Display the emphasized text RSVP on a button.

<html>
<body>
<h3>You're Invited</h3>
<p>We're getting married and it's going to be a ball!</p>
<button><em>RSVP</em></button>
</body>
</html>]]>

Make sure to pick <button> followed by <em> and then RSVP, </em>, </button>.