.b-example-divider {
  height: 3rem;
  background-color: rgba(0, 0, 0, 0.1);
  border: solid rgba(0, 0, 0, 0.15);
  border-width: 1px 0;
  box-shadow: inset 0 0.5em 1.5em rgba(0, 0, 0, 0.1),
    inset 0 0.125em 0.5em rgba(0, 0, 0, 0.15);
}

@media (min-width: 992px) {
  .rounded-lg-3 {
    border-radius: 0.3rem;
  }
}