@media screen and (min-width: 750px) {
  .single-image-banner .media img:nth-child(2) {
    display: none;
  }
}
.single-image-banner .media {
  font-size: 0;
}
.single-image-banner .media img {
    position: static !important;
}
@media screen and (max-width: 749px) {
  .single-image-banner .media img:nth-child(1) {
    display: none;
  }
}