$(function() { $('#accordion').hoverAccordion({ activateitem: '1', speed: 'fast' }); $('#accordion').children('li:first').addClass('firstitem'); $('#accordion').children('li:last').addClass('lastitem'); }); <div style="width: 300px; height: 300px; background-color: #FFFFFF; padding: 50px;"> <ul id="accordion"> <li><a href="#">Item 1</a> <ul> <li>Content #1 </li> </ul> </li> </ul> </div>