HighContrast (c) by Sixsixfive(https://sixsixfive.deviantart.com/)

HighContrast icons are licensed under a
Creative Commons Attribution-ShareAlike 4.0 License.

You should have received a copy of the license along with this
work.  If not, see <http://creativecommons.org/licenses/by-sa/4.0/>.

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The HighContrast icons were also initially based on 
The GTK/Adwaita/GNOME symbolic icon theme:

* https://github.com/GNOME/adwaita-icon-theme
* https://git.gnome.org/browse/gnome-icon-theme-symbolic/
