I found a bug ,When use in element position:relative

[Pakinwet]

When I add style element position:relative to option editor is falling down
this my code

<link href="http://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="/css/jquery.notebook.css">

<div class="page-wrap" style="position:relative">//add style position:relative
<div class="my-editor">Your text here...</div>
</div>

<script type="text/javascript" src="/js/jquery/jquery.min.js"></script>
<script type="text/javascript" src="/js/notebook/jquery.notebook.js"></script>
<script>
$(document).ready(function(){
    $('.my-editor').notebook();
});
</script>

[jfdconsultants]

I have the same issue, is there a workaround?