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Isosceles Theme

No security coverage

Isosceles is a modern, lightweight Drupal theme that uses native CSS Grid for its layout without any external dependencies or frameworks. It offers 24 configurable regions, self-hosted assets, accessible markup, and an SVG icon system for flexibility and performance.

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.

View on drupal.org
Drupal 10–11

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Activity

Tracked releases
1
Tracked since
Feb 2026
Latest release
7 months ago
Releases (12 mo)
1 ▲ from 0
Maintenance
Slowing

Releases

Version Type Core PHP Release date
2.0.0 Stable 10–11 Feb 22, 2026