[IMP] base: description pages containers width

Containers inside description pages must be displayed as a
container-fluid since they are inside a box which has a
smaller width than a container.

openerp/addons/base/static/src/css/description.css

@@ -21,6 +21,9 @@
   background: white;
   font-size: 16px;
 }
+.openerp .oe_form .oe_styling_v8 .container {
+  width: 100%;
+}
 .openerp .oe_form .oe_styling_v8 .oe_websiteonly {
   display: none;
 }

openerp/addons/base/static/src/css/description.sass

@@ -37,6 +37,9 @@ $v8_anchor_visited_color: rgb(91, 40, 79)
   background: $v8_bg_color
   font-size: 16px
 
+  .container
+    width: 100%
+
   .oe_websiteonly
     display: none