Examine source code of Mickey Mouse2

{
  "theme": {
    "images": {
      "theme_frame": "1mickeyheader.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mickey Mouse2",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e427006037669c5cb612c7c96b25695a964f1213008459979d570aef7c131b67/http%3A//www.youtube.com/watch%3Fv=QNK5KzI48mM\">http://www.youtube.com/watch?v=QNK5KzI48mM</a>\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e139f01390d912b16a466755d64b8695bb1bc5496fa9af87f37d1aba71c37002/http%3A//www.youtube.com/watch%3Fv=x4C_lUy58Rw&amp;list=RDf5ZOcIc_pKk\">http://www.youtube.com/watch?v=x4C_lUy58Rw&amp;list=RDf5ZOcIc_pKk</a>"
}