hide login-text on small screens

groups/home/LibAnswers-4-js-css.html

@@ -276,6 +276,10 @@ a.no-underline { text-decoration: none; }
         }
 }
 
+@media only screen and (max-width: 768px) {
+        #login-text { display: none; }
+}
+
 @media only screen and (min-width: 768px) {
         .zero-margin { margin: -2px; }