elementary-dark : subtle dark theme based on the higly popular elementary theme ( http://satya164.deviantart.com/art/elementary-Dark-GTK3-Theme-244257862 )
numix-icon-theme : Icon theme from the numix project. ( http://numixproject.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a causelay
For Paludis use this rsync : rsync://gentoo.zugaina.org/causelay-portage
If you have a problem : ycarus(-at-)zugaina.org