.site-header-cart,
.header-minicart,
.add_to_cart_button,
.add-to-cart,
.single_add_to_cart_button {
    display: none !important;
}
.header-container .widget_shopping_cart_content{display: none!important}

.single-product .single_add_to_cart_button,
.woocommerce-loop-product__link .add_to_cart_button {
    display: none !important;
}