Examine source code of Autumn garden

{
  "theme": {
    "images": {
      "theme_frame": "autumngardenheader2.jpg"
    },
    "colors": {
      "frame": "#cccccc",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Autumn garden",
  "manifest_version": 2,
  "description": "A soft garden flower pattern, not too complex or distracting. For those who prefer simplicity and a fresh feel for their browser."
}