DebugPoint published a GNOME 3.36 customization guide for Ubuntu Linux 20.04 LTS.
Customize GNOME in Ubuntu 20.04 with a New Look
You can try this cool tips to customize your latest GNOME 3.36 desktop in Ubuntu 20.04 LTS. There are thousands of ways you can transform your GNOME desktop using themes, icons, colors, and many tweakings. Most of them are targetted to cater to a particular transformation like – make your Linux desktop look like Windows.
Customize GNOME in Ubuntu 20.04 with a New Look