Examine source code of Atari 130XE

{
  "theme": {
    "images": {
      "theme_frame": "130XE-Header-5.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Atari 130XE",
  "manifest_version": 2,
  "description": "An Atari 8-bit classic."
}