diff --git a/css/userChrome-files/context_menus.css b/css/userChrome-files/context_menus.css
index 3fb80bb..23a2092 100644
--- a/css/userChrome-files/context_menus.css
+++ b/css/userChrome-files/context_menus.css
@@ -8,6 +8,9 @@ popup > menu > menupopup {
   border: none!important;
   padding: 0!important
 }
+menu.subviewbutton > .menu-right {
+  fill: #000!important
+}
 .menu-right {
   filter: invert(95%)!important
 }
diff --git a/userChrome.css b/userChrome.css
index ce010bc..345d868 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -397,6 +397,9 @@ popup > menu > menupopup {
   border: none!important;
   padding: 0!important
 }
+menu.subviewbutton > .menu-right {
+  fill: #000!important
+}
 .menu-right {
   filter: invert(95%)!important
 }