Examine source code of maxximer.de

{
  "theme": {
    "images": {
      "theme_frame": "Firefox-Header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "maxximer.de",
  "manifest_version": 2,
  "description": "double xx is <a href=\"https://outgoing.prod.mozaws.net/v1/65676dbc3401aa829ea8061a7de19e1f09aa32149b9746de44025605a68c3ff4/http%3A//maxximer.de\" rel=\"nofollow\">maxximer.de</a> is natural cosmetics from germany"
}