diff --git a/img/ui/background01.webp b/img/ui/background01.webp
new file mode 100644
index 0000000..ae3078d
Binary files /dev/null and b/img/ui/background01.webp differ
diff --git a/system.json b/system.json
index 7b8ab2d..8814e6c 100644
--- a/system.json
+++ b/system.json
@@ -10,6 +10,7 @@
   "author": "LeRatierBretonnien",
   "esmodules": [ "module/sos-main.js" ],
   "styles": ["styles/simple.css"],
+  "background" : "img/ui/background01.webp",
   "media": [
   ],
   "packs": [