diff --git a/css/style.css b/css/style.css
index aca929511911772e45eba5e867a940a271e916ed..f7e3e8d11de64143f6419f286f81a8f1cc4d8145 100644
--- a/css/style.css
+++ b/css/style.css
@@ -52,7 +52,7 @@ input::-webkit-inner-spin-button {
 
 /* Firefox */
 input[type="number"] {
-  -moz-appearance:textfield;
+  -moz-appearance: textfield;
   appearance: textfield;
 }