[root@dyw1 ~]# grep ' dywang' -A2 /usr/lib64/firefox/browser/defaults/\
preferences/all-redhat.js
/* dywang */
pref("browser.uidensity", 1);
pref("browser.tabs.drawInTitlebar", true);
[dywang@msi ~]$ gsettings list-keys org.gnome.settings-daemon.plugins.power power-button-action idle-dim sleep-inactive-ac-type sleep-inactive-battery-timeout sleep-inactive-battery-type sleep-inactive-ac-timeout ambient-enabled idle-brightness