Examine source code of Fall Aspen Trees

{
  "theme": {
    "images": {
      "theme_frame": "AspenTrees6Header.jpg"
    },
    "colors": {
      "frame": "#4f4100",
      "tab_background_text": "#fff97d"
    }
  },
  "version": "2.0",
  "name": "Fall Aspen Trees",
  "manifest_version": 2,
  "description": "Great Basin National Park - Nevada"
}