<style>
        .table{
        border:1px #ddd solid; border-collapse:collapse;/*设置边框 合并边框*/
        }
        .table th,.table td{
        border:1px #ddd solid; padding:15px;
        }
        .table tr:nth-of-type(even){/*隔行变色*/
        background-color:#ffffe4;
        }
    </style>