diff --git a/docs/_static/scrolltop.css b/docs/_static/scrolltop.css
index 12a668ca..d977a80f 100644
--- a/docs/_static/scrolltop.css
+++ b/docs/_static/scrolltop.css
@@ -1,7 +1,7 @@
 #scrollToTop {
   position: fixed;
-  top: 20px;       
-  right: 20px;       
+  top: 20px;
+  right: 20px;
   background-color: #5EABD6;
   color: white;
   border: none;
diff --git a/docs/conf.py b/docs/conf.py
index 4669b34d..26c53fd5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -62,9 +62,9 @@ html_favicon = "_static/flask-icon.svg"
 html_logo = "_static/flask-logo.svg"
 html_title = f"Flask Documentation ({version})"
 html_show_sourcelink = False
-html_static_path = ['_static']
-html_js_files = ['scrolltop.js']
-html_css_files = ['scrolltop.css']
+html_static_path = ["_static"]
+html_js_files = ["scrolltop.js"]
+html_css_files = ["scrolltop.css"]
 
 
 gettext_uuid = True