Type of morale indicator.

Hmm... well, I also have Opera installed, and everything works perfectly! So, it's definitely not Opera. Although, maybe it's an outdated version? Have you updated it recently? I checked Explorer, and everything works fine there too...
It's the Hammers of Fate skin... and I can increase the database level without any problems. I really don't know how to help you. I'll go experiment with the styles now.