Examine source code of Band Guardian

{
  "theme": {
    "images": {
      "theme_frame": "Guardian2200cpia.jpg"
    },
    "colors": {
      "frame": "#910a0a",
      "tab_background_text": "#22610b"
    }
  },
  "version": "2.0",
  "name": "Band Guardian",
  "manifest_version": 2,
  "description": "Gospel"
}