Examine source code of White Barn

{
  "theme": {
    "images": {
      "theme_frame": "white-barn-hdr.jpg"
    },
    "colors": {
      "frame": "#6b6363",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "White Barn",
  "manifest_version": 2,
  "description": "A white barn, labelled 'White Barn' :P"
}