Examine source code of TorchLight

{
  "theme": {
    "images": {
      "theme_frame": "LightMusic.jpg"
    },
    "colors": {
      "frame": "#faf7f7",
      "tab_background_text": "#a3aed6"
    }
  },
  "version": "2.0",
  "name": "TorchLight",
  "manifest_version": 2,
  "description": "Experiments with led torch light and a long exposure"
}