Examine source code of Currency firefox

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Currency firefox",
  "manifest_version": 2,
  "description": "This is the firefox <a rel='\\\"external\\\" nofollow' href=\"https://outgoing.prod.mozaws.net/v1/1e76e0018e8c3c0db6a199d391d6e8d598481ef5751b0822c7578ba56f5c4fd4/https%3A//www.currencyliquidator.com/blog/category/iranian-rial/\">Iranian Rial</a> Theme for the currency lovers.\n\nI hope you all love it."
}