diff --git a/src/other/firefox/WhiteSur/icons/screenshot-symbolic.svg b/src/other/firefox/WhiteSur/icons/screenshot-symbolic.svg
new file mode 100644
index 00000000..3232ca15
--- /dev/null
+++ b/src/other/firefox/WhiteSur/icons/screenshot-symbolic.svg
@@ -0,0 +1 @@
+<svg height="16" width="16" xmlns="http://www.w3.org/2000/svg"><g fill="#363636"><path d="M11 12h5v1h-5z"/><path d="M13 10h1v5h-1zM13 8h1v1h-1zM1 8h1v1H1zM13 4h1v1h-1zM1 4h1v1H1zM13 2h1v1h-1zM1 2h1v1H1zM1 10h1v1H1zM1 12h1v1H1zM3 12h1v1H3zM5 12h1v1H5zM7 12h1v1H7zM3 2h1v1H3zM5 2h1v1H5zM7 2h1v1H7zM11 2h1v1h-1zM9 12h1v1H9zM9 2h1v1H9zM13 6h1v1h-1zM1 6h1v1H1z"/></g></svg>
\ No newline at end of file
diff --git a/src/other/firefox/WhiteSur/icons/tab-sync-symbolic.svg b/src/other/firefox/WhiteSur/icons/tab-sync-symbolic.svg
index 4afe2c13..4129e6fa 100644
--- a/src/other/firefox/WhiteSur/icons/tab-sync-symbolic.svg
+++ b/src/other/firefox/WhiteSur/icons/tab-sync-symbolic.svg
@@ -1,4 +1,4 @@
-<svg version="1.1" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
  <defs>
   <style id="current-color-scheme" type="text/css">.ColorScheme-Text {
         color:#363636;
diff --git a/src/other/firefox/WhiteSur/icons/window-new-symbolic.svg b/src/other/firefox/WhiteSur/icons/window-new-symbolic.svg
index 7aef9541..4e50a7c0 100644
--- a/src/other/firefox/WhiteSur/icons/window-new-symbolic.svg
+++ b/src/other/firefox/WhiteSur/icons/window-new-symbolic.svg
@@ -1,4 +1,4 @@
-<svg version="1.1" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
  <defs>
   <style id="current-color-scheme" type="text/css">.ColorScheme-Text {
         color:#363636;
diff --git a/src/other/firefox/WhiteSur/parts/icons.css b/src/other/firefox/WhiteSur/parts/icons.css
index cd627001..c71e83b6 100644
--- a/src/other/firefox/WhiteSur/parts/icons.css
+++ b/src/other/firefox/WhiteSur/parts/icons.css
@@ -229,7 +229,7 @@ menuitem[type="radio"]:not([disabled="true"]):hover .menu-iconic-icon {
 	list-style-image: url("../icons/edit-find-symbolic.svg") !important;
 }
 /* New window button */
-#nav-bar #new-window-button {
+#new-window-button {
 	list-style-image: url("../icons/window-new-symbolic.svg") !important;
 }
 /* Bookmarks menu button */
@@ -356,7 +356,7 @@ menuitem[type="radio"]:not([disabled="true"]):hover .menu-iconic-icon {
 	list-style-image: url("../icons/forget-history-symbolic.svg") !important;
 }
 
-#nav-bar #sync-button {
+#sync-button {
 	list-style-image: url("../icons/tab-sync-symbolic.svg") !important;
 }
 
@@ -372,6 +372,10 @@ menuitem[type="radio"]:not([disabled="true"]):hover .menu-iconic-icon {
 	list-style-image: url("../icons/character-symbolic.svg") !important;
 }
 
+#screenshot-button {
+	list-style-image: url("../icons/screenshot-symbolic.svg") !important;
+}
+
 .popup-notification-icon[popupid="web-notifications"], .desktop-notification-icon {
 	list-style-image: url("../icons/notification-symbolic.svg") !important;
 }