Top Menu in IE

Hi

I am using (for my sins) IE8. The theme works amazingly in everything else, but in IE8 the top menu (which is a static menu) displays really badly. Rather than horizontal, it is vertical and plan text.

Screenshot: https://www.gamified.co.uk/bad-menu.JPG

Link: https://www.gamified.co.uk/2012/06/18/rewarding-failure-can-it-work-in-gamification/ (when the background fades out, just click outside the focused content!)