Examine source code of Escuadron 69 vm

{
  "theme": {
    "images": {
      "theme_frame": "firefox_persona_e69_mar.png"
    },
    "colors": {
      "frame": "#bdbdbd",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Escuadron 69 vm",
  "manifest_version": 2,
  "description": "Version para Marcadores. Grupo de vuelo virtual Escuadron 69 <a href=\"https://outgoing.prod.mozaws.net/v1/91ab8941f0d99a659aa1a4c329663858248e3230daa8eef05d84508a770177f2/http%3A//www.escuadron69.net\" rel=\"nofollow\">www.escuadron69.net</a>"
}