1 files changed, 14 insertions, 0 deletions
diff --git a/layout/reftests/bugs/423599-1.html b/layout/reftests/bugs/423599-1.html
new file mode 100644
index 0000000000..5023878964
--- /dev/null
+++ b/layout/reftests/bugs/423599-1.html
@@ -0,0 +1,14 @@
+<html>
+  <head><style>
+    select          { visibility: hidden; }
+    select.unthemed { -moz-appearance: none; margin: 2px 0 2px 0}
+  </style></head>
+  <body>
+    <div style="background: lightblue">
+      <select class="unthemed"></select><!--
+        No space here to make this more robust
+        in the face of different default fonts 
+      --><select></select>
+    </div>
+  </body>
+</html>