Examine source code of tropical vacation

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "tropical vacation",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/8a8a5a4b0613b4e028e9dc8dc701485d2b659b03c20ca7b71bf04dd236c54c7e/https%3A//www.youtube.com/watch%3Fv=GF6Cc16K8eg\">https://www.youtube.com/watch?v=GF6Cc16K8eg</a>\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e7392c5666e224a1628a88d5402bf74d2ad3a4d85e58c8594cbb65450c2936ab/https%3A//www.youtube.com/results%3Fsearch_query=jimmy%2Bbuffett%2Bsongs\">https://www.youtube.com/results?search_query=jimmy+buffett+songs</a>"
}