Title: [CSS] Style for Firefox Custom Profile "fullscreen" Author: Twilypastes Pastebin link: http://pastebin.com/Gi5ke4WK First Edit: Sunday 12th of July 2015 07:52:41 PM CDT Last Edit: Last edit on: Monday 13th of July 2015 12:37:07 AM CDT @namespace html url(http://www.w3.org/1999/xhtml); @namespace xul url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul); /*     Author: Twily     Description: Style for Firefox Custom Profile "fullscreen"                  Intended for use with slocker http://twily.info/slocker#Openbox                  !! Makes many UI features in Firefox inaccessible - use only for custom profile !!         How to make custom profile:        $ firefox -ProfileManager -no-remote     Make new profile "fullscreen"     Do not make default, only start     Install addon "Stylish"; apply this style     Press F11 (fullscreen) then exit (Alt+F4)         How to run custom profile:        $ firefox -P "fullscreen" -no-remote ~/slideshow.html       slideshow.html template http://pastebin.com/JDNPTSUH */   @-moz-document url(chrome://browser/content/browser.xul) {     #nav-bar, #TabsToolbar, #navigator-toolbox { display: none !important; } }