Examine source code of Amazon Sunrise

{
  "theme": {
    "images": {
      "theme_frame": "amazon_sunrise_hdr.png"
    },
    "colors": {
      "frame": "#969696",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Amazon Sunrise",
  "manifest_version": 2,
  "description": "Mist rising off the Amazon Rainforest in Ecuador.  Picture was taken from the top of a kapok tree at La Selva Lodge on the Rio Napo."
}