diff --git a/src/styles/index.scss b/src/styles/index.scss
index ac0eaf8..9ccbb21 100644
--- a/src/styles/index.scss
+++ b/src/styles/index.scss
@@ -65,6 +65,9 @@ label {
 .disno{
   display: none;
 }
+.z90{
+  z-index: 90;
+}
 
 .animation {
   -webkit-transition: all 0.2s ease;