[onclick*='cart.add'], [onclick*='addToCart'], button[formaction*='checkout/cart.add'], #button-cart{opacity:0;} 

/* ORY > */
/* Кнопка в листингах и карточке */
.product-thumb .btn-ntfystock,
.product-layout .btn-ntfystock,
button[onclick^="ntfystock.notify"],
a[onclick^="ntfystock.notify"]{
  background:#E65100 !important;
  border-color:#E65100 !important;
  color:#fff !important;
}

/* Кнопка в модалке */
#ntfystock_notify_submit{
  background:#E65100 !important;
  border-color:#E65100 !important;
  color:#fff !important;
}
#ntfystock_notify_submit:hover,
.btn-ntfystock:hover{ filter:brightness(.9); }
/* ORY < */