diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index b5f2884..e291f12 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -4291,6 +4291,10 @@
       transform: translateY(calc(-1 * var(--uc-navbar-block, 0px)));
     }
 
+    #navigator-toolbox {
+      z-index: 2;
+    }
+
     @supports not -moz-bool-pref("userChrome.tabbar.one_liner.combine_navbar") {
       :root {
         --uc-navbar-gap: 10px;
@@ -4401,6 +4405,10 @@
         transform: translateY(calc(-1 * var(--uc-navbar-block, 0px)));
       }
 
+      #navigator-toolbox {
+        z-index: 2;
+      }
+
       @supports not -moz-bool-pref("userChrome.tabbar.one_liner.combine_navbar") {
         :root {
           --uc-navbar-gap: 10px;
diff --git a/src/tabbar/_one_liner.scss b/src/tabbar/_one_liner.scss
index 2824363..4742d4f 100644
--- a/src/tabbar/_one_liner.scss
+++ b/src/tabbar/_one_liner.scss
@@ -26,6 +26,10 @@
   transform: translateY(calc(-1 * var(--uc-navbar-block, 0px)));
 }
 
+#navigator-toolbox {
+  z-index: 2;
+}
+
 @include NotOption("userChrome.tabbar.one_liner.combine_navbar") {
   :root {
     --uc-navbar-gap: 10px;