Tell me about it. This is an app written to explore AJAX and also provide a radical way to spend every minute that is not 12:38 (waiting intently for that magical time return).
12:38 is everything you've ever wanted it to be, nothing you don't want to be. Among other things, it is about not letting the Gregorian calendar tell you when to party.
CSS sprites should have probably been used for the initial implementation. Converting to node would be a trendy move which might get around the need for CSS sprites.