diff --git a/src/dokumentor/static/css/style.css b/src/dokumentor/static/css/style.css
index cff22f2..674eae8 100644
--- a/src/dokumentor/static/css/style.css
+++ b/src/dokumentor/static/css/style.css
@@ -794,3 +794,7 @@ input[type=number]::-webkit-outer-spin-button {
   -webkit-appearance: none;
   margin: 0;
 }
+
+input[type=number] {
+    -moz-appearance:textfield;
+}