make the fullscreen button action fullscreen the browser itself... since it turns out this is really easy these days.  You can unfullscreen your browser to get the old config.
make the fullscreen button action fullscreen the browser itself... since it turns out this is really easy these days.  You can unfullscreen your browser to get the old config.

sagemathinc/smc,sagemathinc/smc,sagemathinc/smc,sagemathinc/smc