diff --git a/cartographie/css/style.css b/cartographie/css/style.css
index 6537fc2..c15e4f8 100644
--- a/cartographie/css/style.css
+++ b/cartographie/css/style.css
@@ -54,6 +54,7 @@
     left: 0 !important;
     border: none !important;
     border-radius: 0 !important;
+    z-index: 999 !important;
 }
 
 .map-container {