From GazelleGames (GGn) Staff -

We will be moving the site to a new server tomorrow evening (PST). The site and tracker will be offline for a couple hours while we complete the move. This should hopefully resolve the issues with 502 and 504 errors as well as the empty stylesheet issue.

IRC will remain online, though there may be issues connecting with Vertigo. Feel free to join the #Testing channel if you have issues joining the main channel.

The downtime will be announced in IRC and on site shortly before happening.