Css

Also includes 2 other changes (because I made some mistakes with git add -p and git stash):
- Attempt to fix updateConnectStatus to try to remove disconnected user from channel - doesn't work still (in contact with Firebase for help)
- Change to printSongList so listeners don't fire for every song listed.  Currently some song names aren't responding to mouse clicks - seems the names that have this bug have characters Jquery doesn't like, like spaces or apostrophes