diff --git a/plugins/discourse-narrative-bot/assets/stylesheets/discourse-narrative-bot.scss b/plugins/discourse-narrative-bot/assets/stylesheets/discourse-narrative-bot.scss
new file mode 100644
index 00000000000..90dfe3032f4
--- /dev/null
+++ b/plugins/discourse-narrative-bot/assets/stylesheets/discourse-narrative-bot.scss
@@ -0,0 +1,3 @@
+article[data-user-id="-2"] div.cooked iframe {
+  border: 0;
+}
diff --git a/plugins/discourse-narrative-bot/plugin.rb b/plugins/discourse-narrative-bot/plugin.rb
index 7967f88fe3e..5def8979919 100644
--- a/plugins/discourse-narrative-bot/plugin.rb
+++ b/plugins/discourse-narrative-bot/plugin.rb
@@ -22,6 +22,7 @@ if Rails.env == "development"
 end
 
 require_relative 'lib/discourse_narrative_bot/welcome_post_type_site_setting.rb'
+register_asset 'stylesheets/discourse-narrative-bot.scss'
 
 after_initialize do
   SeedFu.fixture_paths << Rails.root.join("plugins", "discourse-narrative-bot", "db", "fixtures").to_s