.langsw {
  display: flex;
  align-items: center;
  gap: 4px;
  border: 2px solid #000;
  border-radius: 10px;
  padding: 4px;
}
.langsw__btn {
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  color: #000;
  background-color: transparent;
  border: none;
  border-radius: 7px;
  padding: 7px 10px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}
.langsw__btn.is-active {
  background-color: #000;
  color: #fff;
}