div#galleryArea{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
div.galleryItem{
    width: calc(100vw / 2 - 4px);
    height: 280px;
    border: 2px solid white;
}
img{
    object-fit: cover;
    width: 100%;
    height: 100%;
}
@media screen and (max-width:425px) {
    div.galleryItem{
        width: calc(100vw - 4px);
        height: calc((100vw - 4px)*0.75);
    }
}