diff --git a/templates/admin/feedback/read.html.ep b/templates/admin/feedback/read.html.ep
index e5cfec0..255cb14 100644
--- a/templates/admin/feedback/read.html.ep
+++ b/templates/admin/feedback/read.html.ep
@@ -12,7 +12,7 @@
   </div>
 % }
 <div class="row">
-  <div class="col col-md-6 mb-3">
+  <div class="col-md-6 mb-3 col-sm-12">
     <div class="card">
       <h4 class="card-header">
         User Info
@@ -42,7 +42,7 @@
       </ul>
     </div>
   </div>
-  <div class="col col-md-6 mb-3">
+  <div class="col-md-6 mb-3 col-sm-12">
     <div class="card">
       <h4 class="card-header">
         Feedback Message
@@ -54,7 +54,7 @@
       </div>
     </div>
   </div>
-  <div class="col col-md-6 mb-3">
+  <div class="col-md-6 mb-3 col-sm-12">
     <div class="card">
       <h4 class="card-header">
         Debug Info