themes-wordpress/rainfall/style.css

/*
Theme Name: Rainfall
Theme URI: TBD
Author: Automattic
Author URI: https://automattic.com
Description: TBD
Requires at least: 5.8
Tested up to: 5.9
Requires PHP: 5.7
Version: 0.0.3
License: GNU General Public License v2 or later
License URI: https://raw.githubusercontent.com/Automattic/themes/trunk/LICENSE
Template:
Text Domain: rainfall
Tags: one-column, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, rtl-language-support, theme-options, threaded-comments, translation-ready, wide-blocks
*/

.wp-block-post-title:not(.editor-post-title) {
	margin-left: 1ch;
	text-indent: -1ch;
}

.wp-block-post-comments-form input:not([type=submit],[type=checkbox]),
.wp-block-post-comments-form textarea,
.wp-block-post-comments-form select {
	background-color: var(--wp--preset--color--black);
	color: var(--wp--preset--color--black);
	border: 1px solid var(--wp--preset--color--white);
}

/**
 * Styles for the search page input
 */
.has-black-background-color .wp-block-search__input {
	background-color: var(--wp--preset--color--black);
	color: 1px solid var(--wp--preset--color--white);
}

/*
 * Font smoothing
 */

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

/*
 * Alignment styles, borrowed from Twenty Twenty-Two.
 * These rules are temporary, and should not be relied on or
 * modified too heavily by themes or plugins that build on
 * Twenty Twenty-Two. These are meant to be a precursor to
 * a global solution provided by the Block Editor.
 *
 * Relevant issues:
 * https://github.com/WordPress/gutenberg/issues/35607
 * https://github.com/WordPress/gutenberg/issues/35884
 */

.wp-site-blocks,
body > .is-root-container,
.edit-post-visual-editor__post-title-wrapper,
.wp-block-group.alignfull,
.wp-block-group.has-background,
.wp-block-columns.alignfull.has-background,
.wp-block-cover.alignfull,
.is-root-container .wp-block[data-align='full'] > .wp-block-group,
.is-root-container .wp-block[data-align='full'] > .wp-block-columns.has-background,
.is-root-container .wp-block[data-align='full'] > .wp-block-cover {
	padding-left: var(--wp--style--block-gap);
	padding-right: var(--wp--style--block-gap);
}

.wp-site-blocks .alignfull,
.wp-site-blocks > .wp-block-group.has-background,
.wp-site-blocks > .wp-block-cover,
.wp-site-blocks > .wp-block-template-part > .wp-block-group.has-background,
.wp-site-blocks > .wp-block-template-part > .wp-block-cover,
body > .is-root-container > .wp-block-cover,
body > .is-root-container > .wp-block-template-part > .wp-block-group.has-background,
body > .is-root-container > .wp-block-template-part > .wp-block-cover,
.is-root-container .wp-block[data-align='full'] {
	margin-left: calc(-1 * var(--wp--style--block-gap)) !important;
	margin-right: calc(-1 * var(--wp--style--block-gap)) !important;
	max-width: unset;
	width: unset;
}

/* Blocks inside columns don't have negative margins. */
.wp-site-blocks .wp-block-columns .wp-block-column .alignfull,
.is-root-container .wp-block-columns .wp-block-column .wp-block[data-align="full"],
/* We also want to avoid stacking negative margins. */
.wp-site-blocks .alignfull:not(.wp-block-group) .alignfull,
.is-root-container .wp-block[data-align="full"] > *:not(.wp-block-group) .wp-block[data-align="full"] {
	margin-left: auto !important;
	margin-right: auto !important;
	width: inherit;
}