style.css

/*
Theme Name: Calvin
Theme URI: https://wordpress.com/theme/calvin
Author: Automattic
Author URI: https://automattic.com/
Description: Calvin is a minimalist theme, designed for single-page websites.
Requires at least: 5.8
Tested up to: 5.8
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: blockbase
Text Domain: calvin
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, auto-loading-homepage

Calvin WordPress Theme, (C) 2021 Automattic
Calvin is distributed under the terms of the GNU GPL.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

Calvin uses the following third-party resources:

Blossoming Cherry on a Moonlit Night (ca. 1932) by Ohara Koson (1877–1945). Original from the Los Angeles County Museum of Art. 
Digitally enhanced by rawpixel.
Source: https://www.rawpixel.com/image/2439637/free-illustration-image-moon-japanese-art
Used in theme screenshot and demo site.
*/