Examine source code of Cyn (murder drones)

{
  "name": "Cyn",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "cropped ver.gif"
    },
    "colors": {
      "frame": "rgba(43, 18, 21, 1)",
      "tab_background_text": "rgba(252, 227, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(255, 213, 0, 1)",
      "toolbar_field": "rgba(20, 20, 20, 1)",
      "toolbar_field_text": "rgba(255, 230, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c7adceca-2671-4c41-9a19-53360fa1b866}"
    }
  }
}