diff --git a/src/other/firefox/Monterey/colors/dark.css b/src/other/firefox/Monterey/colors/dark.css
index 7ddb4ce3..8dd3325d 100644
--- a/src/other/firefox/Monterey/colors/dark.css
+++ b/src/other/firefox/Monterey/colors/dark.css
@@ -32,7 +32,7 @@
 	--gnome-popover-shadow: 0 5px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.75);
 	--gnome-popover-button-hover-background: rgba(255, 255, 255, 0.1);
 	--gnome-popover-button-active-background: rgba(255, 255, 255, 0.15);
-	--gnome-popover-separator-color: rgba(255, 255, 255, 0.1);
+	--gnome-popover-separator-color: rgba(255, 255, 255, 0.08);
 
 	/* Header bar */
 	--gnome-headerbar-background: #373737;
diff --git a/src/other/firefox/WhiteSur/colors/dark.css b/src/other/firefox/WhiteSur/colors/dark.css
index df37a336..6b9e9d60 100644
--- a/src/other/firefox/WhiteSur/colors/dark.css
+++ b/src/other/firefox/WhiteSur/colors/dark.css
@@ -33,7 +33,7 @@
 	--gnome-popover-shadow: 0 5px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.75);
 	--gnome-popover-button-hover-background: rgba(255, 255, 255, 0.1);
 	--gnome-popover-button-active-background: rgba(255, 255, 255, 0.15);
-	--gnome-popover-separator-color: rgba(255, 255, 255, 0.1);
+	--gnome-popover-separator-color: rgba(255, 255, 255, 0.08);
 
 	/* Header bar */
 	--gnome-headerbar-background: #373737;
diff --git a/src/other/firefox/common/pages/newtab.css b/src/other/firefox/common/pages/newtab.css
index 6a5daade..a400ebab 100644
--- a/src/other/firefox/common/pages/newtab.css
+++ b/src/other/firefox/common/pages/newtab.css
@@ -31,6 +31,10 @@ body {
 	padding: 6px 12px !important;
 }
 
+.context-menu > ul > li.separator {
+	border-bottom: 1px solid var(--gnome-popover-separator-color) !important;
+}
+
 .home-section .section .switch {
 	width: 30px !important;
 	height: 20px !important;
diff --git a/src/other/firefox/common/parts/dialogs.css b/src/other/firefox/common/parts/dialogs.css
index 9484bea7..4fdf87b9 100644
--- a/src/other/firefox/common/parts/dialogs.css
+++ b/src/other/firefox/common/parts/dialogs.css
@@ -94,6 +94,10 @@ dialog[subdialog] {
 	flex: 1;
 }
 
+.dialog-button-box spacer.button-spacer {
+	display: none;
+}
+
 /* Buttons borders - only suppor for cancel/ok */
 /*.dialog-button-box button[dlgtype="accept"] {*/
 /*	border-right: 0 !important;*/
diff --git a/src/other/firefox/common/parts/popups.css b/src/other/firefox/common/parts/popups.css
index 1baf2ce1..8d4bab50 100644
--- a/src/other/firefox/common/parts/popups.css
+++ b/src/other/firefox/common/parts/popups.css
@@ -7,11 +7,6 @@
 menupopup, panel,
 :is(menupopup, panel)[type="arrow"] {
 	-moz-appearance: none !important;
-}
-
-menupopup, panel,
-:is(menupopup, panel)[type="arrow"]
-:is(panel, menupopup)::part(content) {
 	--panel-background: var(--gnome-menu-background) !important;
 	--arrowpanel-border-radius: 12px !important;
 	--arrowpanel-background: var(--gnome-menu-background) !important;
@@ -19,19 +14,25 @@ menupopup, panel,
 	--panel-padding: 6px !important;
 	--panel-shadow: var(--gnome-popover-shadow) !important;
 	--panel-shadow-margin: 3px 8px 13px !important;
-	--panel-border-color: transparent !important;
-	--arrowpanel-border-color: transparent !important;
 	--panel-separator-color: var(--gnome-popover-separator-color) !important;
 	color: var(--gnome-toolbar-color) !important;
 }
 
+menupopup, panel,
+:is(menupopup, panel)[type="arrow"],
+:is(panel, menupopup)::part(content) {
+	--panel-border-color: transparent !important;
+	--arrowpanel-border-color: transparent !important;
+
+}
+
 .panel-arrowcontent {
 	border: none !important;
 }
 
 @media (prefers-color-scheme: dark) {
 menupopup, panel,
-:is(menupopup, panel)[type="arrow"]
+:is(menupopup, panel)[type="arrow"],
 :is(panel, menupopup)::part(content) {
 	--panel-border-color: rgba(255, 255, 255, 0.06) !important;
 	--arrowpanel-border-color: rgba(255, 255, 255, 0.06) !important;
@@ -199,7 +200,6 @@ menuitem, menupopup menu,
 	fill-opacity: 1 !important;
 }
 
-
 /* Menu buttons disabled */
 menuitem[disabled="true"], menupopup menu[disabled="true"],
 .subviewbutton[disabled="true"], .toolbarbutton-1[disabled="true"],
@@ -228,7 +228,8 @@ menupopup menu:not([disabled="true"]):is(:hover, [_moz-menuactive]),
 
 /* Style popover separators */
 toolbarseparator, menuseparator {
-	border-color: var(--gnome-popover-separator-color) !important;
+	appearance: none !important;
+/*	border-color: var(--gnome-popover-separator-color) !important;*/
 }
 #PlacesToolbar menupopup[placespopup="true"] menuseparator {
 	border-top: 1px solid var(--gnome-popover-separator-color) !important;
@@ -239,6 +240,7 @@ toolbarseparator, menuseparator {
 	border: 0 !important;
 }
 toolbarseparator:not([orient="vertical"]), menupopup menuseparator {
+	border-top: 1px solid var(--gnome-popover-separator-color) !important;
 	margin: 4px 0 !important;
 }
 toolbarseparator[orient="vertical"] {