Cordero is a free theme for WordPress created by uxl.
Cordero is a WordPress theme with customizable accent color, header layout options including side header, support for the Gutenberg visual block editor and WooCommerce, block patterns including full width hero, featured services, and pricing table. Cordero also has three page templates including transparent header, a narrower Reading View post template, and schema.org SEO markup.
(Description "Cordero" Theme from wordpress.org)
You can download Cordero for free via the provided download link and include it into your themes folder of your WordPress installation. Also you can directly search for it in the WordPress admin interface in the themes section and install and activate it from there.
More information, screenshots and reviews of Cordero Theme can be found here.