diff --git a/userChrome.css b/userChrome.css
index 6f7e737..c3486b4 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -85,7 +85,8 @@
   */
 
    /*== Menu color ===========================================================*/
-  :root {
+  :root,
+  menupopup {
     /* is same as toolbar color https://github.com/mozilla/gecko-dev/blob/master/toolkit/themes/windows/global/global.css#L17-L67 */
     --menu-color: var(--toolbar-color) !important;
     --menu-background-color: var(--toolbar-bgcolor) !important;