diff --git a/src/zen/split-view/zen-split-group.inc.css b/src/zen/split-view/zen-split-group.inc.css
index ae048f8e4..faf3e7229 100644
--- a/src/zen/split-view/zen-split-group.inc.css
+++ b/src/zen/split-view/zen-split-group.inc.css
@@ -6,6 +6,7 @@
 
 tab-group[split-view-group] {
   display: block;
+  position: relative;
 
   @media (prefers-reduced-motion: no-preference) {
     transition: var(--zen-tabbox-element-indent-transition);