/* Remove borders */
figure.wp-block-table.alignwide table,
figure.wp-block-table.alignwide table td,
figure.wp-block-table.alignwide table th {
  border: none !important;
}

/* Make column widths work */
figure.wp-block-table.alignwide table {
  table-layout: fixed;
  width: 100%;
}

/* Two-column widths: 70% / 30% */
figure.wp-block-table.alignwide table tbody tr > td:nth-child(1),
figure.wp-block-table.alignwide table thead tr > th:nth-child(1) {
  width: 80%;
}

figure.wp-block-table.alignwide table tbody tr > td:nth-child(2),
figure.wp-block-table.alignwide table thead tr > th:nth-child(2) {
  width: 20%;
}