Moving add to cart button & quantity button

Site URL: https://www.j-bbeauty.fr/shop/p/slim-detox-drainer

Hello, how to move up these 2 buttons to the place shown on the screenshot ?

Thanks for your help.

Hi. What is password?

hey sorry

Password : jennyfer91

Add to Design > Custom CSS

/* product order */
div.product-quantity-input {
    order: 2 !important;
}
.ProductItem-details .sqs-add-to-cart-button-wrapper {
    order: 3 !important;
}
.ProductItem-details-excerpt {
    order: 4 !important;
}
.ProductItem-details-checkout {
    display: flex !important;
}

thanks you you are very helpful