diff --git a/Extensions/combined/popup.css b/Extensions/combined/popup.css
index 57b8e268..7a4a19c8 100644
--- a/Extensions/combined/popup.css
+++ b/Extensions/combined/popup.css
@@ -1,5 +1,8 @@
 /* Variables */
 :root {
+  color-scheme: dark;
+
+  --primary: #cc2929;
   --primary: #f39090;
   --secondary: #502e2e;
   --tertiary: #221818;