/deep/.el-table--border th.el-table__cell {
  border-bottom: 1px solid #458ACF !important;
}

/deep/.el-table--border .el-table__cell {
  border-right: 1px solid #458ACF !important;
}

/deep/.el-table--group::after,
.el-table--border::after {
  width: 0 !important;
}