Examine source code of AppStorm

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#999999",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "AppStorm",
  "manifest_version": 2,
  "description": "Fun, abstract, blue &amp; purple persona. Inspired via an <a href=\"https://outgoing.prod.mozaws.net/v1/fd50a8410f88071996796748651e680250984637d2a7f8335d76d6843a6746b9/http%3A//AppStorm.net\" rel=\"nofollow\">AppStorm.net</a> desktop picture."
}