Ubuntu – Ubuntu 18.04 missing ‘Global Dark Theme’ Option in GNOME Tweak Tool

18.04gnomegnome-tweak-toolthemes

My GNOME Ubuntu 16.04 had this option under the tweaks tool:

Tweaks > Appearance > Global Dark Theme > On/Off

My same setup on 18.04 is simply missing this option entirely. How do I get the on/off button back? There's not even this Global Dark Theme line item under Appearances at all.

Best Answer

You probably look for the Adwaita-dark theme

gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-dark'

you will also find a Firefox Extension to make it dark too
https://addons.mozilla.org/en-US/firefox/addon/adwaita-dark/

enter image description here

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