.banner-responsivo {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.banner-responsivo a {
  display: block;
}

.banner-responsivo img {
  width: 100%;
  height: auto;
  display: block;
}

.banner-responsivo .placeholder-svg {
  width: 100%;
  height: 300px;
  background: #f0f0f0;
}