To customize your website theme, you may be insterested in :

Where to find a ready-to-go Theme for my Pushword CMS ?

0 theme available for now...Thanks to Tailwind CSS and the twig template engine, it's so easy to customize the default one and has a uniq website.

If you create and package a theme, feel free to edit this file on github to list it on this page.

Developper › Tips to package a theme

It's exactly like creating an extension.