The default dark theme in Ubuntu 19.04/19.10 Gnome is missing some components in gnome shell. This will apple the YAru dark theme to the missing portions of gnome shell.
sudo apt install git meson sassc libglib2.0-dev libxml2-utils
git clone https://github.com/ubuntu/yaru
cd yaru
meson build
cd build
sudo ninja install
sudo apt install gnome-tweaks gnome-shell-extensions
- install gnome extension user-themes
- using the browser extension:
- https://extensions.gnome.org/extension/19/user-themes/
- github repo:
- https://gitlab.gnome.org/GNOME/gnome-shell-extensions
- start gnome tweaks
gnome-tweaks
- go to to 'Extensions'
- enable user themes
- go to
Appearance
- go to
Shell
enable the dark theme
sudo rm -r /usr/share/themes/{Yaru,Yaru-dark,Yaru-light}
sudo apt install --reinstall yaru-theme-gnome-shell yaru-theme-gtk