<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">
<div class="col-xs-8 col-xs-offset-2">
<div class="input-group">
<input type="text" class="form-control" name="x" placeholder="Search term...">
<span class="input-group-btn">
<button class="btn btn-default" type="button">search</button>
</span>
</div>
</div>
</div>
</div>
