Examine source code of Endless Range

{
  "theme": {
    "images": {
      "theme_frame": "Headercopy.jpg"
    },
    "colors": {
      "frame": "#7a7a7a",
      "tab_background_text": "#ff5900"
    }
  },
  "version": "2.0",
  "name": "Endless Range",
  "manifest_version": 2,
  "description": "Instead of surfing the web, why not hike your way through it, and these mountains alike!"
}