diff --git a/templates/base_authenticated.html b/templates/base_authenticated.html
index 55fa9c4..7dc18ca 100644
--- a/templates/base_authenticated.html
+++ b/templates/base_authenticated.html
@@ -9,6 +9,11 @@
   <!-- Main CSS -->
   <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}" />
 
+  <!-- Theme Override (set THEME_NAME in .env to activate, e.g. THEME_NAME=gov) -->
+  {% if THEME_NAME %}
+  <link rel="stylesheet" href="{{ url_for('static', filename='css/theme-' + THEME_NAME + '.css') }}" />
+  {% endif %}
+
   <!-- Font Awesome -->
   <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet" />