WordPress/wp-includes/blocks/query-pagination/editor.css

.wp-block[data-align=center]>.wp-block-query-pagination{
  justify-content:center;
}

:where(.editor-styles-wrapper) .wp-block-query-pagination{
  max-width:100%;
}
:where(.editor-styles-wrapper) .wp-block-query-pagination.block-editor-block-list__layout{
  margin:0;
}