jonpaulh

put:

div#ss_pages {width:50%;float:left;}
div.clear {clear:both;}

In style.css

then add

<div class="clear"></div>

to line 534 of wp-content/plugins/simple-sitemap/simple-sitemap.php

So it looks like so

</div><!--ss_posts-->

		<?php endif; ?>

</div>
<div class="clear"></div>