#thumbnails{
    display: flex;
    flex-wrap: wrap;
    margin: calc(10/974 * 100%) calc(10/974 * 100%);
    line-height: 1;
}
#thumbnails .thumbnail {
    display: block;
    width: calc(2/12 * 100%);
}
#thumbnails .thumbnail a {
    display: block;
}