Examine source code of Firewatch-Desktop-1.0

{
  "name": "Firewatch-Desktop",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Firewatch.png"
    },
    "colors": {
      "frame": "rgba(75, 152, 220, 1)",
      "tab_background_text": "rgba(255, 231, 0, 1)",
      "toolbar": "rgba(49, 3, 65, 1)",
      "bookmark_text": "rgba(11, 76, 142, 1)",
      "toolbar_field": "rgba(36, 11, 69, 1)",
      "toolbar_field_text": "rgba(255, 231, 0, 1)",
      "tab_line": "rgba(124, 221, 253, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d86da1c6-144a-4d75-b39f-a7e5d8c3ccb3}"
    }
  }
}