<div class="item"></div>

.item {
  width: 500px;
  max-width: 100%;
  margin: 0 auto;
  outline: 1px solid tomato;
  background-image: url(https://cdn.pixabay.com/photo/2016/02/22/10/06/hedgehog-1215140_960_720.jpg), url(https://cdn.pixabay.com/photo/2015/10/28/22/12/still-life-1011484_960_720.jpg);
  background-repeat: no-repeat, no-repeat;
  background-position-x: 0, 0;
  background-position-y: 50%, top;
  min-height: 878px;
  background-size: contain;
}