Examine source code of Demon Skullz

{
  "theme": {
    "images": {
      "theme_frame": "DemonSkullzheadder.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#1100ff"
    }
  },
  "version": "2.0",
  "name": "Demon Skullz",
  "manifest_version": 2,
  "description": "Made this just for fun \nmy  first time \nso dont be saying negative comments about it or me"
}