step006 - duplicate visually hidden class in user-card.css so it is available in the ShadowDOM

Author: Schalk Neethling

css/user-card.css

@@ -89,3 +89,14 @@
   mask-image: url("/assets/social/mastodon.svg");
   mask-size: cover;
 }
+
+.visually-hidden {
+  border: 0;
+  clip: rect(0 0 0 0);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+  width: 1px;
+}