You can install the light-themes package from the universe repo to get the Ambiance and Radiance themes. To do that, run the following command in Terminal
sudo apt install light-themes
For the icons, the Humanity icon theme should be installed by default. If it's not for some reason, install it by running
You can install the
light-themes
package from the universe repo to get the Ambiance and Radiance themes. To do that, run the following command in TerminalFor the icons, the Humanity icon theme should be installed by default. If it's not for some reason, install it by running
Then you can install (GNOME) Tweaks by running
and use it to switch to your preferred theme.