Examine source code of C.E. Draco's Castle

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#262222",
      "tab_background_text": "#f7efef"
    }
  },
  "version": "2.0",
  "name": "C.E. Draco's Castle",
  "manifest_version": 2,
  "description": "Created by Creative Expressions Art. Copyright Aug. 2013."
}