/* https://css-tricks.com/guide-responsive-friendly-css-columns/ */
.image_notes{
    -webkit-column-count: 3;
    -moz-column-count: 3;
    column-count: 3;

    -webkit-column-width: 15rem;
    -moz-column-width: 15rem;
    column-width: 15rem;

    -webkit-column-gap: 3rem;
    -moz-column-gap: 3rem;
    column-gap: 3rem;

    -webkit-column-rule: 1px dotted #ddd;
    -moz-column-rule: 1px dotted #ddd;
    column-rule: 1px dotted #ddd;
}