Use tabindex to Specify the Order of Keyboard Focus for Several Elements

Summary

The tabindex attribute specifies the exact tab order of elements by using its value.

Final Code

<body>
  <div tabindex="1" class="overlay"></div>
  <header>
    <h1>Even Deeper Thoughts with Master Camper Cat</h1>
    <nav>
      <ul>
        <li><a href="">Home</a></li>
        <li><a href="">Blog</a></li>
        <li><a href="">Training</a></li>
      </ul>
    </nav>
  </header>
  <form>
    <label for="search">Search:</label>


    <input type="search" name="search" id="search" tabindex="1">
    <input type="submit" name="submit" value="Submit" id="submit" tabindex="2">


  </form>
  <h2>Inspirational Quotes</h2>
  <blockquote>
    <p>&ldquo;There's no Theory of Evolution, just a list of creatures...&rdquo;<br>
    - Chuck Norris</p>
  </blockquote>
  <blockquote>
    <p>&ldquo;Wise men say forgiveness is divine, but never pay full...&rdquo;<br>
    - TMNT</p>
  </blockquote>
  <footer>&copy; 2018 Camper Cat</footer>
</body>
<style>
  body {
    height: 100%;
    margin: 0 !important;
    padding: 8px;
  }
  .overlay {
    margin: -8px;
    position: absolute;
    width: 100%;
    height: 100%;
  }
</style>