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

.div {
  width: 100vw;
  height: 100vh;
  background-image: url(https://placekitten.com/g/200/300), url(https://placekitten.com/g/210/290), url(https://placekitten.com/g/190/320);
  background-repeat: no-repeat;
  background-position: top 10% center, left 100px top, bottom -120px right;
}