Examine source code of Outline energy.

{
  "theme": {
    "images": {
      "theme_frame": "1128--oowakumoz.jpg"
    },
    "colors": {
      "frame": "#faf5f5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Outline energy.",
  "manifest_version": 2,
  "description": "アウトラインのエネルギー。\n\n\n\n\n1128--oowakumoz"
}