cc-by-sa.html

<div id="footer">
<div id="footer-text">
<br />Write Better Python blog by Mats Wichmann is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
</div>
<div id="footer-badges">
<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">
  <img alt="Creative Commons License"
    style="border-width:0"
    src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" />
</a>
</div>
</div>