Examine source code of nature summer beach

{
  "theme": {
    "images": {
      "theme_frame": "naturesummer.jpg"
    },
    "colors": {
      "frame": "#3b4517",
      "tab_background_text": "#3b4517"
    }
  },
  "version": "2.0",
  "name": "nature summer beach",
  "manifest_version": 2,
  "description": "nature summer scene  romantic beach horses"
}