Examine source code of Blue Vortex 1

{
  "theme": {
    "images": {
      "theme_frame": "TwistyBlue_header.jpg"
    },
    "colors": {
      "frame": "#ababab",
      "tab_background_text": "#ababab"
    }
  },
  "version": "2.0",
  "name": "Blue Vortex 1",
  "manifest_version": 2,
  "description": "Just another of my custom made graphics..."
}