.separator {
  display: flex;
  align-items: center;
  text-align: center;
  color: #999;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.separator::before,
.separator::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid #ddd;
}

.separator:not(:empty)::before {
  margin-right: .75em;
}

.separator:not(:empty)::after {
  margin-left: .75em;
}