Examine source code of HostIran

{
  "theme": {
    "images": {
      "theme_frame": "myheader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000066"
    }
  },
  "version": "2.0",
  "name": "HostIran",
  "manifest_version": 2,
  "description": "Design by Hossein Shojaeyan.\nhossein.shojaeyan@gmail.com"
}