Examine source code of Phoenix Alternative

{
  "theme": {
    "images": {
      "theme_frame": "p5x-header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#737373"
    }
  },
  "version": "2.0",
  "name": "Phoenix Alternative",
  "manifest_version": 2,
  "description": "We are a web/mobile development firm based in Tehran . and you might be interested in what we do, because it involves Persian creativity."
}