diff --git a/chrome/autohide_bookmarks_and_main_toolbars.css b/chrome/autohide_bookmarks_and_main_toolbars.css
index d9fa6f3..89a7eb2 100644
--- a/chrome/autohide_bookmarks_and_main_toolbars.css
+++ b/chrome/autohide_bookmarks_and_main_toolbars.css
@@ -19,7 +19,13 @@ See the above repository for updates as well as full license text. */
 :root[chromehidden~="toolbar"] #navigator-toolbox{
   --uc-navbar-height: 0px;
 }
-
+#navigator-toolbox,
+#sidebar-box,
+#sidebar-main,
+#sidebar-splitter,
+#tabbrowser-tabbox{
+  z-index: auto !important;
+}
 :root[sessionrestored] #nav-bar,
 :root[sessionrestored] #PersonalToolbar{
   background-image: linear-gradient(var(--toolbar-bgcolor),var(--toolbar-bgcolor)), var(--lwt-additional-images,var(--toolbar-bgimage))  !important;
diff --git a/chrome/autohide_main_toolbar.css b/chrome/autohide_main_toolbar.css
index ec2397e..89c0e57 100644
--- a/chrome/autohide_main_toolbar.css
+++ b/chrome/autohide_main_toolbar.css
@@ -23,6 +23,13 @@ See the above repository for updates as well as full license text. */
 }
 #titlebar{ position: relative; z-index: 3 }
 
+#navigator-toolbox,
+#sidebar-box,
+#sidebar-main,
+#sidebar-splitter,
+#tabbrowser-tabbox{
+  z-index: auto !important;
+}
 /* Show when toolbox is focused, like when urlbar has received focus */
 #navigator-toolbox:focus-within > .browser-toolbar{
   transform: translateY(0);