Ticket #36638: 36638.4.patch

src/wp-includes/css/editor.css

@@ -1758 +1758 @@
 }
 
 div.wp-link-preview a.wplink-url-error {
-        color: #a00;
-}
-
-div.wp-link-preview a.wplink-url-error:hover {
-        color: #f00;
+        color: #dc3232;
 }
 
 div.wp-link-input {

src/wp-includes/js/tinymce/skins/wordpress/wp-content.css

@@ -212 +212 @@
         position: relative;
 }
 
+a[data-wplink-url-error]:before {
+        content: '';
+        display: block;
+        position: absolute;
+        top: -2px;
+        right: -2px;
+        bottom: -2px;
+        left: -2px;
+        outline: 2px dotted #fff;
+        z-index: -1;
+}
+
 /**
  * WP Views
  */