Examine source code of GraphitePattern

{
  "theme": {
    "images": {
      "theme_frame": "headergraphite.jpg"
    },
    "colors": {
      "frame": "#6e940d",
      "tab_background_text": "#edea37"
    }
  },
  "version": "2.0",
  "name": "GraphitePattern",
  "manifest_version": 2,
  "description": "Graphite, red, gold and patterns\n"
}