diff --git a/assets/style.css b/assets/style.css
index 7636429..e15a9cb 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -170,7 +170,7 @@ ul.navpage_list {
 .navsite_item:not(:hover) .navpage_list {
     border: 0 solid transparent;
     max-height: 0;
-    transition-delay: .1s;
+    transition: max-height .3s ease, border .325s ease !important;
     width: inherit;
 }