diff --git a/src/index.html b/src/index.html
index f3e6858..6adef12 100644
--- a/src/index.html
+++ b/src/index.html
@@ -11,6 +11,8 @@
     <link rel="manifest" href="./imgs/favicon/site.webmanifest">
     <!-- Bootstrap CSS -->
     <link rel="stylesheet" href="../style.css">
+    <!-- boostrap -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
     <!-- boostrap-icons -->
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css" integrity="sha384-4LISF5TTJX/fLmGSxO53rV4miRxdg84mZsxmO8Rx5jGtp/LbrixFETvWa5a6sESd" crossorigin="anonymous">
   </head>