Examine source code of animatedLightning

{
  "theme": {
    "images": {
      "theme_frame": "liteheader.png"
    },
    "colors": {
      "frame": "#2651d1",
      "tab_background_text": "#dbe827"
    }
  },
  "version": "2.0",
  "name": "animatedLightning",
  "manifest_version": 2,
  "description": "animated Lightning"
}