.imgbox {
    aspect-ratio: 1/ 1;
    display: flex;
    align-items: center;
    position: relative;
}

#grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

img {
    width : 100%;
    height : 100%;
    object-fit: contain;
    object-position: center;
}

.album {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 0;
    right: 0;
}

.col {
    float: left;
    width: 33.33%;
}

.row:after {
    content: "";
    display: table;
    clear: both;
}

sup {
    font-size: 20px;
}