Examine source code of Foamy The Squirrel

{
  "theme": {
    "images": {
      "theme_frame": "FOAMY_FIREFOX_HEADER.jpg"
    },
    "colors": {
      "frame": "#deb03c",
      "tab_background_text": "#f2f17a"
    }
  },
  "version": "2.0",
  "name": "Foamy The Squirrel",
  "manifest_version": 2,
  "description": "Foamy's greatness now infects your FireFox. Enjoy his squirrelly goodness.\n<a href=\"https://outgoing.prod.mozaws.net/v1/65731fadefe3d179379a2f491009052357d47fb21b8202763ce3acf284478cb9/http%3A//illwillpress.com\" rel=\"nofollow\">illwillpress.com</a>"
}