ActiveAdmin makes it quick to build an administrative interface in Rails, but the default interface is not always the right fit for a team. The harder part is often not writing CSS. It is choosing a theme without losing track of its source, compatibility, maintenance status, or the small Rails overrides that change behavior.

This tutorial shows a reviewable way to use activeadmin-themes : treat the repository as a curated starting point, inspect the linked theme source before installing anything, and keep any local Rails override explicit. The repository is a catalog, not a theme gem or a full Rails application.

TL;DR

Clone the catalog, choose a theme whose upstream repository you can inspect, record the exact dependency and asset instructions from that upstream project, and keep custom behavior in your Rails application. If you want to suppress ActiveAdmin's default CRUD flash messages, the catalog documents a small initializer patch.…