<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">
<form class="form-horizontal">
<fieldset>
<legend>Find My iPhone</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="tiImei">IMEI nr</label>
<div class="col-md-4">
<input id="tiImei" name="tiImei" type="text" placeholder="15 cifret IMEI." class="form-control input-md" required="">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="bNulstil"></label>
<div class="col-md-8">
<button id="bNulstil" name="bNulstil" class="btn btn-warning">Nulstil</button>
<button id="bSend" name="bSend" class="btn btn-success">Check</button>
</div>
</div>
</fieldset>
</form>
</div>
</div>