.cart-coupon-box {
    border: 1px solid #ececec;
    border-radius: 4px;
    padding: 14px;
    background-color: #fff;
}

.cart-coupon-box__title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 10px;
}

.cart-coupon-box__form {
    display: flex;
    gap: 8px;
}

.cart-coupon-box__form .form-control {
    flex: 1 1 auto;
}

.cart-coupon-box__applied p:last-child {
    margin-bottom: 0;
}

@media (max-width: 576px) {
    .cart-coupon-box__form {
        flex-direction: column;
    }
}