.img1 {width: 250px; height: 250px; object-fit: contain;}
.img2 {width: 100%; max-width: 500px; height: 500px; object-fit: cover; object-position: right;}
.img3 {width: 100%; max-width: 500px; margin-right: 0;}
.img4 {width: 100%; height: 300px; object-fit: cover;}