Examine source code of Cinderellas_Castle

{
  "theme": {
    "images": {
      "theme_frame": "Untitled_image.jpg"
    },
    "colors": {
      "frame": "#090652",
      "tab_background_text": "#eaf2f7"
    }
  },
  "version": "2.0",
  "name": "Cinderellas_Castle",
  "manifest_version": 2
}