6 files changed, 189 insertions, 0 deletions
diff --git a/toolkit/themes/osx/mozapps/downloads/unknownContentType.css b/toolkit/themes/osx/mozapps/downloads/unknownContentType.css
new file mode 100644
index 0000000000..96145f1f2c
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/downloads/unknownContentType.css
@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#unknownContentType {
+  font: menu;
+}
+
+description {
+  font-weight: bold;
+}
+
+#contentTypeImage {
+  margin-inline-end: 3px;
+  width: 16px;
+}
+
+#type {
+  flex: 1;
+  background-color: transparent;
+  color: inherit;
+}
+
+#container > .small-indent,
+.small-indent label {
+  margin-inline-start: 0;
+}
+
+#source,
+#location {
+  contain: inline-size;
+}
diff --git a/toolkit/themes/osx/mozapps/handling/handling.css b/toolkit/themes/osx/mozapps/handling/handling.css
new file mode 100644
index 0000000000..1f18f18ba5
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/handling/handling.css
@@ -0,0 +1,31 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+richlistitem[type] {
+  min-height: 36px; /* Don't forget to update the richlistbox height! */
+  padding-inline-start: 2px;
+ }
+
+richlistitem {
+  align-items: center;
+}
+
+richlistbox {
+  /* 3 items high, plus 4px for top and bottom margins, less 2px for border */
+  min-height: 110px;
+}
+
+.name {
+  font-weight: bold;
+}
+
+.description {
+  color: GrayText;
+}
+
+@media (prefers-contrast) {
+  richlistitem[selected] .description {
+    color: inherit;
+  }
+}
diff --git a/toolkit/themes/osx/mozapps/jar.mn b/toolkit/themes/osx/mozapps/jar.mn
new file mode 100644
index 0000000000..d61c0ec0dd
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/jar.mn
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+toolkit.jar:
+#include ../../shared/mozapps.inc.mn
+  skin/classic/mozapps/downloads/unknownContentType.css           (downloads/unknownContentType.css)
+  skin/classic/mozapps/update/updates.css                         (update/updates.css)
+  skin/classic/mozapps/handling/handling.css                      (handling/handling.css)
diff --git a/toolkit/themes/osx/mozapps/moz.build b/toolkit/themes/osx/mozapps/moz.build
new file mode 100644
index 0000000000..d988c0ff9b
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/moz.build
@@ -0,0 +1,7 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+JAR_MANIFESTS += ["jar.mn"]
diff --git a/toolkit/themes/osx/mozapps/update/updates.css b/toolkit/themes/osx/mozapps/update/updates.css
new file mode 100644
index 0000000000..1314131771
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/update/updates.css
@@ -0,0 +1,105 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Elevation Dialog */
+/* Specify the size for the UI so it has a fixed size. 3rd
+   party themes should typically specify the same values. */
+#elevationBox, .update-content {
+  height: 360px;
+  width: 700px;
+}
+
+/* Remove margin and padding so the inner UI will extend to the edge of the
+   window. 3rd party themes should typically specify the same values. */
+#updates {
+  margin: 0;
+  padding: 0;
+}
+
+.update-header {
+  appearance: auto;
+  -moz-default-appearance: dialog;
+  margin: 12px 12px 0 12px;
+}
+
+.update-header-box-1 {
+  color: #000;
+}
+
+.update-header-box-text {
+  margin: 0;
+  padding: 0;
+  font: menu;
+  font-weight: bold;
+}
+
+.update-header-label {
+  font-weight: bold;
+}
+
+.update-content {
+  padding: 6px 12px 12px 12px;
+}
+
+.update-buttons-separator {
+  display: none;
+}
+
+#update-button-box {
+  padding: 10px 12px 12px 12px;
+  appearance: auto;
+  -moz-default-appearance: statusbar;
+  -moz-window-dragging: drag;
+}
+
+#update-button-box button {
+  appearance: auto;
+  -moz-default-appearance: toolbarbutton;
+  color: ButtonText;
+  min-height: 22px;
+}
+
+#updateFinishedName {
+  font-weight: bold;
+  font-size: larger;
+}
+
+/* Update History Window */
+update {
+  border-bottom: 1px dotted #C0C0C0;
+}
+
+.update-name {
+  font-weight: bold;
+}
+
+.update-label-column {
+  align-items: flex-end;
+}
+
+.update-type {
+  font-weight: bold;
+  color: #990000;
+}
+
+.update-status-value,
+.update-installedOn-value {
+  margin-inline-start: 1ch;
+}
+
+#historyItems {
+  height: 200px;
+  flex: 1 auto;
+  margin: 1px 5px 5px 5px;
+}
+
+#historyItems .update {
+  padding: 5px;
+  display: flex;
+  flex-direction: column;
+}
+
+.update-name {
+  flex: 1;
+}
diff --git a/toolkit/themes/osx/mozapps/viewsource/viewsource.css b/toolkit/themes/osx/mozapps/viewsource/viewsource.css
new file mode 100644
index 0000000000..76c7d00b9d
--- /dev/null
+++ b/toolkit/themes/osx/mozapps/viewsource/viewsource.css
@@ -0,0 +1,5 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* This is for styling the menus of the viewsource window */