> For the complete documentation index, see [llms.txt](https://docs.tebex.io/developers/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tebex.io/developers/templates/pages/layout.html.md). # layout.html There isn't any specific variables for layout.html. This page is usually extended by all other pages, providing your stores base layout structure. An example of using layout.html can be seen below: ### layout.html ```twig {% block content %}{% endblock %} {# The content of checkout.html will be shown #} ``` ### checkout.html ```twig {% extends "layout.html" %} {% block content %} Hello, world! {% endblock %} ```