Alpenglow

The legendary 'Firefox Alpenglow' theme now available for Thunderbird.

Solarized light Theme ternoc

Solarized theme created by ternoc, based on Ethan Schoonover palette.

Tokyo Night

A nice dark theme for Thunderbird based on Enkia's Tokyo Night theme for VIsual Studio Code.

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