gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<rules
    xmlns="http://namespaces.plone.org/diazo"
    xmlns:css="http://namespaces.plone.org/diazo/css"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <rules css:if-not-content="body.template-mail_password_form, body.template-mail_password_response, body.template-pwreset_form, body.template-register, body.template-registered">
      <drop css:content="#hugo" />
  </rules>
</rules>