Remove red login border on firefox

Keeps the required input text box while removing the red border

src/elements/emby-input/emby-input.css

@@ -21,6 +21,10 @@
         border: 0;
     }
 
+input:required { 
+box-shadow:none; 
+}
+
 .inputContainer {
     margin-bottom: 1.8em;
 }