[minor] [website] fix in container
diff --git a/portal/templates/sale.html b/portal/templates/sale.html
index 2a7c603..5dc72c7 100644
--- a/portal/templates/sale.html
+++ b/portal/templates/sale.html
@@ -3,7 +3,7 @@
 {% set title=doc.name %}
 
 {% block content %}
-<div class="col-md-12">
+<div class="container content">
     <ul class="breadcrumb">
     	<li><a href="index">Home</a></li>
     	<li><a href="{{ parent_link }}">{{ parent_title }}</a></li>