[IMP] theme_real_estate: theme improvement

Revamp of `theme_real_estate`

task-4178611

closes odoo/design-themes#906

Signed-off-by: Outagant Mehdi (mou) <mou@odoo.com>

theme_real_estate/views/snippets/s_key_benefits.xml

@@ -2,6 +2,10 @@
 <odoo>
 
 <template id="s_key_benefits" inherit_id="website.s_key_benefits">
+    <!-- Section -->
+    <xpath expr="//section" position="attributes">
+        <attribute name="class" add="o_cc o_cc2" separator=" "/>
+    </xpath>
     <!-- Titles -->
     <xpath expr="(//h3)[1]" position="replace" mode="inner">
         Personalized Property Searches