A warm, earthy light theme with a cornsilk3 background, built on top
of the `modus-themes' framework.  Adopts palette mapping refinements
from `ef-themes-palette-common' for subtler UI defaults; see the
"Adopted from ef-themes" block in the mappings to revert to stock
modus behavior.

To use it, put the following in your Emacs configuration file:

  (load-theme 'faff t)