diff --git a/app/views/static/top.html.erb b/app/views/static/top.html.erb
index a2352984..3a135b82 100644
--- a/app/views/static/top.html.erb
+++ b/app/views/static/top.html.erb
@@ -28,7 +28,7 @@
     <p><a href="https://twitter.com/rubykaigi" target="_blank" class="text-blue-600 dark:text-blue-500 hover:underline">X</a></p>
     <p><a href="https://smarthr.co.jp/" target="_blank" class="text-blue-600 dark:text-blue-500 hover:underline">SmartHR</a></p>
   </div>
-  <div>
+  <div class="text-sm text-gray-500">
     This website is made with Rails7, Hotwire and TailwindCSS
   </div>
 </div>