AnyColor for Firefox, transparency effects and much more new colors is designed to give a new look to your browser using add-on a Mozilla.
Just any one of the preset themes included with the tool to change the appearance of Firefox and restart your browser to install.
There are dozens of new themes available. Just to change the background color (transparency effects) using menu and navigation bars visible, you can’t do anything for the placement of the artistic image in the background.
The program also has the Effects tab, if you add all newcomers with the program and even search for new themes if you don’t like allows you to use transparent layers.