Examine source code of Tinyportal

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#f08b18"
    }
  },
  "version": "2.0",
  "name": "Tinyportal",
  "manifest_version": 2,
  "description": "TinyPortal - or TP for short - is a portal extension for SMF.\n\nNow you can take TP where ever you go"
}