Examine source code of Nano 2010

{
  "theme": {
    "images": {
      "theme_frame": "MozillaNano.jpg"
    },
    "colors": {
      "frame": "#fa6305",
      "tab_background_text": "#fbff00"
    }
  },
  "version": "2.0",
  "name": "Nano 2010",
  "manifest_version": 2,
  "description": "Forget about procrastinating this November by making your browser of choice an angry guilt monster with your number.\n\nWrite a novel in 30 days, 50,000 words... is on the bottom \n\nand on the top: Nanowrimo 2010 \"All important things were done by tired people) along with a yellow and black version of the nano logo.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/5faa84fbb0ccc7a118d80f575ab525dffcbb97e7b3996d975e9d1d81a2c0b41c/http%3A//nanowrimio.org/\" rel=\"nofollow\">http://nanowrimio.org/</a>"
}