WordPress/wp-content/themes/twentytwentytwo/style.css

/*
Theme Name: Twenty Twenty-Two
Theme URI: https://github.com/wordpress/twentytwentytwo/
Author: the WordPress team
Author URI: https://wordpress.org/
Description: The WordPress default theme for 2022.
Requires at least: 5.8
Tested up to: 5.9
Requires PHP: 5.6
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: twentytwentytwo
Tags: one-column, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, block-patterns, rtl-language-support, sticky-post, threaded-comments

Twenty Twenty-Two WordPress Theme, (C) 2021 WordPress.org
Twenty Twenty-Two is distributed under the terms of the GNU GPL.
*/

/*
 * Font smoothing.
 * This is a niche setting that will not be available via Global Styles.
 * https://github.com/WordPress/gutenberg/issues/35934
 */

body {
	-moz-osx-font-smoothing: grayscale;
	-webkit-font-smoothing: antialiased;
}

/*
 * Text link styles.
 * Necessary until the following issue is resolved in Gutenberg:
 * https://github.com/WordPress/gutenberg/issues/27075
 */

a {
	text-decoration-thickness: 1px;
	text-underline-offset: 0.25ch;
}

a:hover,
a:focus {
	text-decoration-style: dashed;
}

a:active {
	text-decoration: none;
}

/*
 * Search and File Block button styles.
 * Necessary until the following issues are resolved in Gutenberg:
 * https://github.com/WordPress/gutenberg/issues/36444
 * https://github.com/WordPress/gutenberg/issues/27760
 */

.wp-block-search__button,
.wp-block-file .wp-block-file__button {
	background-color: var(--wp--preset--color--primary);
	border-radius: 0;
	border: none;
	color: var(--wp--preset--color--background);
	font-size: var(--wp--preset--typography--font-size--normal);
	padding: calc(.667em + 2px) calc(1.333em + 2px);
}

.wp-block-file a.wp-block-file__button:hover {
	opacity: 1;
}