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Inheritance in subtheme
13/04/2025, by Ivan
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- Understanding Drupal
- Drupal System Requirements
- Installing Drupal 8
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Theming in Drupal
- Define a theme using file .info.yml
- Theme folder structure in Drupal
- Adding a region in theme
- Add CSS and JavaScript (JS) in Drupal theme
- Twig in Drupal
- Subthemes
- Subtheme: Using Classy as a Base Theme
- Classy themes css selectors
- Including Default Image Styles with Your Theme
- Include template
- Using attributes in templates
- Preprocessing and modifying attributes in the .theme file
- Working with Breakpoints in Drupal 8
- Creating Advanced Theme Settings
- Theme Differences Between Drupal 6, 7, and 8
- Updating Classes from 7.x to 8.x
- Inheritance in subtheme
- Creating Automation Tools for Custom Themes (Gulp.js)
- Instructions for converting Drupal Twig (tpl.php to html.twig)
- Z-index in Drupal
- Upgrade to Drupal 11
In the previous section, we explored how a sub-theme is created along with the inheritance of various properties.
The list below summarizes the inheritance properties:
| Property | Inherited | Notes |
| CSS | Yes | |
| JS | Yes | |
| Templates | Yes | |
| Screenshot | Yes | |
| Regions | No | https://www.drupal.org/node/2165673 |
| Features | No | |
| Theme Settings | Yes | |
| Core Version | No | |
| Logo | No | |
| Favicon | No | |
| Color module support | No | |
| Block placement and block templates | Yes, with additional steps | https://www.drupal.org/node/2165673 |
| Breakpoints (via themename.breakpoints.yml) | <TBD> | |
| Libraries (via themename.libraries.yml) | Yes |