<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">
<form name="form-test" action="" method="get" >
<div class="row">
<div class="col-xs-6 form-group">
<label for="name">
Name
</label>
<input type="text" id="name" name="name" class="form-control">
</div>
<div class="col-xs-6 form-group">
<label for="surname">
Nachname
</label>
<input type="text" id="surname" name="surname" class="form-control">
</div>
</div>
<div class="row">
<div class="col-xs-9 form-group has-warning">
<label for="street">
Straße
</label>
<input type="text" id="street" name="street" class="form-control">
</div>
<div class="col-xs-3 form-group">
<label for="number">
Nr.
</label>
<input type="number" id="number" name="number" class="form-control">
</div>
</div>
<div class="row">
<div class="col-xs-3 form-group">
