Well, no site problem without the chance for a little design test. I noticed that other sites in the network employ a specialized "we are offline" site (not the 404 site or the "there was an error" site) congruent with their individual designs, here in an example from Science Fiction and Fantasy:
But when visiting ours, it wasn't our great new graduated design, but the generic StackExchange design:
Was this just a caching problem from my side, was this forgot to adapt in the graduation process or was this deliberately generalized for new SE sites?