diff --git a/app/views/admin/designs/_form.html.erb b/app/views/admin/designs/_form.html.erb
index 556687fa..9d57b877 100644
--- a/app/views/admin/designs/_form.html.erb
+++ b/app/views/admin/designs/_form.html.erb
@@ -18,5 +18,5 @@
 			<%= f.text_field :intro %>
     </div>
   </div>
-    <%= f.submit t(:update_) %>
+    <%= f.submit t(:update_), :class=>"btn btn-primary" %>
 <% end %>