.el-table, .el-table__expanded-cell {
        background-color: transparent!important;
    }
    
    .el-table th, .el-table tr {
       border: 0!important;
        background-color: transparent!important;
    }
    .父元素>>> .el-table,
.父元素 >>> .el-table__expanded-cell {
  background-color: transparent !important;
}

.父元素 >>> .el-table th,
.父元素>>> .el-table tr {
  border: 0 !important;
  background-color: transparent !important;
}

去掉划过的背景色父元素穿透
.父元素 >>> .el-table {
background: #dff0d8 !important;
margin-top: 10px;
margin: 0 auto;
margin-left: 20%;
}
.父元素 >>> .el-table-column {
width: 90%;
background: none;
margin: 0 auto;
}
.父元素 >>> .el-table,
.父元素 >>> .el-table__expanded-cell {
background-color: transparent !important;
}

.父元素 >>> .el-table th,
.header_time >>> .el-table tr {
border: 0 !important;
background-color: transparent !important;
}
.父元素>>>.el-table tbody tr td{
background: #dff0d8 !important;
}
.父元素 >>> .el-table tbody tr:hover > td {
background: #dff0d8 !important;
}
.父元素 >>> .el-table__header-wrapper {
background: #dff0d8 !important;
}
.父元素 >>> .el-table ，.header_time >>>.el-table__footer-wrapper tbody td {
background: #dff0d8 !important;
}
.父元素 >>> .el-table__row {
background: #dff0d8 !important;
}