HTML UL width

<ul>
   <li>apple</li>
   <li class="highlight">orange</li>
   <li>pear</li>
</ul>

<ul>
   <li>apple</li>
   <li><span class="highlight">orange</span></li>
   <li>pear</li>
</ul>

<ul>
    <li>apple</li>
    <li><span class="highlight">orange</span></li>
    <li>pear</li>
</ul>

$('li.highlight').wrapInner("<span></span>");

li.highlight span { background-color: #f0f; }