Greenish Blue

Dark Imagine Theme

Simple black theme by Imagine.

Cool Blue

Just a plain cool theme

Reece's Mixed Dark

Dark theme with blue accents.

Stylish

Gray gradient stylish theme

Windows 10 dark test

thin top red gradient

glowing black

black with glowing letter

Mac OSX Light

It's for those Mac OSX users that want just a slightly lighter interface. Enjoy!

One Dark

One Dark theme for Thunderbird.

Glass - Blood

Simple clean glass effect with color accents.

Blue Ocean Gradient

A simple and calm theme for your browser.

MaDonnas Aurora Blue

Designed by MaDonna

Breeze (Plasma 5)

Matches the default Plasma's Breeze style

Linen Light

A smooth simple linen texture in a light warm grey.

black Brushed

Rated me

Classic Red

My first persona. A beautiful dark red gradient that will surely be a mainstay on your firefox main GUI.

Polish blue 1.0

Motyw by QLIN

Everforest Theme

Everforest color scheme theme for Thunderbird

Couleur arc en ciel - rainbow