diff --git a/doc/templates/bootstrap/static/custom.css b/doc/_static/custom.css
similarity index 100%
rename from doc/templates/bootstrap/static/custom.css
rename to doc/_static/custom.css
diff --git a/doc/conf.py b/doc/conf.py
index c1c95135c2..3cc298ea95 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -188,7 +188,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-# html_static_path = ['_static']
+html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.