una/template/_layout_align_columns.html

<script>
    $(document).ready(function () {
        resizeLayoutBlocks();

        $(window).on('resize', function() {
            resizeLayoutBlocks();
        })
    });

    function resizeLayoutBlocks()
    {
        if ($(window).width() <= 720)
            return;

        var iTimeout = 500;
        var oLevelCells = function(iCellSmall, iCellLarge) {
            $('#bx-layout-cell-' + iCellSmall + ' .bx-db-container').css('min-height', $('#bx-layout-cell-' + iCellLarge + ' .bx-db-container').height());
        }

        if (1 == $('#bx-layout-cell-3 > div').length && 1 == $('#bx-layout-cell-2 > div').length) {
            var oCell2 = $('#bx-layout-cell-2 .bx-db-container');
            var oCell3 = $('#bx-layout-cell-3 .bx-db-container');

            if (oCell2.height() > oCell3.height()) {
                if(oCell2.find('form .bx-form-input-files-uploaders').length > 0)
                        setTimeout(function() {
                                oLevelCells(3, 2);
                        }, iTimeout);
                else
                        oLevelCells(3, 2);
            }
            else {
                if(oCell3.find('form .bx-form-input-files-uploaders').length > 0)
                        setTimeout(function() {
                                oLevelCells(2, 3);
                    }, iTimeout);
                else
                    oLevelCells(2, 3);
            }
        }
    }
</script>