#bittewarten {
     
      display:none;

      position:absolute;
      left:33%;
      right:33%;
      top:30%;
      margin:auto;
      padding:2ex;
      width:30%;
      
      z-index:100;
      
      border:2px solid #000;
      font-family:verdana,arial,helvetica;
      text-align:center;
      font-weight:bold;
      font-size:120%;
      background-color:#fff;
      color:#d00;
     }