una/template/_layout_align_columns.html

<script>
    $(document).ready(function () {
    	var iTimeout = 500;
    	var oLevelCells = function(iCellSmall, iCellLarge) {
            $('#bx-layout-cell-' + iCellSmall + ' .bx-db-container').css('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>