diff --git a/assets/style.css b/assets/style.css
index 6deb869..1a13b4c 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -156,7 +156,7 @@ header hr {
     overflow: hidden;
     max-height: 0;
     border: 0 solid transparent;
-    transition: max-height 0.1s ease, border 0.1s ease;
+    transition: max-height 0.3s ease, border 0.2s ease;
     position: relative;
     z-index: 999;
 }
@@ -169,7 +169,7 @@ header hr {
 .navsite_item:not(:hover) .navpage_list {
     max-height: 0;
     border: 0 solid transparent;
-    transition-delay: 0.1s;
+    transition-delay: 0.3s;
 }