.discount-box {
    padding: 20px 40px;
    background: #f5f5f5;
}

.discount-box .form-inline {
    clear: both;
}
.discount-box .form-inline .form-group {
    display: inline;
}

.discount-box .btn-apply-coupon {
    padding: 3px 10px;
}

.discount-box input {
    line-height: 3vh;
    font-size: inherit;
    text-indent: 11px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

/* discount display */
.pht-billing .applied-discount {
    display: flex;
    justify-content: space-between;
    background: #efefef;
    padding: 1vh 2vh;
    border-top: 1px solid #ddd;
}