ManageIQ/manageiq-ui-classic

.miq_table_pdf{
    table.miq-data-table{
        thead tr {
            th {
                background: #e0e0e0 !important;
                height: auto !important;
                font-size: 0.75rem !important;
                padding: 5px !important;
            }
        }
        tbody tr {
            td {
                word-break: break-all;
                text-align: left !important;
                padding-left: 4px !important;
            }

            td.group {
                background: lightgray !important;
                font-weight: bold;
            }
            td.group_spacer {
                background: #FFF !important;
            }
        }
    } 
}