Examine source code of Vine flowers grow.

{
  "theme": {
    "images": {
      "theme_frame": "910-sky--gurabe--88p-hanaturu-a.jpg"
    },
    "colors": {
      "frame": "#e1f0d8",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Vine flowers grow.",
  "manifest_version": 2,
  "description": "つるの花が育つ。"
}