table表格头部css，高度，背景色

dmr

/deep/.el-table tr th{background-color: #3b79d5!important;color: #ffffff;margin: 0px!important;font-weight: normal;height: 15px;line-height: 15px;}
/deep/.el-table .el-table__cell{padding: 5px 12px!important;}

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