Borderless, minimalist Firefox themes with single coloured active tabs and highlights. Supports version 89+
Colours in use: Black: #282828, Grey: #aaaaaa, Green: #689d69
Green active tabs and highlights. Inspired by gruvbox. Available on the Firefox Add-ons site.
Colours in use: Black: #2b303c, Light Grey: #c5c5c7, Blue: #81a1c1
Blue active tabs and highlights. Inspired by Nord colour palette. Available on the Firefox Add-ons site.
Colours in use: Black: #1e1f29, Grey: #aaaaaa, Purple: #725e97
Purple active tabs and highlights. Inspired by Dracula-GTK. Available on the Firefox Add-ons site.
Colours in use: Black: #181b1e, Shadow Green: #9fbfb7, Yellow: #dcd88c, Red: #f6867c
Yellow active tabs and red highlights. Inspired by Sweet Mars theme. Available on the Firefox Add-ons site.