diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/interfaces/viewlet.py
--- a/src/pyams_skin/interfaces/viewlet.py	Wed May 20 15:01:45 2015 +0200
+++ b/src/pyams_skin/interfaces/viewlet.py	Wed Jun 17 10:00:10 2015 +0200
@@ -117,7 +117,7 @@
 
     icon_class = TextLine(title="Shortcut icon class")
 
-    label = Attribute("Shortcut title")
+    label = TextLine(title="Shortcut title")
 
     url = TextLine(title="Shortcut target URL")
 
@@ -247,6 +247,14 @@
 
 
 #
+# Widget title extensions viewlet manager
+#
+
+class IWidgetTitleViewletManager(IViewletManager):
+    """Widget title viewlet manager"""
+
+
+#
 # Toolbar viewlet manager
 #
 
@@ -318,4 +326,4 @@
     """Context actions viewlet manager"""
 
     css_class = TextLine(title="Button CSS class",
-                         default='btn btn-xs btn-primary dropdown-toggle')
+                         default='btn btn-xs btn-default dropdown-toggle')