Finally, we add our new stylesheet to the portal_css registry, using cssregistry.xml: <?xml version="1.0"?>
<object name="portal_css">
<stylesheet
id="++resource++optilux.cinemacontent/cinemacontent.css" />
</object>
Here, we let Plone decide the best default settings. See Chapter 8, Creating a Custom Theme, for details about the other options supported here.