Examine source code of Freebox V6 gris

{
  "theme": {
    "images": {
      "theme_frame": "brut7.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Freebox V6 gris",
  "manifest_version": 2,
  "description": "Habillage aux couleurs de la Freebox révolution V6 réalisé par <a href=\"https://outgoing.prod.mozaws.net/v1/5feda7380ce8e7dda15edda99657c5ab8bdb3cfb066b30ff732c8340ecbbdf1d/http%3A//Freenews.fr\" rel=\"nofollow\">Freenews.fr</a>"
}