Examine source code of SPAWN.com

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#666666",
      "tab_background_text": "#666666"
    }
  },
  "version": "2.0",
  "name": "SPAWN.com",
  "manifest_version": 2,
  "description": "This is inspired and based off from Spawn.com.\n\nEnjoy!\n\n[This is an unofficial fan persona.]"
}