LUNA FOX for BlueThemes by Firefox user 5771907

Thanks to unholy-stock for the awesome free stock image : http://unholy-stock.deviantart.com/art/Miscellaneous-objects-51-144624299 (industrial mechanical skull skulls moon lunar firefox logo midnight night dark gothic goth rusty metal silver chrome rust tentacles branches mettalica corrugated heavy black gray acdc sky windows chain death tech machine maiden iron steel gradient metallic