Examine source code of Murdered Out

{
  "theme": {
    "images": {
      "theme_frame": "firefoxmobtm5copy.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#f7f4f4"
    }
  },
  "version": "2.0",
  "name": "Murdered Out",
  "manifest_version": 2,
  "description": "Murdered Out Original \n\n<a href=\"https://outgoing.prod.mozaws.net/v1/611b6001c555c3d01b9924c83db3d442f3cbdb7bfee75931467fc1e9e7640d9d/http%3A//www.murderedout.net\" rel=\"nofollow\">www.murderedout.net</a>"
}