diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/css/admin-bar.css
--- a/wp/wp-includes/css/admin-bar.css	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/css/admin-bar.css	Fri Sep 05 18:52:52 2025 +0200
@@ -97,6 +97,8 @@
 	min-width: 600px; /* match the min-width of the body in wp-admin/css/common.css */
 	z-index: 99999;
 	background: #1d2327;
+	/* Only visible in Windows High Contrast mode */
+	outline: 1px solid transparent;
 }
 
 #wpadminbar .ab-sub-wrapper,
@@ -195,6 +197,8 @@
 #wpadminbar.nojs li:hover > .ab-sub-wrapper,
 #wpadminbar li.hover > .ab-sub-wrapper {
 	display: block;
+	/* Only visible in Windows High Contrast mode */
+	outline: 1px solid transparent;
 }
 
 #wpadminbar .menupop li:hover > .ab-sub-wrapper,
@@ -700,7 +704,6 @@
 #wpadminbar .screen-reader-text,
 #wpadminbar .screen-reader-text span {
 	border: 0;
-	clip: rect(1px, 1px, 1px, 1px);
 	clip-path: inset(50%);
 	height: 1px;
 	margin: -1px;
@@ -793,7 +796,6 @@
 
 	#wpadminbar .ab-label {
 		border: 0;
-		clip: rect(1px, 1px, 1px, 1px);
 		clip-path: inset(50%);
 		height: 1px;
 		margin: -1px;
@@ -906,7 +908,7 @@
 	/* New Content */
 	#wpadminbar #wp-admin-bar-new-content .ab-icon:before {
 		top: 0;
-		line-height: 1.33333333;
+		line-height: 1.26;
 		height: 46px !important;
 		text-align: center;
 		width: 52px;
@@ -1010,7 +1012,6 @@
 	/* 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: -moz-fit-content;
 		min-width: fit-content;
 	}