Examine source code of Eagle Mountain

{
  "theme": {
    "images": {
      "theme_frame": "EagleMountain.jpg"
    },
    "colors": {
      "frame": "#1fc3cf",
      "tab_background_text": "#f7f4f4"
    }
  },
  "version": "2.0",
  "name": "Eagle Mountain",
  "manifest_version": 2,
  "description": "An eagle flying over the mountains, computer generated with the \"Bryce\" ray-tracing program.\nSee more illustrations and animations from PeakPixels on our YouTube channel."
}