when I view source of your page, i see the following code:
<style type="text/css" media="all">
<!--
@import url("CSSMenuWriter/cssmw/menu.css");
-->
<!-- InstanceEndEditable -->
this is missiing a closing </style tag, it should be:
<style type="text/css" media="all">
<!--
@import url("CSSMenuWriter/cssmw/menu.css");
-->
</style>
<!-- InstanceEndEditable -->