diff --git a/src/main.css b/src/main.css
index 08bc956..43756cb 100644
--- a/src/main.css
+++ b/src/main.css
@@ -578,6 +578,7 @@ input:valid+span:after {
   bottom: 1em;
   left: 50%;
   transform: translateX(-50%);
+  z-index: 9;
 }
 
 .alert-info {