<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Navigation API demo: subpage</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <h1>
      <a href="https://github.com/WICG/navigation-api/">Navigation API</a> demo
    </h1>

    <main>
      <p>I am <code>subpage.html</code>!</p>

      <p>
        You can use either your browser back button, or the following link or
       