diff --git a/bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_css/km_listbox.css.xml b/bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_css/km_listbox.css.xml
index 962c0cfca705721da9e40fa9ca60ac492ee50346..aee1fb20b0e5df37068705f725a38c336744261a 100644
--- a/bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_css/km_listbox.css.xml
+++ b/bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_css/km_listbox.css.xml
@@ -340,6 +340,15 @@ div.listbox-search-mode div.maximal-width{\n
   -moz-box-shadow:4px 4px 4px rgba(0, 0, 0, 0.5);\n
   -webkit-box-shadow:4px 4px 4px rgba(0, 0, 0, 0.5);\n
   min-height:180px;\n
+}\n
+\n
+/* forum */\n
+.discussion-thread-listbox table.listbox tbody tr:hover td{\n
+  background-color:#FFF;\n
+}\n
+\n
+.discussion-thread-listbox table.listbox thead{\n
+  display: none;\n
 }
 
 ]]></unicode> </value>
diff --git a/bt5/erp5_km/bt/revision b/bt5/erp5_km/bt/revision
index af3c1947318c52e5e9f5cd65decd653ba06e39d5..e0ae3053e7c7cbddb34b55bb6a377b1746122f3a 100644
--- a/bt5/erp5_km/bt/revision
+++ b/bt5/erp5_km/bt/revision
@@ -1 +1 @@
-1789
\ No newline at end of file
+1790
\ No newline at end of file