Ohhhhh, OK. The problem was, the prefs were ALSO transparent/invisible, so I couldn't see them. The note finally appeared in front of something with enough con

Ohhhhh, OK. The problem was, the prefs were ALSO transparent/invisible, so I couldn't see them. The note finally appeared in front of something with enough contrast that I could nab it and turn it off. Thanks! "Ghost mode": Make me invisible :-)