Personal Gentoo overlay. Maybe you'll find something useful here too.
Add an entry in /etc/portage/repos.conf/csssuf.conf:
[csssuf]
location = /usr/local/overlay/csssuf
sync-type = git
sync-uri = https://github.com/csssuf/overlay.git
See here for more information on how to configure overlays if you want to change anything.
PRs welcome. Please use repoman to make sure your ebuilds don't have issues.