<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document Structure</title>

</head>
<body>
  <!-- Every HTML document has: <!DOCTYPE>, <html>, <head>, <body> -->
  <header><h1>Site Title</h1></header>
  <main>
    <p>The <code>&lt;body&gt;</code> holds the visible content.</p>
  </main>
  <footer><small>&copy; 2026</small></footer>
</body>
</html>