Examine source code of FabiS Design 1680

{
  "theme": {
    "images": {
      "theme_frame": "oben2500.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "FabiS Design 1680",
  "manifest_version": 2,
  "description": "Personal work for non comercial use...\nscreen resoulution 1680*1024"
}