--- /dev/null
+/* generic */
+SPAN.disabledToolbarButton
+{ filter: alpha(opacity=40); }
+
+DIV.javascriptPopupBackground
+{ filter: alpha(opacity=60); }
+
+DIV.javascriptMessagePseudoWindow,
+DIV.javascriptMessagePseudoTopWindow
+{ filter: alpha(opacity=100); }
+
+/* MailerUI */
+IMG.dragMessage
+{ filter: alpha(opacity=70); }
+
+/* SchedulerUI */
+DIV[class~="event"]._selected > DIV.eventInside
+{ filter: alpha(opacity=70); }
+
+DIV.shadow1.css,
+DIV.shadow2.css,
+DIV.shadow3.css,
+{ filter: alpha(opacity=10); }
+
+DIV.shadow4.css
+{ filter: alpha(opacity=40); }