HyperText Markup Language (HTML)

<p>Hello, World!</p>            
<!DOCTYPE html>
<html>
  <head>
    <title>Complete Page Example</title>
  </head>
  <body>
    <!--this is a comment-->
    <h1>Greetings</h1>
    <p>Hello <span style="color: red;">John</span>, 
      nice to meet you!</p>
  </body>
</html>            
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Greetings</title>
</head>
<body>
  <section>
      <ul>
        <li class="beatles" id="john">
          Hi John, play the guitar for me!</li>
        <li class="beatles" id="paul">
          Hi Paul, play the bass for me!</li>
        <li class="beatles" id="ringo">
          Hi Ringo, play the drums for me!</li>
        <li class="beatles" id="george">
          Hi George, play the guitar for me!</li>
      </ul>
  </section>
</body>
</html>            
TODO