#form-message {
    text-align: center;
    margin: 20px 0;
    font-size: 18px;
    font-weight: bold;
  }

  #form-message.success {
    color: green;
  }
  
  #form-message.error {
    color: red;
  }

  sup.small-grey {
    font-size: 0.6em;
    color: #777;
  }