Examine source code of letsplayforum.de 1.1

{
  "theme": {
    "images": {
      "theme_frame": "logo.png"
    },
    "colors": {
      "frame": "#8c0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "letsplayforum.de 1.1",
  "manifest_version": 2,
  "description": "Bekenne dich als Mitglied von <a href=\"https://outgoing.prod.mozaws.net/v1/ef043b8290574d4e1122b1301da76ac54717c549e7ace1a87828a42a8122cf51/http%3A//letsplayforum.de\" rel=\"nofollow\">letsplayforum.de</a> mit diesem Firefox-Persona!"
}