The following code shows how to mark Text with Emphasis Classes.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap-theme.min.css">
<script type="text/javascript"
src="http://code.jquery.com/jquery.min.js"></script>
<script
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<style type="text/css">
.bs-example {<!--from w w w . ja v a 2 s.co m-->
margin: 20px;
}
</style>
</head>
<body>
<div class="bs-example">
<p class="text-muted">Muted: This text is grayed out.</p>
<p class="text-primary">Important: Please read the instructions
carefully before proceed.</p>
<p class="text-success">Success: Your message has been sent
successfully.</p>
<p class="text-info">Note: You must agree with the terms and
conditions to complete the sign up process.</p>
<p class="text-warning">Warning: There was a problem with your
network connection.</p>
<p class="text-danger">Error: An error has been occurred while
submitting your data.</p>
</div>
</body>
</html>