Examine source code of WallpaperFactory Avarest

{
  "name": "WallpaperFactory Avarest",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Mobil wallpaper.jpg"
    },
    "colors": {
      "frame": "rgba(147, 158, 184, 1)",
      "tab_background_text": "rgba(173, 176, 176, 1)",
      "bookmark_text": "rgba(47, 51, 51, 1)",
      "toolbar_field": "rgba(47, 51, 51, 1)",
      "toolbar_field_text": "rgba(173, 176, 176, 1)",
      "tab_line": "rgba(47, 51, 51, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac578991-7896-4f09-900e-f31dab400b41}"
    }
  }
}