@@ -2389,8 +2389,12 @@ TableTools.classes_themeroller = {
                "normal": "DTTT_button ui-button ui-state-default"
        },
        "collection": {
-               "container": "DTTT_collection ui-buttonset ui-buttonset-multi"
-       }
+               "container": "DTTT_collection ui-buttonset ui-buttonset-multi",
+               "buttons": {
+                       "normal": "DTTT_button ui-button ui-state-default",
+                       "disabled": "DTTT_disabled"
+               }
+       }
 };