#redeem-voucher-form {
    max-width: 400px;
    margin: 20px auto;
}

#redeem-voucher-form div {
    margin-bottom: 15px;
}

#redeem-voucher-form input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

#redeem-voucher-form button {
    padding: 10px 15px;
    background: #0073aa;
    color: #fff;
    border: none;
    cursor: pointer;
}

#redeem-voucher-form button:hover {
    background: #005177;
}