rejected firefox upstream as this is not a upstream problem, This sounds more like a compiz issue. If you shut compiz off the the toolbars look normal again? What version of ubuntu and compiz/desktop-effects are you using? and a screenshot would be helpful.
rejected firefox upstream as this is not a upstream problem, This sounds more like a compiz issue. If you shut compiz off the the toolbars look normal again? What version of ubuntu and compiz/ desktop- effects are you using? and a screenshot would be helpful.