Examine source code of sin-city-scene

{
  "theme": {
    "images": {
      "theme_frame": "sin-city-hd.jpg"
    },
    "colors": {
      "frame": "#74bda8",
      "tab_background_text": "#0df738"
    }
  },
  "version": "2.0",
  "name": "sin-city-scene",
  "manifest_version": 2,
  "description": "some scenes of sin city"
}