diff --git a/doc/_static/.gitignore b/doc/_static/.gitignore
new file mode 100644
index 0000000..556df42
--- /dev/null
+++ b/doc/_static/.gitignore
@@ -0,0 +1 @@
+# nothing
diff --git a/doc/conf.py b/doc/conf.py
index fcdcf21..345da12 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -113,7 +113,7 @@ todo_include_todos = True
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'classic'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the