diff --git a/mozilla/suite/themes/classic/navigator/mac/tabbrowser.css b/mozilla/suite/themes/classic/navigator/mac/tabbrowser.css
new file mode 100644
index 00000000000..530303863ca
--- /dev/null
+++ b/mozilla/suite/themes/classic/navigator/mac/tabbrowser.css
@@ -0,0 +1,6 @@
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+tab[busy] {
+  list-style-image: url("chrome://global/skin/loading.gif");
+}
diff --git a/mozilla/suite/themes/classic/navigator/win/tabbrowser.css b/mozilla/suite/themes/classic/navigator/win/tabbrowser.css
new file mode 100644
index 00000000000..530303863ca
--- /dev/null
+++ b/mozilla/suite/themes/classic/navigator/win/tabbrowser.css
@@ -0,0 +1,6 @@
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+tab[busy] {
+  list-style-image: url("chrome://global/skin/loading.gif");
+}
diff --git a/mozilla/suite/themes/modern/jar.mn b/mozilla/suite/themes/modern/jar.mn
index 2cab212d78d..17cf7fb283f 100644
--- a/mozilla/suite/themes/modern/jar.mn
+++ b/mozilla/suite/themes/modern/jar.mn
@@ -295,6 +295,7 @@ modern.jar:
   skin/modern/editor/icons/smiley/wink.gif                         (editor/icons/smiley/wink.gif)
   skin/modern/editor/icons/smiley/wink_n.gif                       (editor/icons/smiley/wink_n.gif)
   skin/modern/global/autocomplete.css                              (global/autocomplete.css)
+  skin/modern/global/browser.css                                   (global/browser.css)
   skin/modern/global/button.css                                    (global/button.css)
   skin/modern/global/checkbox.css                                  (global/checkbox.css)
   skin/modern/global/colorpicker.css                               (global/colorpicker.css)
diff --git a/mozilla/suite/themes/modern/navigator/tabbrowser.css b/mozilla/suite/themes/modern/navigator/tabbrowser.css
new file mode 100644
index 00000000000..5639ce183a5
--- /dev/null
+++ b/mozilla/suite/themes/modern/navigator/tabbrowser.css
@@ -0,0 +1,6 @@
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+tab[busy] {
+  list-style-image: url("chrome://communicator/skin/icons/loading.gif");
+}