:::
15. Aligning the text(對齊)
16. Strong words!(粗體)
<!DOCTYPE html>
<html>
<head>
<title>Viva La Revolution!</title>
</head>
<body>
<p>Do you hear the people <strong>sing</strong>?</p>
<p>No I don't. I'm <strong>too</strong> busy eating cake.</p>
</body>
</html>