diff --git a/src/content/components/common/hint.css b/src/content/components/common/hint.css
index 119dd21..1f2ab20 100644
--- a/src/content/components/common/hint.css
+++ b/src/content/components/common/hint.css
@@ -4,7 +4,7 @@
   font-weight: bold;
   position: absolute;
   text-transform: uppercase;
-  z-index: 100000;
+  z-index: 2147483647;
   font-size: 12px;
   color: black;
 }