diff --git a/quartz/styles/base.scss b/quartz/styles/base.scss
index 859bb43..a7c1b45 100644
--- a/quartz/styles/base.scss
+++ b/quartz/styles/base.scss
@@ -485,6 +485,7 @@ ul.overflow,
 ol.overflow {
   max-height: 400;
   overflow-y: auto;
+  position: relative;
 
   // clearfix
   content: "";