
ABOUT STABLE
------------

Stable allows core markup and styling to evolve by functioning as a backwards
compatibility layer for themes against changes to core markup and CSS. If you
browse Stable's contents, you will find copies of all the Twig templates and
CSS files provided by core in Drupal.

ABOUT DRUPAL THEMING
--------------------

For more information, see Drupal.org's theming guide.
https://www.drupal.org/docs/8/theming
