Examine source code of NicoNico

{
  "theme": {
    "images": {
      "theme_frame": "NicoNyancopia.jpg"
    },
    "colors": {
      "frame": "#d1caca",
      "tab_background_text": "#fcf7f7"
    }
  },
  "version": "2.0",
  "name": "NicoNico",
  "manifest_version": 2,
  "description": "Gero, Fanel &amp; ASK. \nImágenes sacadas de aquí: \n <a href=\"https://outgoing.prod.mozaws.net/v1/6ed89501a7e8df23bdd1829855015d504bb122616abe5d0c439d68f0b1d1f7c3/http%3A//www.smiley2.com/syosai.html\" rel=\"nofollow\">http://www.smiley2.com/syosai.html</a>"
}