In addition to changing themes, you can personalize Firefox even more by using your own toolbar background image. Add the following code to your userChrome.css file:

/* Use a background image for the toolbars:
   (Substitute your image file for background.gif) */

 menubar, toolbox, toolbar, .tabbrowser-tabs {
   background-image: url(”background.gif”) !important;
   background-color: none !important;
   }

It’s easiest to place the image file in the same location as the userChrome.css file. The image can be of any image format supported by Firefox.

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