diff --git a/public/assets/member_css/front-style.css b/public/assets/member_css/front-style.css
index 622f818..442bdbf 100644
--- a/public/assets/member_css/front-style.css
+++ b/public/assets/member_css/front-style.css
@@ -412,9 +412,12 @@ body.cart .quantity{
     -webkit-text-size-adjust: 100%;
 }
 .quantity input[type=number]::-webkit-inner-spin-button, 
-.quantity input[type=number]::-webkit-outer-spin-button { 
+.quantity input[type=number]::-webkit-outer-spin-button{ 
   -webkit-appearance: none;   
 }
+.quantity input[type=number] { 
+    -moz-appearance:textfield; 
+}
 .quantity .plus, .quantity .minus{
     position:absolute; 
     top:0;