Previously while on Xubuntu 14.04 I had developed a customized theme. Please if interested in that refer here: http://www.lueckdatasystems.com/Custom_assembled_attractive_dark_blue_th...

Since LTS upgrading to Xubuntu 16.04, I had to adjust it slightly to obtain satisfactory results. Here is what I came up with.

1) First set the window style and icons as follows:

I found many posts about running x11vnc at boot up on various flavors of Ubuntu 16.04 (Xenial Xerus). None of the posted suggestions would work for me as-is. I ended up finding a solution that works on Xubuntu 16.04 (Xenial Xerus), so am posting just the Systemd service file here as a suggestion of what works for me: