flat-remix : Pretty simple Linux icon theme inspired by material design ( https://github.com/daniruiz/flat-remix )
xapp-symbolic-icon-theme : A set of symbolic icons for Gtk applications and projects ( https://github.com/xapp-project/xapp-symbolic-icons )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a binaryden
For Paludis use this rsync : rsync://gentoo.zugaina.org/binaryden-portage
If you have a problem : ycarus(-at-)zugaina.org