diff --git a/templates/node.html.twig b/templates/node.html.twig
index 963f8b8..240312e 100644
--- a/templates/node.html.twig
+++ b/templates/node.html.twig
@@ -67,7 +67,7 @@
  * @ingroup themeable
  */
 #}
-<article id="node-{{ node.id }}" {{ attributes }}>
+<article id="node-{{ node.id }}" {{ attributes.addClass('columns') }}>
 
   {{ title_prefix }}
   {% if not page %}
