themes-wordpress/dos/style.css

/*
Theme Name: DOS
Theme URI: https://github.com/Automattic/themes/tree/trunk/dos
Author: Automattic
Author URI: https://automattic.com/
Description: DOS is a blog theme designed for the nostalgic ones, a tribute to the folks that invented computing as we know it today. Let us blog as if we were back to green (or amber) phosphor back again.
Requires at least: 6.1
Tested up to: 6.2
Requires PHP: 5.7
Version: 1.0.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Template: 
Text Domain: dos
Tags: blog, news, one-column, wide-blocks, accessibility-ready, block-patterns, custom-colors, custom-header, custom-logo, custom-menu, editor-style, featured-images, flexible-header, full-site-editing, rtl-language-support, style-variations, template-editing, theme-options, threaded-comments, translation-ready, computing, seventies, eighties, amber-phosphor, green-phosphor, blinking, dos, msdos, mono, monotype, asciiart
*/

/*
 * 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--background);
	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;
}