diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index 5b8476e..46e5d27 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -4292,6 +4292,7 @@
     }
 
     #navigator-toolbox {
+      position: relative;
       z-index: 2;
     }
 
@@ -4406,6 +4407,7 @@
       }
 
       #navigator-toolbox {
+        position: relative;
         z-index: 2;
       }
 
diff --git a/src/tabbar/_one_liner.scss b/src/tabbar/_one_liner.scss
index 4742d4f..6326d1c 100644
--- a/src/tabbar/_one_liner.scss
+++ b/src/tabbar/_one_liner.scss
@@ -27,6 +27,7 @@
 }
 
 #navigator-toolbox {
+  position: relative;
   z-index: 2;
 }