table.showtable {
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    border-collapse:collapse;
    FONT-SIZE: 14px; FONT-FAMILY: Arial, Helvetica, sans-serif;
    border-bottom:1px solid #dedede;/* 表格横线 */
    padding:29px;
    text-align: center;
}

th.showtable,tr,td.showtable{ 
    border-bottom:1px solid #dedede;/* 表格横线 */
    padding:29px;
    text-align: left;
}