Examine source code of Only fog. .01

{
  "theme": {
    "images": {
      "theme_frame": "0108-kirinomashu-o-sy.jpg"
    },
    "colors": {
      "frame": "#f7dede",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Only fog. .01",
  "manifest_version": 2,
  "description": "霧のみ。。Only fog. .\n\n\n\n\n0108-kirinomashu-o-sy"
}