.container{-moz-column-count:3;column-count:3;-moz-column-gap:20px;column-gap:20px}.container img{width:100%;display:block;margin-bottom:20px}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center}.modal-content{background-color:#fff;padding:20px;border-radius:8px;max-width:60%;max-height:80%;overflow:auto}.modal-content img{width:100%;height:auto}@media (max-width:1200px){.container{-moz-column-count:3;column-count:3}}@media (max-width:900px){.container{-moz-column-count:2;column-count:2}}@media (max-width:600px){.container{-moz-column-count:1;column-count:1}}