<div id="checkauthor">
	<div class="row mb-3">
  		<label for="inputfirstauthor" class="col-2 col-form-label">HauptautorIn</label>
		<div class="col-3">
			<input  id="firstauthor1" type="text" class="form-control" required placeholder="HauptautorIn bitte in der Form 'Nachname, Vorname' erfassen" aria-label="firstauthor1" aria-describedby="button-firstauthor1">
    		</div>
	</div>
</div>
