table.dataTable thead tr > .dtfc-fixed-left,
table.dataTable thead tr > .dtfc-fixed-right,
table.dataTable tfoot tr > .dtfc-fixed-left,
table.dataTable tfoot tr > .dtfc-fixed-right {
    top: 0;
    bottom: 0;
    z-index: 3;
    background-color: aliceblue;
}

table.dataTable tbody tr > .dtfc-fixed-left,
table.dataTable tbody tr > .dtfc-fixed-right {
    z-index: 9;
    background-color: white;
}

div.dtfc-left-top-blocker,
div.dtfc-right-top-blocker {
    background-color: white;
}

html.dark table.dataTable thead tr > .dtfc-fixed-left,
html.dark table.dataTable thead tr > .dtfc-fixed-right,
html.dark table.dataTable tfoot tr > .dtfc-fixed-left,
html.dark table.dataTable tfoot tr > .dtfc-fixed-right {
    background-color: var(--dt-html-background);
}

html.dark table.dataTable tbody tr > .dtfc-fixed-left,
html.dark table.dataTable tbody tr > .dtfc-fixed-right {
    background-color: var(--dt-html-background);
}

html.dark div.dtfc-left-top-blocker,
html.dark div.dtfc-right-top-blocker {
    background-color: var(--dt-html-background);
}