Html5 DropDownButton
Set the dropDownVerticalAlignmentproperty of the jqxDropDownButton. Author: http://jqwidgets.com
by jqwidgets
HTML
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<script src="https://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<div id='jqxWidget'>
<div style='float: left; margin-top: 400px;' id="dropDownButton">
<div style="border: none;" id='jqxTree'>
<ul>
<li item-selected='true'>Home</li>
<li item-expanded='true'>Solutions
<ul>
<li>Education</li>
<li>Solutions
<ul>
<li>eLearning</li>
<li>Mobile</li>
</ul>
</li>
</ul>
</li>
<li>Products
<ul>
<li>PC products</li>
</ul>
</li>
</ul>
</div>
</div>
JavaScript
$("#dropDownButton").jqxDropDownButton({
width: 250,
height: 30,
theme: 'energyblue',
dropDownVerticalAlignment: 'top'
});
$("#jqxTree").jqxTree({
theme: 'energyblue', width: 200
});
$("#dropDownButton").jqxDropDownButton('setContent', "<span style='height: 30px; line-height: 30px;'>Please Select</span>");