Clean and Professional

Clean and polished theme for Thunderbird and Firefox.

HEKISU1

HEKISU1, BY: HEKISU1, Thamyris, Thamyris71.

Neopolian's purple and blue blur

A dark theme with a pleasent tab bar background image

Verdurous Darker

A dark, forest theme.

PNBG (Pretty Nice Grey - Blue)

A thorough theme, deep blue and nice grey, reminds of older chrome and Firefox look, easy on the eyes. This is a beautiful, nice theme, also available for Firefox.

Game Red Highlighted

A thorough red/dark gaming theme, no distractions, strong red details and a red indicated current tab to never be confused and always remain focused.

Liquid Gold WebExtension theme

Liquid Gold Theme for Thunderbird. I made it just for my own use. Hope you like it too..

Owner Gold

This Add-on is a simple theme.
Which is a set header on thunderbird or firfox also.
Header image is based on galaxy image as show on header.

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Blue-FK

Abstract114

yellow blues dwv

Crazy Cats Action

paper flowers by candelora

✿Theme Designed by <b>candelora ©</b>✿
Copyright Original Picture by <b>katisa</b>

TAGS:
nature,pink,purple,violet,orange,colorful,light,
bright,sunshine,spring,summer,fantasy,vector,
candelora,firefox

Abstract Dark 4K

Abstract Dark 4K • The Firefox Theme 'Abstract Dark 4K' is (c) 2017 by Band1to. - All Rights Reserved.

Abstract 4K

• Awesome Abstract 4K • Firefox Theme by Band1to •

Purple Rain By Benedict

White Light in Dark Space

Dark Theme for Firefox

It's simple and coherent that with the Turn Off the Lights Browser extension style.

Here the high quality theme use not the shining black as background and frame color. Because this reflects everything back to you. That is why this darkness theme is...

Distant Destiny