Dark/Black theme (works with 115.*)

A simple black and white dark theme based on Luminous Matter.

Arc X Dark

A dark blue theme that compliments niivu's ARC X Windows 10 Theme from deviantart.

Polygon Black and Gray by MaDonna

Theme Designed by MaD♥nna

Lollipop Road

This persona is gentle transition of colors on a gradient that reminds me of an isle of lollipops. This gradient will not fight for focus against Firefox elements or web pages.

Green Text on Black

A solid black background with green text.

Internet Explorer Blue Theme

Tired of Firefox's purple color that does not match the rest of Windows Vista/7? Try this Persona.

Gradient

F R E S H

A FRESH way to browse the web

Brushed Metal - Lighted

Brushed Metal... with a twist!

Breeze Solarized Light

Simple theme based on Kde Breeze Light theme, with solarized colors.

Dark Green 222

Dark Green

Pure White Marble

Clear Transparent Glass

clear, looks like glass.

Full White

Just black

Just a solid black background with white letters, that´s how a browser have to look like!

Blue To Blue

Simple gradient blue background

Royale 2

Orangine

Grey and orange theme

old dark pink

Classic Blue

My second persona. A beautiful blue gradient that will surely be a mainstay on your firefox main GUI.