themes-wordpress/lois/style.css

/*
Theme Name: lois
Theme URI: https://wordpress.com/theme/lois/
Author: Automattic
Author URI: https://wordpress.org/themes/
Description: A theme in homage to George Lois, visionary American Art Director, and author. We will all miss your big ideas. Rest in Peace, George. From the Creative People of Automattic.
Requires at least: 6.1
Tested up to: 6.1
Requires PHP: 5.7
Version: 1.0.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Template: 
Text Domain: lois
Tags: two-columns, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, rtl-language-support, theme-options, threaded-comments, translation-ready, wide-blocks
*/

/*
 * 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--foreground);
	border-color: var(--wp--preset--color--secondary);
}

/**
 * Currently table styles are only available with 'wp-block-styles' 
 * theme support (block css) thus the following needs to be included
 * since 'wp-block-styles' aren't used for this theme.
 * https://github.com/WordPress/gutenberg/issues/45065
 */
.wp-block-table thead {
	border-bottom: 3px solid;
}
.wp-block-table tfoot {
	border-top: 3px solid;
}
.wp-block-table td,
.wp-block-table th {
	padding: var(--wp--preset--spacing--30);
	border: 1px solid;
	word-break: normal;
}
.wp-block-table figcaption {
	font-size: var(--wp--preset--font-size--small);
	text-align: center;
}

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