diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index 54327f0..ec151b2 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -3,7 +3,8 @@
     "options": {
         "width": "100%",
         "height": "100%",
-        "padding": "0"
+        "padding": "0",
+        "bgcolor": "#0B1120"
     },
     "subwidgets": [
         {