.pbSubmit {
  display: block;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  background-color: #6e99c3;
  color: white;
  border: none;
  cursor: pointer;
  text-align: center;
}

.pbSubmit:hover {
  background-color: #5a88b0; /* optional darker shade for hover */
  color: white;
}