Test Case Boilerplate

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HTML

<script src="http://code.jquery.com/ui/jquery-ui-git.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/jquery-ui-git.css">
<ul id="sortable">
    <li class="ui-state-default" style="height: 100px; ">Item 1</li>
    <li class="ui-state-default">Item 2</li>
</ul>

CSS

#sortable { list-style-type: none; margin: 0; padding: 0; width: 60%; }
    #sortable li { margin: 0 5px 5px 5px; padding: 5px; font-size: 1.2em; height: 1.5em; }
    html>body #sortable li { height: 1.5em; line-height: 1.2em; }
    .ui-state-highlight { height: 1.5em; line-height: 1.2em; }

JavaScript

$( "#sortable" ).sortable({
            placeholder: "ui-state-highlight"
        });