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/audio/

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

 .wp-block-audio figcaption{
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-audio figcaption{
  color:hsla(0,0%,100%,.65);
}

.wp-block-audio{
  margin:0 0 1em;
}