.full-screen {
  width: 100%;
}

.square {
  width: 280px;
  height: 280px;
  object-fit: cover;
  object-position: left center;
}

.background-image-example {
  background-image: url(http://wudesign.me/resources/using-images/images/shelf-cloud-vertical.jpg);
  padding: 10% 5% 45% 40%;
  background-size: cover;
  background-position: center 20%;
}

.myimg {
  width: 100%;
}