I've tried to run custom stylesheets for some of these sites, to make them more usable and cut the cruft, but the interface elements are such a moving target, a

I've tried to run custom stylesheets for some of these sites, to make them more usable and cut the cruft, but the interface elements are such a moving target, and with what appears to be randomized or obfuscated class names and ids, that it's a real PITA to keep working