Examine source code of Great Egret

{
  "theme": {
    "images": {
      "theme_frame": "great_egret2.jpg"
    },
    "colors": {
      "frame": "#b3b5b5",
      "tab_background_text": "#747575"
    }
  },
  "version": "2.0",
  "name": "Great Egret",
  "manifest_version": 2,
  "description": "A Great Egret flies over Colusa National Wildlife Refuge in Sacramento County, CA. Photo taken December 20, 2009."
}