website_blog_excerpt_img/views/assets.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- © 2016 Grupo ESOC Ingeniería de Servicios, S.L.U. - Jairo Llopis
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html). -->

<openerp>
<data>

<template id="assets_frontend" inherit_id="website_blog.assets_frontend">
    <xpath expr=".">
        <link
            rel="stylesheet"
            href="/website_blog_excerpt_img/static/src/css/website_blog_excerpt_img.css"/>
    </xpath>
</template>

</data>
</openerp>