<?xml version="1.0" ?> <openerp> <data> <template id="mail_to_assets_backend" name="mail_to_assets_backend" inherit_id="web.assets_backend" > <xpath expr="." position="inside"> <link rel="stylesheet" href="/mail_to/static/src/css/mail_to.css" /> </xpath> </template> </data> </openerp>