diff --git a/en/conf.py b/en/conf.py
index 8834b48..6cd37f0 100644
--- a/en/conf.py
+++ b/en/conf.py
@@ -116,6 +116,10 @@
 #html_theme_options = {
 #}
 
+# see ls ~/.venvs/envname/lib/python3.12/site-packages/pygments/styles
+#monokai, tango, friendly, lightbulb, manni, perldoc, rrt
+pygments_style = "friendly"
+
 # Add any paths that contain custom themes here, relative to this directory.
 #html_theme_path = ["../themes"]