<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row clearfix">
<div class="col-md-12">
<table class="table table-bordered table-hover" id="tab_logic">
<thead>
<tr>
<th class="text-center"> # </th>
<th class="text-center"> Product </th>
<th class="text-center"> Qty </th>
<th class="text-center"> Price </th>
<th class="text-center"> Total </th>
</tr>
</thead>
<tbody>
<tr id='addr0'>
<td>1</td>
<td><input type="text" name='product[]' placeholder='Enter Product Name' class="form-control"/></td>
<td><input type="number" name='qty[]' placeholder='Enter Qty' class="form-control qty" step="0" min="0"/></td>
<td><input type="number" name='price[]' placeholder='Enter Unit Price' class="form-control price" step="0.00" min="0"/></td>
<td><input type="number" name='total[]' placeholder='0.00' class="form-control total" readonly/></td>
</tr>
<tr id='addr1'></tr>
</tbody>
</table>
</div>
</div>
<div class="row clearfix">
<div class="col-md-12">
<button id="add_row" class="btn btn-default pull-left">Add Row</button>
<button id='delete_row' class="pull-right btn btn-default">Delete Row</button>
</div>
</div>