diff --git a/src/main/resources/static/css/public.css b/src/main/resources/static/css/public.css
index 1f5e23cc..08a81810 100644
--- a/src/main/resources/static/css/public.css
+++ b/src/main/resources/static/css/public.css
@@ -48,7 +48,7 @@ body {
     color: #6b6b6b;
     position: sticky;
     top: 0;
-    z-index: 99;
+    z-index: 999;
     background: #ffffff;
 }
 
diff --git a/target/classes/static/css/public.css b/target/classes/static/css/public.css
index 1f5e23cc..08a81810 100644
--- a/target/classes/static/css/public.css
+++ b/target/classes/static/css/public.css
@@ -48,7 +48,7 @@ body {
     color: #6b6b6b;
     position: sticky;
     top: 0;
-    z-index: 99;
+    z-index: 999;
     background: #ffffff;
 }