+import datetime
+
+html_copyright = """<div style="font-size: small; color: gray; margin-top: 1em;">Authors: Michal Sojka, Pavel Píša, Martin Hořeňovský, Copyright © 2010-%d Czech Technical University in Prague.<br />
+<a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0; vertical-align:text-bottom;" src="http://i.creativecommons.org/l/by-sa/3.0/80x15.png" /></a> This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.</div>""" % datetime.date.today().year