![Icon of macOS Sierra Dark Theme](https://addons.thunderbird.net/static/img/addon-icons/default-64.png)
macOS Sierra Dark Theme 1.0
by Netsec News
A Solid black theme to match macOS Sierra's new Dark Theme. Also works well with Mac OS X Yosemite's Dark Theme.
About this Add-on
A Solid black theme to match macOS Sierra's new Dark Theme. Also works well with Mac OS X Yosemite's Dark Theme.