I made a rose theme a long while back and decided to re-make it, now with more aesthetically pleasing tab backgrounds! This theme does differ slightly from the original, but I couldn't find the exact images I used plus I think this looks marginally better.
If you're having issues downloading the theme, rename the zip file extension to crx and delete zip so the file name reads as "Black-Rose-Reborn.crx," then drag to extension developer tool to install.
