Examine source code of Columbia River Gorge

{
  "theme": {
    "images": {
      "theme_frame": "Columbia_GorgeH1.jpg"
    },
    "colors": {
      "frame": "#00a6ff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Columbia River Gorge",
  "manifest_version": 2,
  "description": "Columbia River Gorge - Washington shore"
}