<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Erfassung der Arbeitsplatzbereiche</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="usr_name">Name</label>
<div class="col-md-6">
<input id="usr_name" name="usr_name" placeholder="" class="form-control input-md" required="" type="text">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="usr_section">Abteilung</label>
<div class="col-md-6">
<input id="usr_section" name="usr_section" placeholder="" class="form-control input-md" required="" type="text">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="usr_sector">Bereich</label>
<div class="col-md-6">
<input id="usr_sector" name="usr_sector" placeholder="" class="form-control input-md" required="" type="text">
</div>
</div>