The following code shows how to create panel with default style.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src="maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<style type='text/css'>
@import url('http://getbootstrap.com/dist/css/bootstrap.css');
<!--from w w w . j ava2 s. c om-->
ol li.list-group-item {
list-style: decimal inside;
display: list-item;
}
</style>
</head>
<body>
<div class="container">
<div class="panel panel-default">
<div class="panel-heading">Test</div>
<ol class="list-group">
<li class="list-group-item">Item 1</li>
<li class="list-group-item">Item 2</li>
</ol>
</div>
<div class="panel panel-default">
<div class="panel-heading">Unordered Test</div>
<ul class="list-group">
<li class="list-group-item">Item</li>
<li class="list-group-item">Another Item</li>
</ul>
</div>
</div>
</body>
</html>