Examine source code of Chipmunk Snack

{
  "theme": {
    "images": {
      "theme_frame": "chipmunkeatingH.jpg"
    },
    "colors": {
      "frame": "#6699ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Chipmunk Snack",
  "manifest_version": 2,
  "description": "Photo I took of a chipmunk on my husbands lap eating chunk of a granola bar. rodent, cute, leaves, jeans, blue, squirrel, nature, Pacific Northwest"
}