I'm trying to open up the Custom CSS window and it keeps coming up blank:
I've logged out and logged back in, closed the window, etc. It has worked once in the past hour or so, and when I went back to edit the CSS I ended up with this problem again. Has anyone ever had this problem and is it fixable? Or could it be something to do with my code messing things up? Or is this just a problem SquareSpace is having at the moment?