diff --git a/fortune_generator/index.html b/fortune_generator/index.html
index cbb474e..42d4dc6 100644
--- a/fortune_generator/index.html
+++ b/fortune_generator/index.html
@@ -95,8 +95,8 @@
     <!-- page after button click end -->
 
     <div class="row">
-      <button class="col-2 offset-5" id="btn" onclick="getLuck()">點擊打卡</button>
-      <div class="col-2 offset-3 bx bx-moon" id="dark-mode-icon"></div>
+      <button class="col-4 offset-4" id="btn" onclick="getLuck()">點擊打卡</button>
+      <div class="col-2 offset-2 bx bx-moon" id="dark-mode-icon"></div>
     </div>
 
   </div>