Examine source code of TamCocarPORTAL2

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#627ed1",
      "tab_background_text": "#91e7ff"
    }
  },
  "version": "2.0",
  "name": "TamCocarPORTAL2",
  "manifest_version": 2,
  "description": "A portal of light to the world from under the sea"
}