Examine source code of plague doctor theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a0000",
      "tab_background_text": "#7a0505"
    }
  },
  "version": "2.0",
  "name": "plague doctor theme",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/ffb57f3e7d04df0c881896512f07ff697510a71d6d4e70beed423eacfca6418e/http%3A//img01.deviantart.net/2528/i/2012/334/e/5/plague_doctor_by_simplefox666-d5mm37c.jpg\">http://img01.deviantart.net/2528/i/2012/334/e/5/plague_doctor_by_simplefox666-d5mm37c.jpg</a>"
}