Examine source code of SoS Persona

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#8c8c8c",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "SoS Persona",
  "manifest_version": 2,
  "description": "SoS||Save Our Souls gaming clan persona that matches the desktop wallpaper I created.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/ba74c78d4b618d83ccc48c7ee22b0f7f42f1eb583fca5a1853aca651fa845d55/http%3A//www.thesosclan.com\" rel=\"nofollow\">www.thesosclan.com</a>\n\nAll rights reserved, Hawk_AUS a.k.a SoS||Hawky"
}