Examine source code of Green Icing

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#405500",
      "tab_background_text": "#bbea02"
    }
  },
  "version": "2.0",
  "name": "Green Icing",
  "manifest_version": 2,
  "description": "A Green Background repeated from The Pattern Library <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/889f2608ece1e96b7e0bf5918ab2ca5e76a2260020ed5d9f08974e7a6c60d8ac/http%3A//thepatternlibrary.com/%23green-goblin\">http://thepatternlibrary.com/#green-goblin</a>"
}