--- a/wp/wp-includes/js/thickbox/thickbox.css	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/js/thickbox/thickbox.css	Wed Sep 21 18:19:35 2022 +0200
@@ -136,7 +136,7 @@
 .tb-close-icon:before {
 	content: "\f158";
 	font: normal 20px/29px dashicons;
-	speak: none;
+	speak: never;
 	-webkit-font-smoothing: antialiased;
 	-moz-osx-font-smoothing: grayscale;
 }