This script adds a black background and a Lava Orb image to a blank page in Firefox. Designed to work with LavaFox & BlackFox themes, Firefox themes which you can get here: https://addons.mozilla.org/en-US/firefox/user/4710003 To apply, use stylish or copy and paste into your userContent.css
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NOTES
4/2/12: Updated to work with version 1.3.8 of LavaFox & BlackFox that include styling for the newTab Page.