Examine source code of Xeeldy

{
  "theme": {
    "images": {
      "theme_frame": "persona_top.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Xeeldy",
  "manifest_version": 2,
  "description": "Persona officiel du site <a href=\"https://outgoing.prod.mozaws.net/v1/a2349d353f57233f0b44deb1069750b80786ef10c2ed326b87eba929f1d17f8e/http%3A//Xeeldy.com\" rel=\"nofollow\">Xeeldy.com</a>"
}