.fade-enter-active,
.fade-leave-active {
    transition: opacity 0.5s ease;
}
.fade-enter-from,
.fade-leave-to {
    opacity: 0;
}
.coupon-box-input {
    display: flex;
    gap: 10px;
}
.coupon-box-input > input {
    flex: 1;
}

@media screen and (max-width: 767px) {
    .coupon-box-input {
        flex-direction: column;
    }
}