A button for the Mediawiki toolbar: link to Wikipedia.
<a href="//commons.wikimedia.org/wiki/User:Inductiveload" title="User:Inductiveload">User:Inductiveload</a>
05-08-2010
Based on <a href="//commons.wikimedia.org/wiki/File:Button_base.png" title="File:Button base.png">File:Button base.png</a> as the background