Examine source code of Bee and Bloom

{
  "theme": {
    "images": {
      "theme_frame": "beeandbloomheader.jpg"
    },
    "colors": {
      "frame": "#1e590e",
      "tab_background_text": "#f3fc77"
    }
  },
  "version": "2.0",
  "name": "Bee and Bloom",
  "manifest_version": 2,
  "description": "A picture I took of a blooming tree in Idaho in the springtime.  Somehow I managed to photograph the bee.\n\nPicture taken by Whistlebird ^_^"
}