CSS tabla con filas y columnas fijas

.table-sticky table {
table-layout: fixed;
position: relative;
}

.table-sticky th {
position: sticky;
top: 0;
}

.table-sticky th:nth-child(1) {
z-index: 1;
}

.table-sticky th:nth-child(1),
.table-sticky td:nth-child(1) {
position: sticky;
left: 0;
background-color: white;
}

.table-sticky th,
.table-sticky td {
background-color: white;
}