#gallery{margin-top:2%;display:flex;justify-content:space-between;flex-wrap:wrap;width:100%}#gallery .thumbnail{width:32%;height:32%;margin-bottom:2%;cursor:pointer}.thumbnail{border:1px solid #c8c8c8}@media (max-width:40rem){#gallery{margin-top:4%}#gallery .thumbnail{width:48%;height:48%;margin-bottom:4%}}@media (max-width:30rem){#gallery{margin-top:4%}#gallery .thumbnail{width:100%;height:100%;margin-bottom:4%}}