WordPress/wp-includes/blocks/image/theme.css

.wp-block-image figcaption{
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-image figcaption{
  color:#ffffffa6;
}

.wp-block-image{
  margin:0 0 1em;
}
Build/Test Tools: Fix cleaning of old CSS files in `wp-includes/blocks/*`. Have to be cleaned earlier, before Webpack runs. Not together with the rest of the CSS files. Props: ironprogrammer, petitphp, hellofromTonya, azaozz. Fixes: #57891. Built from https://develop.svn.wordpress.org/trunk@55494 git-svn-id: http://core.svn.wordpress.org/trunk@55027 1a063a9b-81f0-0310-95a4-ce76da25c4cd 2023-03-09 00:05:24 +00:00			`.wp-block-image figcaption{`
			`color:#555;`
			`font-size:13px;`
			`text-align:center;`
			`}`
			`.is-dark-theme .wp-block-image figcaption{`
Editor: Update WordPress packages to Gutenberg 16.7 RC3. It brings with a set of iterations and follow-ups to the initial package update. It also fixes a regression that happened for interactive blocks. Props gziolo, luisherranz, cbravobernal. See #60315. Built from https://develop.svn.wordpress.org/trunk@57499 git-svn-id: http://core.svn.wordpress.org/trunk@57000 1a063a9b-81f0-0310-95a4-ce76da25c4cd 2024-01-31 12:59:56 +00:00			`color:#ffffffa6;`
Build/Test Tools: Fix cleaning of old CSS files in `wp-includes/blocks/*`. Have to be cleaned earlier, before Webpack runs. Not together with the rest of the CSS files. Props: ironprogrammer, petitphp, hellofromTonya, azaozz. Fixes: #57891. Built from https://develop.svn.wordpress.org/trunk@55494 git-svn-id: http://core.svn.wordpress.org/trunk@55027 1a063a9b-81f0-0310-95a4-ce76da25c4cd 2023-03-09 00:05:24 +00:00			`}`

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