Examine source code of The delicate white. .

{
  "theme": {
    "images": {
      "theme_frame": "821--green-granuri--0.jpg"
    },
    "colors": {
      "frame": "#e1f2f1",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The delicate white. .",
  "manifest_version": 2,
  "description": "。。ほのかに白く。。\n\n\n\n\n\n\n\n\n821--green-granuri--0"
}