Examine source code of NerdyPool

{
  "theme": {
    "images": {
      "theme_frame": "persona_top.jpg"
    },
    "colors": {
      "frame": "#d68f15",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "NerdyPool",
  "manifest_version": 2,
  "description": "design i made for <a href=\"https://outgoing.prod.mozaws.net/v1/f834d6990f4a647ea1e168a41f600529061bdae232327e5ef07882485b64579f/http%3A//NerdyPool.com\" rel=\"nofollow\">NerdyPool.com</a>"
}