diff --git a/agaric/templates/paragraph/paragraph--title.html.twig b/agaric/templates/paragraph/paragraph--title.html.twig
index 6048bac..e02cdbf 100644
--- a/agaric/templates/paragraph/paragraph--title.html.twig
+++ b/agaric/templates/paragraph/paragraph--title.html.twig
@@ -63,7 +63,7 @@
 {% endif %}
 
 {% block paragraph %}
-  <section{{ attributes.addClass(classes) }}>
+  <section{{ attributes.addClass(classes) }} data-headerbg="transparent">
     {% block content %}
     {% if paragraph.field_style_titlebar.value == false %}
     <div class="container">