Examine source code of l_croft

{
  "theme": {
    "images": {
      "theme_frame": "nmheader.jpg"
    },
    "colors": {
      "frame": "#907234",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "l_croft",
  "manifest_version": 2,
  "description": "Take off on New Moon design"
}