Examine source code of Sybermon Simple Gray

{
  "theme": {
    "images": {
      "theme_frame": "sybermon_persona_header.png"
    },
    "colors": {
      "frame": "#a3a3a3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sybermon Simple Gray",
  "manifest_version": 2,
  "description": "Sybermon simple gray persona\n<a href=\"https://outgoing.prod.mozaws.net/v1/070fd8eebc2f0cda1269a32c00262e4795e39f73f89c5d73d5e80f5a9b8a1934/http%3A//www.sybermon.com\" rel=\"nofollow\">www.sybermon.com</a>"
}