I have read on multiple sites about creating a userchrome.css file and pasting code inside of the file. WHenever I do, I close firefox because the code doesnt work. I go back to the .CSS file and I find this @namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul); #main-window { -moz-appearance: -moz-win-glass !important;} #titlebar-buttonbox > toolbarbutton { opacity: 0.0 !important; } .tabbrowser-tab { opacity: 0.97 !important; } The code I pasted is now in a file called WBbackupuserChrome.css which mysteriously appeared in my profile folder. How do I get the mutirow toolbar back. Can someone guide me in the right direction?