Examine source code of Peekarat

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#80705b",
      "tab_background_text": "#dbd0d0"
    }
  },
  "version": "2.0",
  "name": "Peekarat",
  "manifest_version": 2,
  "description": "A beautiful baby black berkshire rat watches what you're doing on the interwebs."
}