The following code shows how to create Plus and minux button.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-git2.js'></script>
<script type='text/javascript'
src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.1.0/bootstrap.min.js"></script>
<script type='text/javascript'
src="http://eternicode.github.io/bootstrap-datepicker/bootstrap-datepicker/js/bootstrap-datepicker.js"></script>
<style type='text/css'>
@import url('http://getbootstrap.com/dist/css/bootstrap.css');
@import<!-- w w w .j a v a 2s.c o m-->
url('http://eternicode.github.io/bootstrap-datepicker/bootstrap-datepicker/css/datepicker.css')
;
</style>
<script type='text/javascript'>
$(window).load(function(){
$('.input-daterange').datepicker({});
});
</script>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-7">
<div class="panel panel-primary">
<div class="panel-heading clearfix">
<h3 class="panel-title pull-left">Chart panel</h3>
<div class="btn-group btn-group-xs pull-right">
<a href="#" class="btn btn-success"><span
class="glyphicon glyphicon-plus"></span></a>
<a href="#"
class="btn btn-danger"><span
class="glyphicon glyphicon-minus"></span></a>
</div>
<div class="clearfix"></div>
</div>
<div class="panel-body">Panel content</div>
</div>
</div>
</div>
</div>
</body>
</html>