Examine source code of Heart for Fall

{
  "theme": {
    "images": {
      "theme_frame": "HeartofAutumnHCustom.jpg"
    },
    "colors": {
      "frame": "#f0dcc8",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Heart for Fall",
  "manifest_version": 2,
  "description": "butterfly, fall, autumn, summer, flowers, leaves, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/f7429a11a56b33439bfcb364c60381adaed6047af89a5a8db6dc37f98647f6d4/http%3A//nature.desktopnexus.com/wallpaper/814774/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/814774/</a>"
}