How do you increase the line height of a paragraph in HTML?

This is how you do in HTML

<div style="width:400px; line-height:30px;padding: 5px; border: 1px solid #CCC;">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras varius imperdiet nunc. Donec eu nibh a odio sodales viverra et non purus.</div>

If you are looking to do in CSS, check the related link.