themes-wordpress/luminance/style.css

/*
Theme Name: Luminance
Theme URI: https://wordpress.com/theme/luminance
Author: Automattic
Author URI: https://automattic.com
Description: Luminance is a bold blogging theme with opinionated typography and unique aesthetics that sets your blog apart from the crowd.
Requires at least: 6.0
Tested up to: 6.5
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
Text Domain: luminance
Tags: blog, one-column, wide-blocks, block-patterns, block-styles, featured-images, full-site-editing, rtl-language-support, threaded-comments, translation-ready
*/

/*
 * 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--primary);
	border-color: var(--wp--preset--color--primary);
	color: var(--wp--preset--color--base);
}

/*
 * Link styles
 * https://github.com/WordPress/gutenberg/issues/42319
 */
a {
	text-decoration-thickness: 0.5px !important;
	text-underline-offset: .1em;
}

/*
 * Form field styles
 * https://github.com/WordPress/gutenberg/issues/42319
 */
::placeholder {
	color: var(--wp--preset--color--contrast);
	opacity: 1; /* Firefox */
}

/*
 * Pull quote Block
 * Reset the browser default margins for blockquote element
 * https://github.com/WordPress/gutenberg/issues/44129
 */
.wp-block-pullquote blockquote,
.wp-block-pullquote p {
	margin: 0;
}

/*
 * Template Part
 * Remove blockGap from empty template parts
 */
.wp-block-template-part:empty {
	margin-top: 0;
	margin-block-start: 0;
}