diff --git a/src/wp-includes/css/admin-bar.css b/src/wp-includes/css/admin-bar.css
index 5f07a42e98..f28443a08f 100644
--- a/src/wp-includes/css/admin-bar.css
+++ b/src/wp-includes/css/admin-bar.css
@@ -907,6 +907,17 @@
 	#wpadminbar li {
 		display: none;
 	}
+	
+	/* Allow dropdown list items to appear normally */
+	#wpadminbar li:hover ul li {
+		display: list-item;
+	}
+	
+	/* Override default min-width so dropdown lists aren't stretched
+		to 100% viewport width at responsive sizes. */
+	#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper {
+		min-width: intrinsic;
+	}
 
 	#wpadminbar li#wp-admin-bar-menu-toggle,
 	#wpadminbar li#wp-admin-bar-wp-logo,