.full-screen {
  width: 100%;  
}

.square {
    width: 180px;
    height: 180px;
    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%;
}

.smaller {
    width: 100%;
}