I have confirmed it is only in google chrome, and it only occurs when the announcement block is NOT set to compact.

Your Portal Version: 1.0.6
Your phpBB Type: Standard phpBB3
MODs installed: Yes
Your knowledge: Basic Knowledge
Boardlink: http://nsg.net.au/forums

What have you done before the problem was there?
A variety of MODs.

Installed the lucid_lime theme.

What have you already tryed to solve ...