Examine source code of Red Turtle

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e8e8e8",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Red Turtle",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/d4fee94568082e2f77f0913a4f0219ffc0a2abb4516e782f35d19b0eb391f2a0/http%3A//www.redturtle.in\">www.redturtle.in</a>"
}