diff --git a/bskyembed/src/index.css b/bskyembed/src/index.css
index efd9f4a4e7..91ea9d7ee6 100644
--- a/bskyembed/src/index.css
+++ b/bskyembed/src/index.css
@@ -6,7 +6,7 @@
   word-break: break-word;
 }
 
-:root {
+#app {
   color-scheme: light dark;
 }