Examine source code of Distant sky. .

{
  "theme": {
    "images": {
      "theme_frame": "0304--gravs4-sy.jpg"
    },
    "colors": {
      "frame": "#f2eaea",
      "tab_background_text": "#fab6f1"
    }
  },
  "version": "2.0",
  "name": "Distant sky. .",
  "manifest_version": 2,
  "description": "空遠く。。Distant sky. .\n\n\n\n0304--gravs4-sy-●"
}