Examine source code of Brown & Blue Sky

{
  "theme": {
    "images": {
      "theme_frame": "FFOXbnner.png"
    },
    "colors": {
      "frame": "#664027",
      "tab_background_text": "#f0f0f0"
    }
  },
  "version": "2.0",
  "name": "Brown & Blue Sky",
  "manifest_version": 2,
  "description": "A simple design of brown and blue\nDesigned By Erik"
}