.alertBootstrap {
    position: relative;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    opacity: 1;
    transition: opacity 0.15s linear;
    width: 80rem;      
  }
  /* Variante warning */
  .alert-warning {
    color: #664d03;
    background-color: #fff3cd;
    border-color: #ffecb5;
    outline: 2px solid #664d03;      
  }
  /* Variante success */
  .alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
    outline: 2px solid #0f5132;
  }

  .alert-danger {
      color: #842029;
      background-color: #f8d7da;
      border-color: #f5c2c7;
      outline: 2px solid #842029;
  }
  /* Classe per rendere l'alert chiudibile */
  .alert-dismissible {
    padding-right: 3rem;
  }
  /* Bottone chiudi, ispirato a .btn-close di Bootstrap */
  .btn-closeBootstrap {
    position: absolute;
    top: 0;
    right: 0;
    padding: 1rem;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
  }