Red-on-Black is a dark red-trimmed theme with Cinnamon, GTK3.2, Plank, XFWM4, and Gnome Shell components.
Tested with Linux Mint 19.1-Cinnamon, Ubuntu 18.04, and MX-18.1.
Gnome colored and Papirus icons available.
Ensure that themes and icons are decompressed and placed in their appropriate folders.
Gnome shell tweak tool and extensions can be installed to use gnome shell theme in Ubuntu.