I want to make window backgrounds semi-transparent while keeping the window elements such as text and icons and other stuff(like controls) on top of it opaque. Till now, I have stumbled upon ways to make the entire window transparent, but not a part of it.
So, there's a package,
compizconfig-settings-manager, which installs a program,
ccsm. In previous versions of Ubuntu, this included, in the "Accessibility" section, a feature, "Opacity, Brightness, and Saturation."
Now, you need to additionally install the package
compiz-plugins in order for this to appear.
sudo apt-get install compizconfig-settings-manager compiz-plugins
- Then, run