1、 去除el-tabs的底部灰色横线
::v-deep .el-tabs__nav-wrap::after {height: 0px;}
2、el-table设置表头颜色
<el-table:data="tableData":header-cell-style="{background:'#F7F8FA',color:'#4E5869'}"><el-table-columnlabel="序号"type="index"width="50"></el-table-column><el-table/>
