Examine source code of Ugly Couch

{
  "theme": {
    "images": {
      "theme_frame": "UglyCouch.jpg"
    },
    "colors": {
      "frame": "#ffff00",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "Ugly Couch",
  "manifest_version": 2,
  "description": "What can I say? This is just a very ugly design, with people who can appreciate ugliness in mind."
}