Bootstrap4

Bootstrap 4 based theme.

This is a very simplified Bootstrap 4 (Bootstrap 5 is ready) theme with simple configuration. It can be used out of the box or as a subtheme for creating very flexible web designs with minimal changes (just override Bootstrap 4 variables.scss and recompile css!)

Features

• Bootstrap 4 library (4.6.2)
• Bootstrap 4 style guide (view all Bootstrap 4 components on one page)
• Bootstrap 4 breakpoints
• Bootstrap 4 integration with CKEditor version 5 support
• Bootstrap 4 configuration within admin user interface
• Interface for creating subtheme
• Can be used as is (subtheme is required for template overrides)
• Drupal 10 and 11 compatible

Alternative Bootstrap themes

• Bootstrap 5: very simplified Bootstrap 5 theme with simple configuration.
• Barrio: Bootstrap 5 (and 4) based theme heavily depending on node
• Radix: Bootstrap 5 (and 4) based theme heavily depending on nodeJS
• Bootstrap: Original Bootstrap based theme (with Bootstrap 5 support).

Branches

• 3.0.x Stable branch based on Starterkit and Stable9 (Drupal 10.1+, Drupal 11.0+)
• 2.0.x Legacy branch based on Claro and Stable (Drupal 9 only)

Upgrade to branch 3.0.x

drush 12/13+ (recommended)

• Run drush updb.
• If errors already appeared, use either drush theme:uninstall claro stable and/or drush theme:install stable9 depending of what php error you'll get.

config

If using configuration synchronisation, make sure your core.extension.yml contains

theme:
  ...
  stable9: 0

instead of

theme:
  ...
  stable: 0
  classy: 0