Examine source code of flashpro

{
  "theme": {
    "images": {
      "theme_frame": "head.jpg"
    },
    "colors": {
      "frame": "#bababa",
      "tab_background_text": "#080808"
    }
  },
  "version": "2.0",
  "name": "flashpro",
  "manifest_version": 2,
  "description": "4 <a href=\"https://outgoing.prod.mozaws.net/v1/124cef2e5d84a82a6b06dc7f4dbdc8a45c5398306c45f8f69a4c31d3d36037ea/http%3A//flashpro.ir\" rel=\"nofollow\">flashpro.ir</a>"
}