diff --git a/slices/main/actions/posts/react.rb b/slices/main/actions/posts/react.rb
index 8944dd7..48e4e26 100644
--- a/slices/main/actions/posts/react.rb
+++ b/slices/main/actions/posts/react.rb
@@ -16,6 +16,9 @@ module Main
 
           res.body = "👍 #{reaction_count}"
           res.status = 201
+
+        rescue
+          res.status = 400
         end
       end
     end
diff --git a/slices/main/templates/shared/_reactions.html.slim b/slices/main/templates/shared/_reactions.html.slim
index e10fa62..c43d590 100644
--- a/slices/main/templates/shared/_reactions.html.slim
+++ b/slices/main/templates/shared/_reactions.html.slim
@@ -1,3 +1,3 @@
-button hx-post="/posts/#{post.slug}/react" hx-trigger="click" class="px-2 py-1 border rounded border-indigo-900 hover:border-indigo-400 text-indigo-200 mr-2" 👍 #{post.reactions.count}
+button hx-post="/posts/#{post.slug}/react" hx-trigger="click" class="px-2 py-1 border rounded border-blue-100 dark:border-indigo-900 hover:border-blue-200 hover:bg-blue-100 hover:dark:bg-indigo-900 hover:dark:border-indigo-400 text-gray-400 dark:text-indigo-200 mr-2 hover:scale-110 transition-all" 👍 #{post.reactions.count}
 - if post.webmentions && post.webmentions.count == 0 && post.commentable
   a class="no-underline px-2 py-1 border rounded border-indigo-900 hover:border-indigo-400 text-indigo-200 mr-2" href="mailto:blog@dnitza.com?subject=About that post of yours&body=%0A%0A---%0A(In reply to #{post.permalink})" ✉️ Reply