diff --git a/src/runtime/tailwind.css b/src/runtime/tailwind.css
index 13095587..f5c393d5 100644
--- a/src/runtime/tailwind.css
+++ b/src/runtime/tailwind.css
@@ -2,6 +2,10 @@
 @tailwind components;
 @tailwind utilities;
 
+.dark {
+  color-scheme: dark;
+}
+
 @layer utilities {
   .u-bg-white { @apply bg-white dark:bg-black; }
   .u-bg-gray-50 { @apply bg-gray-50 dark:bg-gray-900; }