Rated 5 out of 5 stars

TT Deepdark is the best theme for Thunderbird!
Smooth, comfortable, simple and elegant looks

This review is for a previous version of the add-on (2.2.1). 

Rated 5 out of 5 stars

I love very much this TT Deep Dark theme.
And I never change to other theme.
Please keep this theme update in every thunderbird update version.
Thanks.

This review is for a previous version of the add-on (2.2.1).