.product-quantity,
#quantity_wanted_p {
    display: none !important;
}

.add-to-cart {
    display: none !important;
}

.js-ajax-cart,
.shipping-cost-estimate,
#module-estimate-shipping-cost,
.estimateshippingcost,
.blockshipping {
    display: none !important;
}

.product-reassurance,
#product-reassurance,
.blockreassurance {
    display: none !important;
}