Change theme and manifest bg color

index.html

@@ -9,7 +9,7 @@
     <!-- App identity -->
     <meta name="application-name" content="Marco">
     <meta name="apple-mobile-web-app-title" content="Marco">
-    <meta name="theme-color" content="#F6E9A6">
+    <meta name="theme-color" content="#333333">
 
     <!-- PWA Manifest -->
     <link rel="manifest" href="/manifest.webmanifest">

public/manifest.webmanifest

@@ -5,8 +5,8 @@
   "start_url": "/",
   "scope": "/",
   "display": "standalone",
-  "background_color": "#F6E9A6",
-  "theme_color": "#F6E9A6",
+  "background_color": "#f8f9fa",
+  "theme_color": "#333333",
   "icons": [
     {
       "src": "/icons/icon-192.png",