Examine source code of A nice pink sky.

{
  "theme": {
    "images": {
      "theme_frame": "0529-yawarakamude-pinksky-wak.jpg"
    },
    "colors": {
      "frame": "#d1dbde",
      "tab_background_text": "#faf5f5"
    }
  },
  "version": "2.0",
  "name": "A nice pink sky.",
  "manifest_version": 2,
  "description": ".素敵なピンクの空。 。\n\n\n\n0529-yawarakamude-pinksky-wak●"
}