fonts awesome! v. 4.4
font-awesome (updated to Version 4.4)
HTML
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<ul>
<li><i class="fa fa-fw fa-chevron-down"></i>Item 1</li>
<li><i class="fa fa-fw fa-chevron-left"></i>Item 2</li>
<li>Item 3</li>
</ul>
CSS
li:not(.yes) {
padding-left: 1.28571429em;
}
JavaScript
$('li:has(i)').addClass('yes');