diff --git a/assets/css/event-bridge-for-activitypub-admin.css b/assets/css/event-bridge-for-activitypub-admin.css
index f76a067..6c62d22 100644
--- a/assets/css/event-bridge-for-activitypub-admin.css
+++ b/assets/css/event-bridge-for-activitypub-admin.css
@@ -181,3 +181,7 @@ code.event-bridge-for-activitypub-settings-example-url {
 #event_bridge_for_activitypub_summary_type_custom-details {
 	display: none;
 }
+
+#event_bridge_for_activitypub_summary_type_custom-details > details {
+	padding: 0.5em;
+}