Examine source code of Great the stage.01

{
  "theme": {
    "images": {
      "theme_frame": "a-714--idinaru-stage--2109-asy.jpg"
    },
    "colors": {
      "frame": "#ecf2c9",
      "tab_background_text": "#050000"
    }
  },
  "version": "2.0",
  "name": "Great the stage.01",
  "manifest_version": 2,
  "description": "偉大なるステージ。０１"
}