Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//home/puskom/mastur/wordpress/wp-includes/blocks/search/theme.css

 .wp-block-search .wp-block-search__label{
  font-weight:700;
}

.wp-block-search__button{
  border:1px solid #ccc;
  padding:.375em .625em;
}