Examine source code of Egret Sunset

{
  "theme": {
    "images": {
      "theme_frame": "EgretatSunset.jpg"
    },
    "colors": {
      "frame": "#b58159",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Egret Sunset",
  "manifest_version": 2,
  "description": "This \"egret\" is actually a great blue heron in it's white morph...in which they very closely mimic egrets in looks and behavior.  Uncommon (supposedly) to see them outside Florida, this pic was taken in New Jersey in early September.  More at <a href=\"https://outgoing.prod.mozaws.net/v1/29fe3a8b116ebb2bd07c31fca5631b242141878c4056a03ca19ef8764b4de11d/http%3A//www.VoorheesArt.com\" rel=\"nofollow\">www.VoorheesArt.com</a>"
}