find this section of code:
Code:
div#dropMenu ul.level3,
div#dropMenu ul.level4,
div#dropMenu ul.level5,
div#dropMenu ul.level6,
div#dropMenu ul.level7,
div#dropMenu ul.level8{
/*top: 0;*/
top: 0.3em;
/*left: 16.8em; position sub-level right of 1st level */
left: 13.3em; /* position sub-level over 1st level */
background:#4f4f4f;
border-left: 1px solid #444;
border-top: 1px solid #444;
margin-left: 45px;
}
and add "margin-left: 45px", as shown above in red. That seemed to fix the problem for me in both IE and FF.
Hope this helps.
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