1 files changed, 19 insertions, 0 deletions
diff --git a/toolkit/themes/linux/global/tooltip.css b/toolkit/themes/linux/global/tooltip.css
new file mode 100644
index 0000000000..7c50f81cb7
--- /dev/null
+++ b/toolkit/themes/linux/global/tooltip.css
@@ -0,0 +1,19 @@
+/* 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 file is imported as a UA stylesheet because the default tooltip is
+ * built as native anonymous content.
+ */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+tooltip {
+  appearance: auto;
+  -moz-default-appearance: tooltip;
+  margin-top: 21px;
+  max-width: 40em;
+  color: InfoText;
+  font: message-box;
+}