Examine source code of Pink Wink

{
  "theme": {
    "images": {
      "theme_frame": "pinkheader.jpg"
    },
    "colors": {
      "frame": "#280747",
      "tab_background_text": "#f7f2f7"
    }
  },
  "version": "2.0",
  "name": "Pink Wink",
  "manifest_version": 2,
  "description": "Pink Wink especially for Jo"
}