Examine source code of Decorus Letum

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#949494",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Decorus Letum",
  "manifest_version": 2,
  "description": "This is an experiment made from a clip of the work of art, Decorus Letum, which can be viewed on my art website <a href=\"https://outgoing.prod.mozaws.net/v1/d4e0bccd85c827a8f39da22f8b0d11db3f632072e958121fdafb5da989cc5bc0/http%3A//galindorf.com\" rel=\"nofollow\">galindorf.com</a>  :)"
}