Examine source code of green tech I

{
  "theme": {
    "images": {
      "theme_frame": "greentechno-header.jpg"
    },
    "colors": {
      "frame": "#0fb000",
      "tab_background_text": "#ffbb00"
    }
  },
  "version": "2.0",
  "name": "green tech I",
  "manifest_version": 2,
  "description": "green tech oriented computer background"
}