diff -r 000000000000 -r 6474c204b198 layout/reftests/css-ui-invalid/input/style.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/reftests/css-ui-invalid/input/style.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+/* Override default style */
+input:-moz-ui-invalid {
+  box-shadow: none;
+}
+
+input.notinvalid {
+  background-color: green;
+}
+input.notinvalid:-moz-ui-invalid {
+  background-color: red;
+}
+
+input.invalid {
+  background-color: red;
+}
+input.invalid:-moz-ui-invalid {
+  background-color: green;
+}
+
+input[type=checkbox],
+input[type=radio] {
+  display: none;
+}