diff --git a/app/boot.py b/app/boot.py
index 0f7f9d90..dee6752d 100644
--- a/app/boot.py
+++ b/app/boot.py
@@ -71,6 +71,10 @@ def boot():
         if created:
             logger.info("Created default theme")
 
+            if settings.DEFAULT_THEME_CSS:
+                default_theme.css = settings.DEFAULT_THEME_CSS
+                default_theme.save()
+
         if Setting.objects.all().count() == 0:
             s = Setting.objects.create(
                     app_name=settings.APP_NAME,
diff --git a/webodm/settings.py b/webodm/settings.py
index c15fe97d..066a1b5b 100644
--- a/webodm/settings.py
+++ b/webodm/settings.py
@@ -67,6 +67,9 @@ SINGLE_USER_MODE = False
 # URL to redirect to if there are no processing nodes when visiting the dashboard
 PROCESSING_NODES_ONBOARDING = None
 
+# Default CSS to add to theme
+DEFAULT_THEME_CSS = ''
+
 # Application definition
 
 INSTALLED_APPS = [