Examine source code of Natural Wonder

{
  "theme": {
    "images": {
      "theme_frame": "nature_wood_header.jpg"
    },
    "colors": {
      "frame": "#c0c0c0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Natural Wonder",
  "manifest_version": 2,
  "description": "A persona for naturists with a combination of wood and earth."
}