Examine source code of gold vector music notes

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fcf7e5"
    }
  },
  "version": "2.0",
  "name": "gold vector music notes",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/fa7aba2a5f3788d67db2bd1bf911e83513a6cedad7d2d414efc267e8e270e19c/https%3A//www.youtube.com/watch%3Fv=1RW3nDRmu6k\">https://www.youtube.com/watch?v=1RW3nDRmu6k</a>"
}