#page-product #productBuyBox .product-buy-qty .qty-stepper {
  height: 44px;
  box-sizing: border-box;
}
#page-product #productBuyBox .product-cta-actions #productBuyBtn,
#page-product #productBuyBox .product-cta-actions #productBuyNowBtn {
  height: 44px !important;
  min-height: 44px !important;
  padding: 0 8px !important;
  box-sizing: border-box;
}