div[lay-id="sGameDataTable"] .layui-table-main table.layui-table {
    background: url("/assets/images/watermark.png") space;
}

/*div[lay-id="sGameDataTable"] .layui-table-main table.layui-table::after {
    content: 'bq87.net';
    position: absolute;
    top: 10%;
    left: 5%;
    z-index: 1000;
    font-size: 3em;
    color: rgba(0, 0, 0, 0.1);
    transform: rotate(-45deg);
    white-space: nowrap;
    background-repeat: repeat;
}*/