diff --git a/priv/static/style.css b/priv/static/style.css
index 01b3fb3..8b69cf1 100644
--- a/priv/static/style.css
+++ b/priv/static/style.css
@@ -25,6 +25,10 @@
     --button-background: silver;
     --inactive-color: lightgray;
   }
+
+  html {
+    color-scheme: dark;
+  }
 }
 
 /* CSS reset */