.summ-box button.basket-coupon-button {
    width: 20%;
    height: 64px;
}

.text-field__input.basket-coupon-input {
    width:80%;
    display:block;
    float:left;
}

.basket-coupon-alert {
    background:#FF4357;
    color:#fff;
    margin:20px 0;
    padding:20px;
}

.basket-coupon-alert-section a {
    color:#fff; 
    text-decoration: underline;
}