diff --git a/agaric/templates/layout/node--teaser.html.twig b/agaric/templates/layout/node--teaser.html.twig
index e896d2e..a604aa4 100644
--- a/agaric/templates/layout/node--teaser.html.twig
+++ b/agaric/templates/layout/node--teaser.html.twig
@@ -71,7 +71,7 @@
  */
 #}
 
-<a class="teaser media content" href="{{ url }}">
+<a class="teaser media content columns" href="{{ url }}">
 
 {% set has_title_paragraph = false %}
 {% if content.field_body_paragraph %}
@@ -84,7 +84,7 @@
 {% endif %}
 
 {% if not has_title_paragraph %}
-  <div class="media-left">
+  <div class="media-left column">
     {{ content.field_image }}
     {% if node.bundle == 'blog' and content.field_authors is not empty %}
       <p class="byline is-mono">
@@ -93,7 +93,7 @@
       </p>
     {% endif %}
   </div>
-  <div class="media-content content">
+  <div class="media-content content column">
     <h3 class="title is-5">{{ label }}</h3>
     <div class="subtitle is-6">
       {{ content.field_summary }}