diff --git a/chrome/content/zotero-platform/mac/tab.css b/chrome/content/zotero-platform/mac/tab.css
new file mode 100644
index 000000000..b06b5c528
--- /dev/null
+++ b/chrome/content/zotero-platform/mac/tab.css
@@ -0,0 +1,4 @@
+#zotero-pane .toolbar {
+	-moz-appearance: none !important;
+	background-color: -moz-mac-chrome-active !important;
+}
\ No newline at end of file
diff --git a/chrome/content/zotero/tab.xul b/chrome/content/zotero/tab.xul
index d2a5cc86f..de1b7b1e9 100644
--- a/chrome/content/zotero/tab.xul
+++ b/chrome/content/zotero/tab.xul
@@ -3,6 +3,7 @@
 <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
 <?xml-stylesheet href="chrome://zotero/skin/zotero.css" type="text/css"?>
 <?xml-stylesheet href="chrome://zotero/skin/tab.css" type="text/css"?>
+<?xml-stylesheet href="chrome://zotero-platform/content/tab.css" type="text/css"?>
 <?xul-overlay href="chrome://zotero/content/zoteroPane.xul"?>
 <?xul-overlay href="chrome://zotero/content/itemPane.xul"?>