Examine source code of Stormbringer 2

{
  "theme": {
    "images": {
      "theme_frame": "header1.png"
    },
    "colors": {
      "frame": "#c210e6",
      "tab_background_text": "#120bde"
    }
  },
  "version": "2.0",
  "name": "Stormbringer 2",
  "manifest_version": 2,
  "description": "Evil eyes in the distance brewing up tidal waves and lightning"
}