Examine source code of Leaves relaxed

{
  "theme": {
    "images": {
      "theme_frame": "0525-nibiyakana-kinoha.jpg"
    },
    "colors": {
      "frame": "#c1ebe5",
      "tab_background_text": "#f2d694"
    }
  },
  "version": "2.0",
  "name": "Leaves relaxed",
  "manifest_version": 2,
  "description": "のびやかな木の葉。。\n\n\n\n0525-nibiyakana-kinoha●"
}