themes-wordpress/atrium/style.css

/*
Theme Name: Atrium
Theme URI: https://themeshaper.com/atrium/
Author: Automattic
Author URI: https://automattic.com
Description: Atrium is a blog theme that presents posts in different Query Loops using tags. The perfect pick for museums or galleries.
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 5.7
Version: 1.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: atrium
Tags: education, one-column, two-columns, four-columns, wide-blocks, block-patterns, block-styles, custom-colors, custom-logo, custom-menu, editor-style, featured-images, flexible-header, full-site-editing, post-formats, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready, blog

/*
 * Control the hover stylings of outline block style.
 * Unnecessary once block styles are configurable via theme.json
 * https://github.com/WordPress/gutenberg/issues/42794
 */

/*
 * Control the hover stylings of outline block style.
 * Unnecessary once block styles are configurable via theme.json
 * https://github.com/WordPress/gutenberg/issues/42794
 */
.wp-block-button.is-style-outline>.wp-block-button__link:not(.has-background):hover {
	background-color: var(--wp--preset--color--secondary);
	color: var(--wp--preset--color--base);
	border-color: var(--wp--preset--color--secondary);
}

/*
 * Link styles
 * https://github.com/WordPress/gutenberg/issues/42319
 */
a {
	text-decoration-thickness: .0625em !important;
	text-underline-offset: .15em;
}