<div class="page-section page-section--grey">
  <div class="grid justify-content-center">
     <div class="col-desk-12">
       <div class="input-group has-float-label">
         <input type="email" class="form-control" placeholder="&nbsp;" id="newsletter" aria-label="Email Adresse" aria-describedby="button-addon2">
         <label class="form-control-placeholder" for="newsletter">Email Adresse</label>
        <div class="input-group-append">
        <button class="btn btn-dark btn-lg" type="button" id="button-addon2"><span>Anmelden</span></button>
       </div>
      </div>
     </div>
   </div>
</div>