Examine source code of Fire Red Fox for FireFox

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxatFireFoxIspravkacopy.jpg"
    },
    "colors": {
      "frame": "#fcbf08",
      "tab_background_text": "#fcb103"
    }
  },
  "version": "2.0",
  "name": "Fire Red Fox for FireFox",
  "manifest_version": 2,
  "description": "The Red Fox (Vulpes vulpes) is the largest of the true foxes. The winter fur is dense, soft, silky and relatively long. In northern foxes, the fur is very long, dense and fluffy, but is shorter, sparser and coarser in southern <a href=\"https://outgoing.prod.mozaws.net/v1/404cad2baea753eff076fc1d086f9036469226a25ca0775045824a0d9bc4ea39/http%3A//forms.In\" rel=\"nofollow\">forms.In</a> the typical red morph, their coats are generally bright reddish-rusty with yellowish tints."
}