Examine source code of web on fire

{
  "theme": {
    "images": {
      "theme_frame": "blitz2.jpg"
    },
    "colors": {
      "frame": "#020036",
      "tab_background_text": "#00ff11"
    }
  },
  "version": "2.0",
  "name": "web on fire",
  "manifest_version": 2,
  "description": "STROM!!!!!"
}