Examine source code of Peaceful place.

{
  "theme": {
    "images": {
      "theme_frame": "h1006-s-l-gakkotekote.jpg"
    },
    "colors": {
      "frame": "#e8e6ba",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Peaceful place.",
  "manifest_version": 2,
  "description": "h1006-s-l-gakkotekote"
}