diff --git a/app/views/posts/show.html.haml b/app/views/posts/show.html.haml
index 578d0af68..dc20c7193 100644
--- a/app/views/posts/show.html.haml
+++ b/app/views/posts/show.html.haml
@@ -35,7 +35,7 @@
       %li.breadcrumb-item.active{"aria-current" => "page"}= @post.subject
 
 .row
-  .col-8.col-xs-12
+  .col-md-8.col-12
     %section.blog-post
       .card.post{ id: "post-#{@post.id}" }
         .card-header