Merge pull request #165 from jarettgross/hide-firefox-spinners

hid spinners for number input in firefox

css/stylesheet.css

@@ -539,6 +539,10 @@ pre {
     }
 }
 
+input[type="number"] {
+    -moz-appearance: textfield;
+}
+
 input[type=number]::-webkit-inner-spin-button,
 input[type=number]::-webkit-outer-spin-button {
     -webkit-appearance: none;