add rendered with <3 to footer

_includes/footer.html

@@ -8,6 +8,9 @@
           This site is licensed under the <a href="http://creativecommons.org/licenses/by/3.0/">
           Creative Commons Attribution 3.0 Unported License</a>.</p>
         </p>
+        <div id="with-♥">
+          Demystified with &lt;3 by <a href="http://github.com">GitHub</a>
+        </div>
       </footer>
 
     </div><!-- /container -->

css/application.css

@@ -463,3 +463,5 @@ strong {
 .cf {
     zoom:1;
 }
+
+#with-♥ { float: right; clear: right;}