button.wpcbn-btn.wpcbn-btn-single.wpcbn-btn-simple.single_add_to_cart_button.button.alt {
    background-color: brown !important;
}

.woocommerce div.product form.cart div.quantity {
    margin: 12px 4px 0 0;
}

.content-area .product .summary .cart .single_add_to_cart_button {
    width: 33%;
    margin: 1px;
}

.content-area .related {
  width: 63%;
  float: inherit;
  margin: 30px auto;
}