diff --git a/src/other/firefox/common/parts/popups.css b/src/other/firefox/common/parts/popups.css
index 51353733..688f8c52 100644
--- a/src/other/firefox/common/parts/popups.css
+++ b/src/other/firefox/common/parts/popups.css
@@ -307,3 +307,12 @@ panel[type="autocomplete-richlistbox"] {
 .autocomplete-richlistitem:not([type="loginsFooter"]):hover .ac-site-icon {
 	fill: #fff !important;
 }
+
+/* Fixes for menu scrollbox */
+arrowscrollbox.menupopup-arrowscrollbox {
+	height: 100%;
+}
+
+box.scrollbox-clip > scrollbox {
+	padding-right: 10px;
+}