index.html

<!-- index.html -->

<nav class="navbar navbar-dark bg-dark" role="navigation">
  <div class="container">
    <a class="navbar-brand" href="/">Personal Site</a>
    
    <ul class="navbar-nav">
      <li class="nav-item active">
        <a class="nav-link" href="/">Home</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="/portfolio">Portfolio</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="/blog">Blog</a>
      </li>
    </ul>
  </div>
</nav>