<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Form Name</legend>
<div class="control-group">
<label class="control-label" for="contractor">Contractor</label>
<div class="controls">
<input id="contractor" name="contractor" placeholder="" class="input-xlarge" type="text">
</div>
</div>
<div class="control-group">
<label class="control-label" for="p_name">P Name</label>
<div class="controls">
<input id="p_name" name="p_name" placeholder="" class="input-xlarge" type="text">
</div>
</div>
<div class="control-group">
<label class="control-label" for="p_no">P No</label>
<div class="controls">
<input id="p_no" name="p_no" placeholder="" class="input-xlarge" type="text">
</div>
</div>