This project is not covered by Drupal’s security advisory policy.
Modern Drupal 10/11 theme built with native CSS Grid and zero external dependencies.
Isosceles is a flexible, lightweight contrib theme designed for modern Drupal projects.
- 24 configurable regions
- Native CSS Grid layout (no framework dependency)
- Self-hosted assets (no external CDNs)
- Accessible markup and semantic templates
- SVG icon system (no icon fonts)
Compatible with Drupal 10 and Drupal 11.
Originally created in 2018 and modernized for Drupal 10/11 in 2026.
Supporting organizations:
Project information
3 sites report using this theme- Created by oscarpc on , updated
This project is not covered by the security advisory policy.
Use at your own risk! It may have publicly disclosed vulnerabilities.
Releases
2.0.0
released 22 February 2026
Works with Drupal: ^10 || ^11
Drupal 10/11 compatible release with modernized assets and layout.
Install:
