Examine source code of Great Lakes Sunset

{
  "theme": {
    "images": {
      "theme_frame": "SunsetontheLakeEdit2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Great Lakes Sunset",
  "manifest_version": 2,
  "description": "This is actually a picture of Lake Michigan at Sunset, but its pretty much an ocean of fresh water. Sunsets on Lake Michigan are one of the most beautiful sunsets anyone can experience"
}