diff --git a/backend/src/assets/css/header.css b/backend/src/assets/css/header.css
index 8140ff97..530fadb2 100644
--- a/backend/src/assets/css/header.css
+++ b/backend/src/assets/css/header.css
@@ -3,7 +3,7 @@
 .header {
   position: sticky !important;
   top: 0;
-  z-index: 101;
+  z-index: 1400;
 }
 
 .menu {
diff --git a/frontend/src/assets/css/header.css b/frontend/src/assets/css/header.css
index ebd1d4ba..840309f3 100644
--- a/frontend/src/assets/css/header.css
+++ b/frontend/src/assets/css/header.css
@@ -3,7 +3,7 @@
   position: -webkit-sticky !important;
   position: sticky !important;
   top: 0;
-  z-index: 101;
+  z-index: 1400;
 }
 
 .menu {