.problem-link {
  color: #0d6efd;
  text-decoration: none;
  border-bottom: 1px dotted #0d6efd;
}

.problem-link:hover {
  color: #0a58ca;
  border-bottom-style: solid;
}

.problem-link.warning {
  color: #dc3545;
  border-bottom-color: #dc3545;
}