.langBtn {
  margin-left: 10px;
  width: 33%;
  max-width: 150px;
  border-color: gold;
  color: gold;
  background-color: transparent;
}

.langBtn:focus {
  background-color: gold;
  color: black;
}

.bg-intro {
  --bs-bg-opacity: 1;
  background-color: black !important;
}

.img-fluid-custom {
  max-width: 100%;
  max-height: 100%;
  height: 300pt;
  display: block;
  margin-left: auto;
  margin-right: auto;
}