.masonry{align-items:center;display:flex;flex-wrap:wrap;justify-content:space-between}.masonry img{padding:10px}img.half{max-width:50%}img.third{max-width:33%}img.twothirds{max-width:66%}@media and screen (max-width:450px){img.half,img.third,img.twothirds{max-width:100%}}