diff --git a/templates/book/_gallery.html.twig b/templates/book/_gallery.html.twig
index e81d33cd..b7966f0d 100644
--- a/templates/book/_gallery.html.twig
+++ b/templates/book/_gallery.html.twig
@@ -2,7 +2,7 @@
 <div class="container">
     <div class="row">
         {% for book in pagination %}
-            <div class="col-md-4 col-lg-3 col-xl-2 col-sm-6 col-12">
+            <div class="col-md-4 col-lg-3 col-xl-2 col-sm-6 col-6">
                 {% include 'book/_teaser.html.twig' %}
             </div>
         {% endfor %}