Examine source code of Quinta Columna

{
  "theme": {
    "images": {
      "theme_frame": "personas.png"
    },
    "colors": {
      "frame": "#f5f2f2",
      "tab_background_text": "#f7efef"
    }
  },
  "version": "2.0",
  "name": "Quinta Columna",
  "manifest_version": 2,
  "description": "Persona from <a href=\"https://outgoing.prod.mozaws.net/v1/641e2a6c59846a339cd5ac204aa6ebd4867527bba4590cf585db9d42d25c788b/http%3A//www.laquintacolumna.com.mx\" rel=\"nofollow\">www.laquintacolumna.com.mx</a>"
}