<p>Tight List:</p> <ul> <li> <h1>Header1</h1> Line 1-2 - <strong>not</strong> a header <em>or</em> paragraph!</li> <li> <h1>Header2</h1> Line 2-2 - not a header or paragraph!</li> </ul> <p>Loose List:</p> <ul> <li> <h1>Header1</h1> <p>Line 1-2 - <em>a</em> paragraph</p> </li> <li> <h1>Header2</h1> <p>Line 2-2 - a paragraph</p> </li> </ul>