Examine source code of Up Side Down Boot

{
  "theme": {
    "images": {
      "theme_frame": "appleiiplus001.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Up Side Down Boot",
  "manifest_version": 2,
  "description": "Despite warnings of catastrophic disk failure notched out floppies appear to work just fine after 30 years of occasional use."
}