themes-wordpress/cookbook/style.css

/*
Theme Name: Cookbook
Theme URI: https://themeshaper.com/cookbook/
Author: the Automattic
Author URI: https://automattic.com
Description: Cookbook is a versatile theme designed to cater to various content creators. It explores the Query Loop element in a very particular way, with zero spacings and block strokes.
Requires at least: 6.0
Tested up to: 6.4.3
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: cookbook
Tags: food-and-drink, two-columns, four-columns, wide-blocks, accessibility-ready, block-patterns, block-styles, custom-colors, custom-header, custom-logo, custom-menu, editor-style, featured-images, flexible-header, footer-widgets, full-site-editing, full-width-template, post-formats, rtl-language-support, style-variations, template-editing, theme-options, threaded-comments, translation-ready, cuisine, cooking, recipes, cookbook, query-loop, diverse-image-formats, image-formats, collection, recipe-book
*/

/*
 * 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;
}