diff --git a/src/template/web.chat.header/theme/dark.css b/src/template/web.chat.header/theme/dark.css
index cccdd062..022c1224 100644
--- a/src/template/web.chat.header/theme/dark.css
+++ b/src/template/web.chat.header/theme/dark.css
@@ -1,3 +1,5 @@
 body.dark {
-	--input-bg-color:#202123;
+	--plugin-bg-color:#0d1117;
+	--input-bg-color:#171a22;
+	/* --input-bg-color:#202123; */
 }