Aligning buttons to the bottom of a row in Beaver Builder

style.css

/*
 ** Media Query - 768px or greater
 * @url http://forum.wpbeaverbuilder.com/support/q/aligning-buttons-to-the-bottom-in-a-row-of-callout-modules/
----------------------------------------------------------- */

@media (min-width: 768px) {
    .calloutrow .fl-button { /* Add 'calloutrow' class to the row */
        position: absolute;
        bottom: 0;
        margin-bottom: 20px;
    }
}