diff --git a/docs/assets/css/src/docs.css b/docs/assets/css/src/docs.css
index 0e43d1f55c..1268c76900 100644
--- a/docs/assets/css/src/docs.css
+++ b/docs/assets/css/src/docs.css
@@ -638,6 +638,8 @@ body {
   .bs-docs-sidebar.affix {
     position: fixed; /* Undo the static from mobile first approach */
     top: 20px;
+    bottom: 0;
+    overflow-y: auto;
   }
   .bs-docs-sidebar.affix-bottom {
     position: absolute; /* Undo the static from mobile first approach */