Examine source code of UrbanDestroy

{
  "theme": {
    "images": {
      "theme_frame": "Personaurbandestroycabeza.jpg"
    },
    "colors": {
      "frame": "#ede8e8",
      "tab_background_text": "#65c93a"
    }
  },
  "version": "2.0",
  "name": "UrbanDestroy",
  "manifest_version": 2,
  "description": "Persona sobre web <a href=\"https://outgoing.prod.mozaws.net/v1/f11483477a449206eec941672781d665f98dc3abfa64ae4c5c91988933ead06f/http%3A//urbandestroy.com\" rel=\"nofollow\">urbandestroy.com</a>"
}