Hello, @IP,
Actually, You can control the design of the shop/checkout from the theme settings >> WooCommerce >> Shop >> Product Style see the image: https://postimg.cc/hJwbrz89 for the checkout the layout by default is the same on both of the demos see the images: https://postimg.cc/BtN5YVCS and https://postimg.cc/qzyJB9Z0
Regards 8Themes Team.