Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for TT DeepDark by Marky Mark DE
Rated 5 out of 5 stars
some Themes don't work with the current TB 17 in this case you can try "Titlebar Tabs Cleaner"
https://addons.mozilla.org/en-us/thunderbird/addon/titlebar-cleaner/
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