diff --git a/src/_dropdown.css b/src/_dropdown.css
index 05c6e80..e16d554 100644
--- a/src/_dropdown.css
+++ b/src/_dropdown.css
@@ -8,3 +8,8 @@ details.dropdown > :last-child {
   left: 0;
   white-space: nowrap;
 }
+
+.nav-right>details.dropdown>:last-child {
+    right: 0;
+    left: auto;
+}