As for now the themes for homepage is kind of boring.
1: Add clear colors
2: Option to to add your own background.
No add-on, no fiddling around. Just choose..
Anyway..Love firefox 🙂
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Currently we cannot add wallpapers of our own choice from the gallery/file manager. Please add such an option.(The Opera Browser has such option)
(Note: a similar idea has been merged into this thread)
Even Microsoft let's you, it's sad
Homepage wallpaper in Firefox like Microsoft edge have. Kindly add this feature