Want to change up how you use Firefox? Some other browsers did the whole “tabs on the bottom” thing – and yes, Firefox can even pull off this trick with a little hacking around with the UserChrome.css file.

Here is what you need to add to your UserChrome.css file to get this to work:
/* Display the tabbar at the bottom */
#content > tabbox { -moz-box-direction: reverse; }
You can also move the tab bar to your left or right too, just in case you want to really try something different.
Fun With userChrome.cssYou have not earned your Firefox “street credit” if you haven’t ever messed with your userChrome.css file. Come on, all the cool kids are doing it.
Edits to your Firefox profile’s userChrome.css file can make all sorts of fun and
Remove the Toolbar ClutterBy design, Firefox is pretty easy to customize as far as the toolbars on the top go. You just have to right click on some empty space up there, then choose “Customize”. From there you can drag things
Love (or Disable) the New Tab Button in Firefox
Love it, or hate it – Firefox got one more addition to it’s browser that seems to have gotten a mixed reaction from the fans. The open new tab button rests at the end of your tab bar in