Examine source code of Save the rain forests

{
  "theme": {
    "images": {
      "theme_frame": "rainforesttop.jpg"
    },
    "colors": {
      "frame": "#dae6d8",
      "tab_background_text": "#4ac431"
    }
  },
  "version": "2.0",
  "name": "Save the rain forests",
  "manifest_version": 2,
  "description": "Save the rain forests!"
}