<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<br><br><div class="container">
<div class="row">
<div class="col-lg-2">
<div class="input-group">
<span class="input-group-btn">
<button class="btn btn-default" type="button" id="btn-plus"><span class="glyphicon glyphicon-minus"></span></button>
</span>
<input type="text" class="form-control" name="qty" id="qty" value="1">
<span class="input-group-btn">
<button class="btn btn-default" type="button" id="btn-minus"><span class="glyphicon glyphicon-plus"></span></button>
</span>
</div>
</div>
</div>
</div>
