Fix layout of github link in menu

Author: joto

Diff for: _layouts/default.html

@@ -22,7 +22,7 @@
 <!--                <li><a href="/news.html">NEWS</a></li>-->
                 <li><a href="/sponsors.html">SPONSORS</a></li>
                 <li><a href="/contact.html">CONTACT</a></li>
-                <li><a class="github" href="https://github.com/osmcode"><span id="githublink"><img src="/img/github.png" width="16" height="16"/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>CODE</a></li>
+                <li><a class="github" href="https://github.com/osmcode"><span id="githublink"><img src="/img/github.png" width="16" height="16"/>&nbsp;&nbsp;&nbsp;</span>CODE</a></li>
             </ul>
         </header>
         <main>