Examine source code of Clockwork

{
  "theme": {
    "images": {
      "theme_frame": "perosn04.jpg"
    },
    "colors": {
      "frame": "#2b1606",
      "tab_background_text": "#1a0d03"
    }
  },
  "version": "2.0",
  "name": "Clockwork",
  "manifest_version": 2,
  "description": "Clocks"
}