Examine source code of SHARK-ALARM

{
  "theme": {
    "images": {
      "theme_frame": "Shark4Fox.jpg"
    },
    "colors": {
      "frame": "#130c78",
      "tab_background_text": "#130c78"
    }
  },
  "version": "2.0",
  "name": "SHARK-ALARM",
  "manifest_version": 2,
  "description": "Computer-generated, graphically reduced illustratio of a black-tip shark swimming at water surface and looking out for prey."
}