JSFiddle - React, Tailwind, and code Playground
by mridulpv
HTML
<link rel="stylesheet" href="http://getbootstrap.com/dist/css/bootstrap.css">
<script src="http://getbootstrap.com/dist/js/bootstrap.min.js"></script>
<div class="panel-group" id="category">
<div class="panel panel-default">
<div class="panel-heading" id="panel-category">
<h4 class="panel-title">
<a class="accordion-toggle nounderlinewhite" data-toggle="collapse" data-parent="#category" href="#category-new">
Categories<i class="glyphicon glyphicon-chevron-down pull-right" style="padding-right:5%;"></i>
</a>
</h4>
</div>
<div id="category-new" class="panel-collapse collapse in">
<div class="panel-body" style="margin-left:15px;">
<div id="subcategory">
<div id="realsestate">
<a class="accordion-toggle" id="nounderline" data-toggle="collapse" data-parent="#allcategory" href="#realsestatelist">
  Realestate
</a>
<div id="realsestatelist" class="panel-collapse collapse">
<a id="nounderline">
<p>    l1</p>
<p>    l2</p>
<p>    l3</p>
<p>    l4</p>
<p>    l5</p>
<p>    l6</p>
</a>
</div>
</div>
</div>
</div><!--panel body-->
</div>
</div>
</div>
CSS
#nounderline{
text-decoration:none;
}