Drupal 8: Broken Web UI
Most probably caused by CSS/JS Aggreggation. Disable it by doing the following:
Can edit settings.php - add the following:
1$config['system.performance']['css']['preprocess'] = FALSE;
2$config['system.performance']['js']['preprocess'] = FALSE;
In Drupal Admin
-site-/admin/config/development/performance
Uncheck two checkboxes:
- Aggregate CSS files
- Aggregate JavaScript files