This is probably a dumb question but have you tried restarting your computer or clearing your cache on chrome? Mine was working yesterday and I was able to login again this morning.
Our first recommendation is to clear your cache and browsing history. Nine times out of ten, that will clear up that blank screen issue. If it does not, send our customer support folks an email and they'll look at your account and get everything taken care of. Their email is [email protected]