-/*
-progressmeter[mode="undetermined"] {
- -moz-binding: url("chrome://global/content/bindings/progressmeter.xml#progressmeter-undetermined");
+
+@supports ( -moz-appearance: -moz-mac-unified-toolbar ) {
+ /* this is a usable workaround to detect we're on Mac OS */
+ toolbar.chromeclass-menubar {
+ -moz-binding: url("chrome://global/content/bindings/toolbar.xml#toolbar");
+ border-bottom: none;
+ }