diff --git a/config/settings.yml b/config/settings.yml
index 4f7c2c8f3..495688a66 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -28,7 +28,7 @@ defaults: &defaults
   reduce_motion: false
   system_font_ui: false
   noindex: false
-  theme: 'default'
+  theme: 'mastodon'
   aggregate_reblogs: true
   notification_emails:
     follow: false
diff --git a/config/themes.yml b/config/themes.yml
index 9c21c9459..5a8594f74 100644
--- a/config/themes.yml
+++ b/config/themes.yml
@@ -1,3 +1,12 @@
-default: styles/application.scss
 contrast: styles/contrast.scss
+contrast-wider: styles/contrast-wider.scss
+pop: styles/pop.scss
+pop-wider: styles/pop-wider.scss
+pop-light: styles/pop-light.scss
+pop-light-wider: styles/pop-light-wider.scss
+mastodon: styles/application.scss
+mastodon-wider: styles/mastodon-wider.scss
 mastodon-light: styles/mastodon-light.scss
+mastodon-light-wider: styles/mastodon-light-wider.scss
+werefox: styles/werefox.scss
+werefox-wider: styles/werefox-wider.scss