Examine source code of Apple01

{
  "theme": {
    "images": {
      "theme_frame": "apple.jpg"
    },
    "colors": {
      "frame": "#446960",
      "tab_background_text": "#53615d"
    }
  },
  "version": "2.0",
  "name": "Apple01",
  "manifest_version": 2,
  "description": "C'est joli, hein ? ^^"
}