hidden_fieldset is a class not an ID.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34454 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_css/erp5_km_common.css.xml

@@ -64,7 +64,7 @@
   display: none !important\n
 }\n
 \n
-fieldset#hidden_fieldset {\n
+fieldset.hidden_fieldset {\n
   display: none;\n
 }\n
 \n

bt5/erp5_km/bt/revision

-1325
\ No newline at end of file
+1326
\ No newline at end of file