diff --git a/core/themes/stable/templates/form/details.html.twig b/core/themes/stable/templates/form/details.html.twig
index ccd2796..118a817 100644
--- a/core/themes/stable/templates/form/details.html.twig
+++ b/core/themes/stable/templates/form/details.html.twig
@@ -25,6 +25,7 @@
     <summary{{ summary_attributes.addClass(summary_classes) }}>{{ title }}</summary>
   {%- endif -%}
 
+  <div class="details-wrapper">
   {% if errors %}
     <div>
       {{ errors }}
@@ -34,4 +35,5 @@
   {{ description }}
   {{ children }}
   {{ value }}
+  </div>
 </details>