button.tab,
.button.tab
{
  border-radius: 0;
  margin: 0 1rem;
  padding: 0 0 1rem 0;
  width: auto;
  text-transform: none;
  border: 0;
  border-bottom: 2px solid transparent;

  &.active
  {
    border-bottom-color: $black;
  }
}