Examine source code of Tartan1

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ededed"
    }
  },
  "version": "2.0",
  "name": "Tartan1",
  "manifest_version": 2,
  "description": "Pirate of Hearts 41060\n\nI met a man in \"Forties Chat\",\nA *Pirate* and his ship.\nI flew to where his country shares her jewels,\nAn awesome trip.\n \n\"Should auld acquaintance be forgot,\nAnd never brought to mind?\"\nShould Hogmanay and whisky hats,\nSweet memories fade in time?\nSooner the sea dry up,\nThe sun no longer shine.\n \nSlainte Mhath my Scottish friend\nand online friends in kind. \nx\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b4363c153a64046775c953e6412cb6d32b12428793271884f74c24ec16edaefb/https%3A//www.youtube.com/watch%3Fv=ZLOglnjC6iY\">https://www.youtube.com/watch?v=ZLOglnjC6iY</a>\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/773c88439fe45f172ea5729dab0233ba4650cf6d1e868818ba023e53aca6e65e/https%3A//www.youtube.com/watch%3Fv=foDgTn2CS-o\">https://www.youtube.com/watch?v=foDgTn2CS-o</a>"
}