table.dataTable tbody tr>.dtfc-fixed-left,
table.dataTable tbody tr>.dtfc-fixed-right {
    background-color: rgba(0, 0, 0, 0)!important;
}

table.dataTable thead tr>.dtfc-fixed-left,
table.dataTable thead tr>.dtfc-fixed-right {
    background-color: rgba(0, 0, 0, 0)!important;
}