/* Banner principal */
.banner-principal {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #eaeaea;
}
.banner-principal img {
  width: 100%;
  height: 408px;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .banner-principal img {
    height: 260px;
  }
}

@media (max-width: 600px) {
  .banner-principal img {
    height: 160px;
  }
}