themes-wordpress/shhh/style.css

/*
Theme Name: Shhh
Theme URI: https://wordpress.com/theme/shhh/
Author: Automattic
Author URI: https://automattic.com/
Description: Silence.
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 5.7
Version: 1.0.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shhh
Tags: blog, one-column, wide-blocks, block-styles, featured-images, full-site-editing, rtl-language-support, threaded-comments, translation-ready
*/

/*
* Control the hover stylings of outline block style.
*/
.wp-block-button.is-style-outline > .wp-block-button__link:not(.has-background):hover {
	background-color: var(--wp--preset--color--primary);
	border-color: var(--wp--preset--color--primary);
	color: var(--wp--preset--color--base);
}

/*
* Control the hover stylings of the pseudo element in post title block.
* For some reason, this does not work if the style is added to the theme.json.
*/
.wp-block-post-title:hover::before {
	color:var(--wp--preset--color--primary);
}