[dir=ltr] .tabs__link.is-active:after {
  border-left: 6px solid #000 !important;
}

[dir=ltr] .tabs__link.is-active:after {
  border-left: 6px solid #000 !important;
}

[dir=rtl] .tabs__link.is-active:after {
  border-right: 6px solid #000 !important;
}

@media (min-width: 700px) {
  [dir] .tabs__link.is-active:after {
    border-top: 6px solid #000;
  }
}