How do i delete this option from my product page

[BreathBlaster]

https://breathblastermy.myshopify.com/products/breath-blaster-smelling-salt

Hi

Can anyone help me please. Looking answer everywhere. How do i delete the quantity option in my product page (can refer image below).

password: newtse

[Mr_RaviRaj]

@BreathBlaster

.product-form__input.product-form__quantity {
    display: none !important;
}

Add tis code in the bottom of the section-main-product.css or base.css file