Examine source code of superprojets

{
  "theme": {
    "images": {
      "theme_frame": "top4-mozilla-SUPER.jpg"
    },
    "colors": {
      "frame": "#e3e3e3",
      "tab_background_text": "#4f4f4f"
    }
  },
  "version": "2.0",
  "name": "superprojets",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/12c5a68df753ecd297a0877988a25d0c38d0af151630dc1101066cabeb1ebbb5/http%3A//www.superprojets.fr\" rel=\"nofollow\">www.superprojets.fr</a>"
}