Examine source code of Maffiasnextkill.nl

{
  "theme": {
    "images": {
      "theme_frame": "maffianextkill17.jpg"
    },
    "colors": {
      "frame": "#e80909",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Maffiasnextkill.nl",
  "manifest_version": 2,
  "description": "Made for <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/38fff8174cd9a5f4a3bbce2cdd48717c274014157dfed86a99bd9783dc60431a/http%3A//Maffiasnextkill.nl\">Maffiasnextkill.nl</a>"
}