.landing-atc-with-quantity form {
    display: flex;
}
.landing-atc-with-quantity .cart .quantity {
    margin: 0 20px 0 0 !important;
}
.landing-atc-with-quantity .cart .quantity .input-text.qty {
    height: 60px;
}
@media (min-width: 768px) and (max-width: 1300px), (max-width: 600px) {
    .landing-atc-with-quantity form {
        display: block;
    }
    .landing-atc-with-quantity .cart .quantity {
        margin: 0 0 15px;
    }
}