Apparently that element is generated by the wiki software, since most pages want the "view source / history" buttons above the rest of the content.

jQuery('#mw-content-text > p:first').hide()

-- Dan Burton

On Tue, Oct 1, 2013 at 8:17 AM, Dan Burton <danburton.email@gmail.com> wrote:

The offending HTML is on line 93:

<p><br/></p>

When I delete this paragraph element from the DOM, the ugly white bar goes away.