Installed themes

Screenshot for CBS ExecEd Admin theme

CBS ExecEd Admin (default theme, administration theme)

Custom admin theme for CBS Executive Education
Screenshot for Bartik theme

Bartik 1.0.2

The Bartik theme from Drupal 8/9 moved to contrib.
Screenshot for Claro theme

Claro 10.5.3

A clean, accessible, and powerful Drupal administration theme.
Screenshot for Olivero theme

Olivero 10.5.3

A clean, accessible, and flexible Drupal front-end theme.
Screenshot for Seven theme

Seven 1.0.0

The Seven theme from Drupal 8/9 moved to contrib
Screenshot for Stark theme

Stark 10.5.3

An intentionally plain theme with no styling to demonstrate default Drupal’s HTML and CSS. Learn how to build a custom theme from Stark in the Theming Guide.
Administration theme
Choose "Default theme" to always use the same theme as the rest of the site.
Control which roles can "View the administration theme" on the Permissions page.