Been searching high and low but can't find any info on where the source for the styles actually are.
Any pointers ?
May I suggest you enable the jboss.org menu and fill out downloads, doc, issue tracker and source code info ?
Then its easier to find
Found it by guessing - http://anonsvn.jboss.org/repos/pressgang/pressgang-tools/trunk
The new location for pressgang-tools is in github, along with all other PressGang project source: