move css

src/Wallabag/CoreBundle/Resources/views/themes/material/public/css/main.css

@@ -24,6 +24,10 @@ body {
     background: #f0f0f0;
 }
 
+body.login main {
+    padding: 0;
+}
+
 #warning_message {
     position: fixed;
     background-color: #ff6347;

src/Wallabag/UserBundle/Resources/views/themes/material/layout.html.twig

@@ -2,6 +2,8 @@
 
 {% block title %}Welcome on wallabag!{% endblock %}
 
+{% block body_class %}login{% endblock %}
+
 {% block menu %}{% endblock %}
 {% block messages %}{% endblock %}
 
@@ -15,11 +17,6 @@
         </div>
     </div>
 </main>
-<style>
-    main {
-        padding: 0;
-    }
-</style>
 {% endblock %}
 
 {% block footer %}