Examine source code of e-conomic New Gui

{
  "theme": {
    "images": {
      "theme_frame": "top.jpg"
    },
    "colors": {
      "frame": "#99ccff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "e-conomic New Gui",
  "manifest_version": 2,
  "description": "E-conomic: adaptable, secure, online accounting. A system that grows with your business. Constant development and upgrading, no extra cost. Accessible wherever and whenever you are!"
}