diff --git a/agaric/templates/paragraph/paragraph--title.html.twig b/agaric/templates/paragraph/paragraph--title.html.twig
index 1c98aff..0cf74c6 100644
--- a/agaric/templates/paragraph/paragraph--title.html.twig
+++ b/agaric/templates/paragraph/paragraph--title.html.twig
@@ -41,6 +41,7 @@
 {%
   set classes = [
     'hero',
+    'hero-project',
     'is-cinnamon',
     'paragraph',
     'paragraph--type--' ~ paragraph.bundle|clean_class,