Examine source code of Cal Bears Online 2

{
  "theme": {
    "images": {
      "theme_frame": "preview_large.jpg"
    },
    "colors": {
      "frame": "#c4bebe",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cal Bears Online 2",
  "manifest_version": 2,
  "description": "Cal Bears Online - <a href=\"https://outgoing.prod.mozaws.net/v1/33069a18bcb8c9f745dfab8e1074d9670799ce52c5c554b0f3661dac74a865d1/http%3A//www.calbearsonline.com\" rel=\"nofollow\">http://www.calbearsonline.com</a>"
}