diff --git a/style.css b/style.css
index 4881a92..eaf6eba 100644
--- a/style.css
+++ b/style.css
@@ -95,6 +95,7 @@ input[type=number]::-webkit-outer-spin-button {
 
 input[type=number] {
     -moz-appearance: textfield;
+    appearance: textfield;
 }
 
 select {