#main {
    margin-right:6%;
}

#slot {
    width:5%;
}

#max-gallery { display:flex; flex-wrap:wrap; justify-content:space-between; }

.gallerybox { display:table; margin:1em; min-width:10vw; text-align:center;}

.gallerybox p { display:table-caption; caption-side:bottom; font-size:90%; margin:1em; text-align:left;}

.gallerybox img { box-shadow: 1px 1px 3px #222, 2px 2px 12px #999; }