.boton-4 {
      display: block;
      width: 100%;
      padding: 10px;
      margin-top: 10px;
      background-color: #6dc234;
      color: #fff;
      text-decoration: none;
      /*border-radius: 5px;*/
      border: none;
      text-align: center;
    
    
    }
    
    .boton-4:hover {
      background-color: #006838;
    }