diff --git a/quartz/components/styles/toc.scss b/quartz/components/styles/toc.scss
index d544d0e99..bf1bc223d 100644
--- a/quartz/components/styles/toc.scss
+++ b/quartz/components/styles/toc.scss
@@ -50,6 +50,8 @@ ul.toc-content {
   position: relative;
   margin: 0.5rem 0;
   padding: 0;
+  height: 5rem;
+  overscroll-behavior: contain;
 
   list-style: none;
   & > li > a {