+#navigator-toolbox > toolbar:not(#toolbar-menubar):not(#TabsToolbar):not(#nav-bar):not(#addon-bar) {
+ overflow: -moz-hidden-unscrollable;
+ max-height: 4em;
+ transition: min-height 170ms ease-out, max-height 170ms ease-out;
+}
+
+#navigator-toolbox > toolbar:not(#toolbar-menubar):not(#TabsToolbar):not(#nav-bar):not(#addon-bar)[collapsed=true] {
+ min-height: 0.1px;
+ max-height: 0;
+ transition: min-height 170ms ease-out, max-height 170ms ease-out, visibility 170ms linear;
+}
+