This is the theme, better than a burrito, that is shaped by the community on the Ubuntu discourse. This version however is colorized to the Cinnamon #DD682A color scheme and comes with Cinnamon DE and Metacity Window Manager support.

This package contains the GTK+ 2 and 3 theme parts, along with Cinnamon and Metacity support.

If you want to follow development, more information here: https://community.ubuntu.com/c/desktop/theme-refresh