@wordpress/block-library/build-style/query-pagination-numbers/editor.css

Block library for the WordPress editor.

.wp-block-query-pagination-numbers a {
  text-decoration: underline;
}
.wp-block-query-pagination-numbers .page-numbers {
  margin-right: 2px;
}
.wp-block-query-pagination-numbers .page-numbers:last-child {
  /*rtl:ignore*/
  margin-right: 0;
}