From what I can see it only happens in IE9 and only when the compatibility mode is on. I asked one of my friends to take a look and it works fine on his PC in IE9, so it looks like it may be isolated to certain OSs too.
Drop-down appears under the wrong top-level menu –
The site can be seen here – http://www.traffic-club.org/
I have been looking at CSS and from what I can see everything is kosher. I appreciate any feedback you may have!
To my mind, a good solution to this problem is this:
Add
position: relative;to yourlis that have a dropdown menu anf set theleftproperty to0(notauto) when a user hovers the link.Its line 121 in your css file:
left: auto;